| Rhodia Operations Patent applications |
| Patent application number | Title | Published |
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| 20130132020 | METHOD AND FACILITY, USING TRANSFER BETWEEN A GAS AND A LIQUID, FOR PREDETERMINING AT LEAST ONE CONVERSION PARAMETER - Said method for predetermining at least one conversion parameter uses at least one transfer between a liquid phase and a gas phase, wherein: a gas phase is injected into a liquid phase so as to form a heterogeneous flow including a series of bubbles, formed from the gas phase, within the liquid phase; said heterogeneous flow is caused to occur within a flow member so as to carry out at least one transfer between the liquid and gas phases; the decrease in the volume of the bubbles is observed along said flow member; and said at least one parameter is derived therefrom. | 05-23-2013 |
| 20130131381 | METHOD FOR PRODUCING POLYAMIDE - A process for the manufacture of polyamide is described. Also described, is a process comprising a stage of initial polymerization under pressure starting from monomers and a stage of finishing in the liquid phase at atmospheric pressure. The finishing stage can employ an injection of inert gas along a direction essentially parallel to that of the flow of the liquid reaction stream. | 05-23-2013 |
| 20130131375 | PROCESS FOR PREPARING DIFLUOROACETIC ACID, SALTS THEREOF OR ESTERS THEREOF - A process for preparing difluoroacetic acid, salts thereof or esters thereof is described. The process can further include preparation of difluoroacetic acid, salts thereof or esters thereof, wherein the reaction occurs in the presence of water of a salt providing a fluoride anion and of monohalogenated or dihalogenated acetic acid, in acid, salified or esterified form, at least one halogen atom being other than the fluorine atom. | 05-23-2013 |
| 20130131269 | HIGH-VISCOSITY POLYAMIDE COMPOSITION - A high-viscosity polyamide composition including a branched polyamide is described. Also described, is a relationship between a high-viscosity polyamide composition and a composition including a copolyamide of a statistical tree type resulting from a reaction between a multifunctional monomer including at least three reactive functions in order to form an amide function. Further described, are three reactive functions of two different types and bifunctional monomers used in the manufacture of linear polyamides. A resulting copolyamide can have a very low melt flow index relative to the linear polyamide and improved impact resistance properties. Lastly, use of such a composition for extrusion blow-molding articles is described. | 05-23-2013 |
| 20130129647 | Compositions Having Hase Rheology Modifiers - A monomer compound that contains at least one polymerizable functional group per molecule, and at least one bicycloheptyl-, bicycloheptenyl-, or branched (C | 05-23-2013 |
| 20130123542 | POLYAMINE AND METHOD FOR PRODUCING THEREOF - A method for producing a polyamine is described that provides excellent safety, a lot of flexibility regarding a variety of its productions, and that can produce a polyamine of high-molecular weight easily and inexpensively. | 05-16-2013 |
| 20130123104 | Adjuvant Compositions, Agricultural Pesticide Compositions, and Methods for Making and Using Such Compositions - An agricultural adjuvant composition includes (a) one or more first nonionic surfactants selected from the group consisting of fatty acid glycol ester surfactants, polyalkoxylated triglyceride surfactants, alkoxylated fatty alcohol surfactants, and sorbitan fatty acid ester surfactants, (b) at least one of: (b)(i) one or more second nonionic surfactants selected from the group consisting of polyalkoxylated alkylphenol surfactants, polyalkoxylated alkarylphenol surfactants, amine oxide surfactants, alkanolamide surfactants, glycoside surfactants, and ethylene/propylene block copolymers, and (b)(ii) one or more anionic components selected from the group consisting of anionic surfactants and polyanionic polymers, (c) optionally, a liquid medium comprising one or more fatty acid (C | 05-16-2013 |
| 20130122705 | ABRASIVE COMPOSITIONS FOR CHEMICAL POLISHING AND METHODS FOR USING SAME - A colloidal dispersion for chemical mechanical polishing comprising: (a) an abrasive component; and (b) from about 0.05% to about 10% by weight of the abrasive component, a water-soluble amphoteric polymer comprising at least one macromolecular chain B and a part A bonded to a single end of the at least one macromolecular chain B, wherein the macromolecular chain B is derived from one or more ethylenically unsaturated monomers having quaternary ammonium groups or inium groups, and wherein the part A is a polymeric or nonpolymeric group comprising at least one anionic group; wherein the dispersion has a pH of between about 1.5 and about 6. The colloidal dispersion is capable of polishing a substrate comprising silicon nitride and silicon oxide with a reverse selectivity ratio of at least about 27, typically at least 50 the reverse selectivity ratio being the ratio of the rate of removal of the silicon nitride to the rate of removal of the silicon oxide. | 05-16-2013 |
| 20130115836 | COMPOSITE POLYAMIDE ARTICLE - The use of a polyamide modified by hydroxyl aromatic compounds used to impregnate reinforcement materials assuming the form of industrial fabric cloth for manufacturing composite materials is described. Also described, is a composite material produced and a method by which the composite material is produced. Further, the method by which the composite material is produced can include: | 05-09-2013 |
| 20130101854 | Process for the Treatment of a Hydrophobic Surface by an Aqueous Phase - The invention relates to process for the treatment of a hydrophobic surface by a liquid film comprising an aqueous phase comprising the coating of said surface by the liquid whose aqueous phase comprises an effective amount of an agent of modification of the properties of surface and an active agent. | 04-25-2013 |
| 20130099161 | CORE/SHELL LANTHANUM CERIUM TERBIUM PHOSPHATE, AND PHOSPHOR HAVING IMPROVED THERMAL STABILITY AND INCLUDING SAID PHOSPHATE - A phosphate particle with a mean diameter of from 1.5 μm to 15 μm, which has an inorganic core and a shell that covers the inorganic core uniformly over a thickness of no less than 300 nm, is described. The shell can have a lanthanum cerium terbium phosphate of formula La | 04-25-2013 |
| 20130072616 | HEAT/LIGHT-STABILIZED POLYAMIDE COMPOSITIONS - Heat and light-stabilized polyamide compositions containing a stabilization system that includes copper oxide and KBr, and have an excellent preservation of color and of the mechanical properties thereof after exposure to heat or to light; these compositions are especially useful for producing shaped articles in the automotive field. | 03-21-2013 |
| 20130066097 | PROCESS FOR PREPARING AN ORTHO-SUBSTITUTED 5-HALOPHENOL AND A SYNTHESIS INTERMEDIATE THEREOF - A process for preparing a 5-halophenol, ortho-substituted by an electron-donating group, is described. Also described, is a process for preparing a sulphonic ester of an ortho-substituted phenol, which is the synthesis intermediate for the ortho-substituted 5-halophenol. The process for preparing a phenol ortho-substituted by an electron-donating group and protected in the form of a sulphonic ester can include reacting a phenol ortho-substituted by an electron-donating group with a sulphonylating agent in the presence of a Lewis acid. The process for preparing a 5-halophenol ortho-substituted by an electron-donating group can include a first step of preparing a phenol ortho-substituted by an electron-donating group and protected in the form of a sulphonic ester, as described above; a second step of halogenating the protected phenol intermediate obtained in the preceding step, in the position para to the electron-donating group; and a third step of deprotecting the sulphonic ester function to hydroxyl. | 03-14-2013 |
| 20130058376 | METHOD AND DEVICE FOR CHARACTERIZING SOLID MATERIALS, AND METHOD AND INSTALLATION FOR DETERMINING A THERMODYNAMIC CHARACTERISTIC OF PROBE MOLECULES - The invention proposes an improvement in the characterization of solid materials, by making it easier to be implemented while obtaining reliable and accurate results. According to the method in accordance with the invention;
| 03-07-2013 |
| 20130053580 | ORGANOPHOSPHORUS COMPOUNDS, CATALYTIC SYSTEMS COMPRISING SAID COMPOUNDS AND METHOD OF HYDROCYANATION USING SAID CATALYTIC SYSTEMS - The present invention relates to organophosphorus compounds belonging to the phosphinite-phosphite family, catalytic systems comprising a metallic element forming a complex with said phosphinite-phosphite compounds and methods of hydrocyanation employed in the presence of said catalytic systems. | 02-28-2013 |
| 20130052108 | COMPOSITION CONTAINING OXIDES OF ZIRCONIUM, CERIUM AND ANOTHER RARE EARTH HAVING REDUCED MAXIMUM REDUCIBILITY TEMPERATURE, A PROCESS FOR PREPARATION AND USE THEREOF IN THE FIELD OF CATALYSIS - A composition is described that includes oxides of zirconium, cerium and another rare earth different from cerium, having a cerium oxide content not exceeding 50 wt % and, after calcination at 1000° C. for 6 hours, a maximal reducibility temperature not exceeding 500° C. and a specific surface of at least 45 m | 02-28-2013 |
| 20130046115 | PROCESS FOR THE PRODUCTION OF AN ALKYL HYDROPEROXIDE - A method for preparing an alkyl hydroperoxide obtained by the oxidation of a saturated hydrocarbon using oxygen, preferably of a saturated cyclic hydrocarbon, is described. Also described, is a method for preparing cyclohexyl hydroperoxide by oxidizing cyclohexane with molecular oxygen or a gas containing molecular oxygen preferably in the absence of a catalyst. | 02-21-2013 |
| 20130039381 | METHOD AND EQUIPMENT FOR CHARACTERIZING THE SURFACE OF SOLID MATERIALS - The aim of the invention is to improve the surface characterization of solid materials, facilitating the implementation thereof, while producing reliable and accurate results. The method of the invention comprises the following steps:
| 02-14-2013 |
| 20130037265 | Method for the Assisted Recovery of Hydrocarbons in Fractured Reservoirs - The invention relates to a method for recovering oil from a fractured reservoir having an oil-wettable matrix and comprising at least one injection well and one production well, both of which arc in communication with the fractures and the matrix, wherein the method comprises the following steps in the following order: a) during a first stage, the injection, by an injection well, of a solution of viscosity-enhancing surfactants, capable of penetrating into the array of fractures, having limited interaction with the matrix, and creating a plug in situ so as to substantially and selectively reduce the perviousness of the fractures and to promote the passage of the solution of step b) into the matrix; b) during a second stage, the injection, by an injection well, of a solution of surfactants, capable of interacting with the matrix in order to make same preferably water-wettable and to extract the oil therefrom, said solution preferably flowing through the matrix; and after a latency period of at least 24 hours, c) during a third stage, the injection, by an injection well, of an aqueous solution with a view to increasing the surface tension, impregnating the matrix and, after the plug formed in step a) is dissolved by said oil, driving the oil toward the production well. | 02-14-2013 |
| 20130036668 | WETTABLE, NON-LEACHABLE PEAT MOSS, METHOD OF PREPARATION, AND METHOD OF USE - A peat moss composition having improved water holding capacity, hydrophilicity, and/or anti-leaching properties comprising one or more polysaccharides, for example guars and/or guar derivatives, is disclosed. A method of preparing the peat moss composition and a method of using it are also disclosed. | 02-14-2013 |
| 20120328500 | HIGHLY ACIDIC COMPOSITIONS COMPRISING ZIRCONIUM AND SILICON OXIDES AND AN OXIDE OF AT LEAST ONE OTHER ELEMENT SELECTED FROM AMONG TITANIUM, ALUMINUM, TUNGSTEN, MOLYBDENUM, CERIUM, IRON, TIN, ZINC, AND MANGANESE - Compositions useful for treating the exhaust gases of diesel engines contain zirconium oxide, silicon oxide and at least one oxide of at least one element M selected from among titanium, aluminum, tungsten, molybdenum, cerium, iron, tin, zinc, and manganese, in the following mass proportions of these different elements: silicon oxide: 5%-30%; M-element oxide: 1%-20%; the balance being zirconium oxide; such compositions also have an acidity, as measured by the methylbutynol test, of at least 90% and are prepared by placing a zirconium compound, a silicon compound, at least one M-element compound and a basic compound in a liquid medium, thereby generating a precipitate, maturing the precipitate in a liquid medium and separating and calcining the precipitate. | 12-27-2012 |
| 20120316261 | POLYAMIDE COMPOSITION WITH LOW THERMAL CONDUCTIVITY - A polyamide composition that can be used in different transformation methods and, in particular, for the production of an extrusion profile having a low thermal conductivity, is described. One such composition includes, in particular, glass beads. Also described is a composition, preferably a moulding composition, e.g., in the form of granules or powder, that can be used to produce items by means of injection molding. | 12-13-2012 |
| 20120310012 | METHOD FOR PREPARING A DEPEROXIDATION CATALYST - A process for preparing a deperoxidation catalyst comprising chromium as the main catalytic element is described. Also described, is a process for preparing an organic solution of a chromic acid ester. The solution can be used as a catalyst in a deperoxidation of an alkyl peroxide in a process for manufacturing cyclohexanol/cyclohexanone by oxidation of cyclohexane. | 12-06-2012 |
| 20120289652 | SUPRAMOLECULAR POLYMERS AND COMPOSITIONS CONTAINING SAID POLYMERS - Supramolecular polymers having repeat units connected by hydrogen bonds, where the repeat units are monomers, macromers, oligomers or polymers where at least one on the monomers contains at least one 2,5-diketopiperazine group are described. Composition prepared from these supramolecular polymers and articles produced from these compositions are also described. | 11-15-2012 |
| 20120289436 | METHODS FOR CONTROLLING DEPOLYMERIZATION OF POLYMER COMPOSITIONS - A method of controlling or arresting the rate of depolymerization of a polymer composition during a biocide treatment, and use of such methods in oilfield and industrial applications. Also disclosed are methods of preparing a visco-stable application fluid containing a biocide in an amount effective to reduce bacteria count, as well as additive compositions capable of reducing bacteria count in application fluids while maintaining viscosity in such fluids. Also disclosed are methods of preparing biocide-containing application fluids with improved friction reducing properties, as well as related compositions. | 11-15-2012 |
| 20120285694 | ENHANCED FOAM STABILITY APPLICATIONS AND METHODS - A method for enhancing foam stability in foaming compositions for use in oilfield treatment application, including but not limited to use in mobility control for gas flooding. The method comprises the step of adding to a foaming composition a foam stabilizer of formula (I): | 11-15-2012 |
| 20120283482 | PROCESS FOR PREPARING ALKYL HYDROPEROXIDE COMPOUNDS - A method for making alkyl hydroperoxide compounds, specifically the preparation of cyclohexyl hydroperoxide is described. The preparation of cyclohexyl hydroperoxide by means of the oxidation of cyclohexane by oxygen in a multi-stage reactor or in reactors connected in series is also described. In these methods, the reactor surfaces in contact with the oxidation medium can be protected by a layer of heat-resistant PFA polymer. | 11-08-2012 |
| 20120276391 | FIRE-RETARDANT POLYAMIDE CAST ITEM INCLUDING AN INTUMESCENT COATING - Fire-retardant polyamide cast items including an intumescent coating are described. The case items can have excellent fire-retardant properties and can include at least one fire-retardant system in the polyamide matrix. The items can also have an intumescent coating on at least one surface. | 11-01-2012 |
| 20120264982 | METHOD FOR SEPARATING SALIFIED PHENOLIC COMPOUNDS - A method for separating a salified phenolic compound from a reaction medium including same is described. Also described, is a method for separating salified phenolic compounds from an aqueous reaction medium resulting from the reaction of a phenolic compound and glyoxylic acid in the presence of a base, which leads to a reaction medium including at least the excess of the starting salified phenolic compound and the various salified mandelic compounds resulting from the reaction, wherein the reaction medium including the starting salified phenolic compound is contacted with an adsorbent substrate. This leads to the selective adsorption of the phenolic compound onto said substrate and to the recovery of an aqueous flow containing the salified mandelic compounds from the reaction, and in that the phenolic compound attached onto the adsorbent is desorbed by means of a regenerating treatment of the adsorbent. | 10-18-2012 |
| 20120264864 | MODIFIED POLYAMIDE COMPOSITION CONTAINING AT LEAST ONE PHENOLIC COMPOUND - The use of a phenolic compound for producing a modified polyamide having enhanced mechanical properties is described. A polyamide composition including at least such phenolic compound and optionally reinforcing or filler loads is also described. The composition is preferably a composition for molding, for example in the form of granules or powder, that can be used for the production of articles by injection-molding. | 10-18-2012 |
| 20120263638 | NOVEL METHOD FOR PREPARING PRECIPITATED SILICA - The invention relates to a method for preparing precipitated silica, consisting in: (i) forming a starter having a pH of between 2 and 5; (ii) simultaneously adding silicate and acid, such that the pH of the reaction medium is between 2 and 5; (iii) adding silicate until the pH is between 7 and 10; (iv) simultaneously adding silicate and acid, such that the pH is between 7 and 10; (v) adding acid until the pH is between 2.5 and 5.3; (vi) bringing the reaction medium into contact with the acid and the silicate, such that the pH is between 2.5 and 5.3; and (vii) adding silicate, such as to increase the pH to a value between 4.7 and 6.3. | 10-18-2012 |
| 20120252073 | METHOD AND COMPOSITION FOR TREATING STUBBLE - A method of decomposing stubble, which is crop residue left on the ground, and a composition for treating the stubble are disclosed. The method comprises treating the stubble with the composition comprising a) polysaccharide-degrading enzyme; b) wetting agent; and, optionally, c) water and allowing the treated stubble to remain on the ground and decompose. | 10-04-2012 |
| 20120245282 | HIGH-FLOW POLYAMIDES - A polyamide modified by a multi-functional compound, and a method for producing said polyamide and compositions comprising same are described. A method for the production of a polyamide comprising linear macromolecular chains and star-shaped macromolecular chains is also described. A resulting polyamide having optimal mechanical and rheological properties in order to (i) improve mould filling speed and quality, and (ii) produce moldable compositions with high filler contents is also described. | 09-27-2012 |
| 20120241672 | COMPOSITION COMPRISING A CERIUM AND/OR TERBIUM PHOSPHATE AND SODIUM, OF CORE/SHELL TYPE, PHOSPHOR RESULTING FROM THIS COMPOSITION AND METHODS FOR PREPARING SAME - The composition of the invention is of the type comprising particles formed by a mineral core and a shell that covers the mineral core uniformly, said shell being based on a phosphate of cerium and/or of terbium, optionally with lanthanum. The composition is characterized in that it contains sodium at a concentration of at most 7000 ppm. The phosphor of the invention is obtained by calcination of the composition at at least 1000 DEG C. | 09-27-2012 |
| 20120238527 | ORGANOPHOSPHORUS DERIVATIVES AND USE THEREOF AS UNCOUPLING AGENTS - The present invention relates to an organophosphonium derivative of the mean general formula (1), where n is a number comprised between 4 and 20, preferably between 5 and 10, m is a number between 0 and 10, preferably between 0 and 1, and Y is an anion. | 09-20-2012 |
| 20120238164 | COMPOSITE POLYAMIDE ARTICLE - The use of polyamide modified by hydroxyaromatic compounds employed in the impregnation of reinforcing materials taking the form of a cloth of industrial fabrics for the manufacture of composite materials is described. The described use relates to composite materials and of their manufacturing processes. Also described, is a process for the manufacture of a composite article including at least: a) a stage of impregnation of a reinforcing cloth with a polyamide composition in the molten state, where the polyamide includes hydroxyaromatic units chemically bonded to the polyamide chain; and b) a stage of cooling and subsequently recovering the composite article. | 09-20-2012 |
| 20120225233 | USE OF A SPECIFIC FUNCTIONALISED ORGANOSILICON COMPOUND AS A COUPLING AGENT IN AN ISOPRENE ELASTOMER COMPOSITION INCLUDING A REINFORCING INORGANIC FILLER - The use of a functionalized organosilicon compound as a coupling agent between an inorganic filler and an elastomer in an elastomer composition including an isoprene elastomer and a reinforcing inorganic filler is disclosed. The compound is selected among functionalized organosilicon compounds including at least one double bond C═C or C═N, and not including any C═C—C═O bonds or N═N bonds, and reacting with the isoprene units according to an electrocyclic reaction, in particular according to a standard cycloaddition reaction [2+1], [2+2], [3+2] or a Diels-Alder reaction [4+2] or an ene-synthesis reaction other than an ene-synthesis reaction between an isoprene unit and a C═C—C═O or N═N function. Also described, are elastomer composition(s) obtained and items manufactured using such compositions. | 09-06-2012 |
| 20120220798 | METHOD FOR CARBOXYLIC ACID ESTERIFICATION - The present invention relates to a method for esterification from alcohols and carboxylic acids using a heterogeneous catalyst, wherein the esterification reaction is performed at high temperatures enabling an improvement in the compromise between selectivity, conversion, and kinetics in various types of devices for implementing the method. | 08-30-2012 |
| 20120220454 | SEED COATINGS, COATING COMPOSITIONS AND METHODS FOR USE - Coating compositions and methods of use, allowing for improved water and/or nutrient usage by seeds, plants, shrubs, and vegetation, among others, are disclosed. | 08-30-2012 |
| 20120220003 | METHOD FOR CONTINUOUSLY SEPARATING ORGANIC MATERIALS OF INTEREST FROM FERMENTATION - A method for continuously separating organic materials of interest from fermentation, in particular lactic or alcoholic fermentation, by flash evaporation is described. The method can make it possible to avoid inhibiting the fermentation reaction and to obtain high yields and productivity. | 08-30-2012 |
| 20120215031 | Process for making polyglycerol ethers of fatty alcohols - Disclosed are processes relating to the production of polyglycerol ethers of fatty alcohols, in particular, one step process using fatty alcohol and glycerine to synthesize polyglycerides of fatty alcohols will provide a 100% renewable surfactant that is cost effective efficient and CMR free. The synthetic methods mentioned in prior art uses hazardous chemicals as glycidyl ethers, epichlorohydrin that are listed as CMR and known carcinogens and hazardous to handle. | 08-23-2012 |
| 20120213722 | Combined Stable Cationic And Anionic Surfactant Compositions - Aqueous free-flowing surfactant compositions having non-Newtonian shear thinning properties are disclosed. These stable compositions include both cationic and anionic surfactants and can suspend water-insoluble particles or partially insoluble components. | 08-23-2012 |
| 20120202729 | GRAFFITI-CLEANING COMPOSITION - The present invention relates to a composition for cleaning graffiti, including a diester compound and surfactants. | 08-09-2012 |
| 20120197039 | METHOD FOR PREPARING TRIFLUOROMETHANESULPHINIC ACID - The present invention relates to a method for preparing a highly pure trifluoromethanesulphinic acid. The method of the invention for preparing a highly pure trifluoromethanesulphinic acid, starting from an aqueous mixture comprising a trifluoromethanesulphinic acid salt, a trifluoroacetic acid salt and saline impurities resulting from the method for preparing same, is characterized in that said mixture is subjected to the following operations:- acidification such that the trifluoroacetic acid salt and the triflinic acid salt are released in an acid form,- separation of the trifluoroacetic acid and trifluoromethanesulphinic acid by distillation enabling the trifluoroacetic acid to be recovered at the top of the distillation and the trifluoromethanesulphinic acid to be recovered at the bottom of the distillation,- separation by distillation of the trifluoromethanesulphinic acid present in the distillation residue previously obtained. | 08-02-2012 |
| 20120196783 | PERSONAL CLEANSING SYSTEMS EXHIBITING LOW EYE IRRITATION POTENTIAL - An ethylene oxide-free, dioxane-free, and formaldehyde-free personal care concentrate composition free of ethoxylated components which is non-irritating to eyes comprising water, sodium alkyl sulfate, propanediol, and a synthetic amphoteric surfactant selected from the group consisting of cocamidopropyl hydroxysultaine and cocamidopropyl betaine is disclosed. This composition is especially suitable for baby shampoos which are not irritating. In some embodiments the composition is free of formaldehyde. | 08-02-2012 |
| 20120192823 | SYNERGISTIC DETERGENT AND ACTIVE METAL COMPOUND COMBINATION - Compositions that include a detergent composition and an active metal compound are described wherein the detergent composition includes a quaternary ammonium salt detergent and optionally an oxygen-containing detergent, and wherein the active metal compound is in the form of a colloidal dispersion, comprising an organic phase, particles of an iron compound in its amorphous form, and at least one amphiphilic agent. These compositions can be used in fuels to provide improved engine performance by, for example, reducing fuel injector fouling in the engine and/or by improving the regeneration of the engine's particulate exhaust trap. | 08-02-2012 |
| 20120190892 | PROCESS FOR THE PREPARATION OF A HALOGENOACETYL FLUORIDE AND ITS DERIVATIVES - The present invention relates to a method for preparing a halogenoacetyl fluoride and the derivatives thereof. The inventive method for preparing a halogenoacetyl fluoride acid is characterised in that said method includes: a step of preparing a halogenoacetyl halide by photo-oxidation of a halogenoethylene compound in conditions such that the transformation rate of the halogenoethylene compound into halogenoacetyl halide is no higher than 80%, producing a reaction mixture essentially including halogenoacetyl halide and the excess halogenoethylene compound; a step of partial fluorination of the mixture obtained by reacting the latter with hydrofluoric acid suitable for obtaining a mixture of halogenoacetyl fluoride and the excess halogenoethylene compound; a step of separating the halogenoacetyl fluoride and the excess halogenoethylene compound. The invention can be used, specifically, for preparing the trichloroacetyl fluoride used as an intermediate species in the production of trifluoroacetic acid. | 07-26-2012 |
| 20120190884 | METHOD FOR PREPARING DIFLUOROACETIC ACID ESTERS - A method for preparing difluoroacetic acid esters is described. The method can include reacting difluoroacetyl fluorine with an aliphatic or cycloaliphatic alcohol in the presence of a heterogeneous mineral base. | 07-26-2012 |
| 20120189517 | COMPOSITION COMPRISING CERIUM OXIDE AND ZIRCONIUM OXIDE HAVING A SPECIFIC POROSITY, PREPARATION METHOD THEREOF AND USE OF SAME IN CATALYSIS - A composition including cerium and zirconium oxides, including at least 30 wt.-% cerium oxide is desired. Following calcination at a temperature of 900 DEG C. for 4 hours, the composition has two populations of pores, the diameters of the first population being centered around a value of between 5 nm and 15 nm for a composition including 30% to 65% cerium oxide or between 10 nm and 20 nm for more than 65% cerium oxide and the diameter of the second population being centered around a value of between 45 nm and 65 nm for 30% to 65% cerium oxide or between 60 nm and 100 nm for more than 65% cerium oxide. | 07-26-2012 |
| 20120183590 | Cosmetic Composition Comprising An Ampholytic Copolymer - The present invention relates to novel cosmetic compositions, more particularly for treating the skin or the hair, comprising an ampholytic artificial copolymer. The invention also relates to the use of the polymer in cosmetic compositions. The polymer comprises units derived from a polycationic monomer and units derived from a monomer of acidic nature. | 07-19-2012 |
| 20120177922 | POLYAMIDE COMPOSITION - The use of a polyamide including hydroxyaromatic units in order to increase the acid resistance of a polyamide composition is described. A polyamide composition comprising a polyamide that includes hydroxyaromatic units and use thereof for the manufacture of various plastic articles such as, for example, calibrated particles or injection-molded parts is also described. Such a composition is especially useful in the field of the recovery of slurries, liquids and gases present in underground reservoirs, and in particular in the field of the extraction of hydrocarbons, such as crude oil or natural gas. | 07-12-2012 |
| 20120177818 | PROTECTIVE BIODEGRADABLE COATINGS AND METHODS FOR USE - A composition utilized to prevent the deposit of overspray, the composition comprising, based on the total weight of the composition, (a) from about 1% to about 60% by weight a blend of dibasic esters; (b) from about 10% to about 75% by weight one or more surfactants; and (c) a thickener, and methods for use. The dibasic esters are be derived from a blend of adipic, glutaric, and succinic diacids, and, in one particular embodiment, the blend comprises dialkyl methylglutarate and at least one of dialkyl adipate and dialkyl ethylsuccinate, wherein the alkyl groups individually comprise a C | 07-12-2012 |
| 20120177709 | LOW PH STRUCTURED SURFACTANT COMPOSITION - An aqueous, low pH structured surfactant composition, contains, based on 100 parts by weight of the composition, from about 3 parts by weight to about 40 parts by weight of one or more anionic surfactants selected from anionic phosphate ester surfactants, anionic sulfonate surfactants, and anionic carboxylate surfactants, wherein the composition exhibits a pH of less than about 5, exhibits shear-thinning viscosity, and is capable of suspending water insoluble or partially water soluble components. | 07-12-2012 |
| 20120172538 | MODIFIED POLYAMIDE, PREPARATION METHOD THEREOF AND ARTICLE OBTAINED FROM SAID POLYAMIDE - A polyamide modified by a compound including a sulfonate group, as well as a method for preparing the polyamide and to articles obtained from said modified polyamide are described. A modified polyamide obtained from a mono-functional aromatic sulfonate compound is also described. | 07-05-2012 |
| 20120172521 | MODIFIED POLYAMIDE COMPOSITION - A sulfonated aliphatic or aromatic compound for the production of a modified polyamide that can significantly increase the glass transition temperature of the polyamide is described. A polyamide composition including at least: one polyamide modified by a sulfonated compound, the compound being chemically bonded to the polymer chain of the polyamide; and reinforcing or filling agents is also described. The composition can be a composition to be molded, for example, in the form of granules or powder, to be used in the production of articles using an injection molding method. | 07-05-2012 |
| 20120149626 | Dibasic esters utilized as terpene co-solvents, substitutes and/or carriers in tar sand/bitumen/asphaltene cleaning applications - A heavy oil cleaning composition comprising: a) a blend of dibasic esters comprising dialkyl methylglutarate and at least one of a dialkyl adipate or dialkyl ethylsuccinate; b) at least one terpene; and c) at least one surfactant. Also described are methods for delivering a solvent at reduced concentration comprising the steps of: a) obtaining a terpene-based solvent; and b) mixing the terpene-based solvent with a carrier fluid (the carrier fluid comprising a microemulsion of i) a blend of dibasic esters selected from the group consisting of dialkyl methylglutarate, dialkyl adipate, dialkyl ethylsuccinate, dialkyl succinate, dialkyl glutarate and any combination thereof, ii) at least one surfactant selected from the group consisting of a terpene alkoxylate, an alcohol alkoxylate and any combination thereof; and iii) water) in order to obtain a mixture to clean heavy oils. | 06-14-2012 |
| 20120138913 | Electrically conductive nanostructures, method for making such nanostructures, electrically conductive polumer films containing such nanostructures, and electronic devices containing such films - A polymer film that contains a mixture of (i) an electrically conductive polymer, and (ii) anisotropic electrically conductive nanostructures, is disclosed, as well as a polymer composition that contains (a) a liquid carrier, (b) an electrically conductive polymer dissolved or dispersed in the liquid carrier, and (c) anisotropic electrically conductive nanostructures dispersed in the liquid carrier, and a method for making polymer film, that includes the steps of: (1) forming a layer of a polymer composition that contains (a) a liquid carrier, (b) one or more electrically conductive polymers dissolved or dispersed in the liquid carrier, and (c) anisotropic electrically conductive nanostructures dispersed in the liquid carrier, and (2) removing the liquid carrier from the layer. | 06-07-2012 |
| 20120136103 | THERMOPLASTIC POLYMER COMPOSITION CONTAINING POLYAMIDE - The invention relates to a thermoplastic polymer composition that contains polyamide and comprises an excellent compromise of properties, in particular mechanical properties, and a high fluidity at the molten state. The invention particularly relates to a composition containing at least a high-fluidity linear polyamide and optionally fillers such as glass fibres, and to a method for making such a composition. | 05-31-2012 |
| 20120130065 | Guar process monitoring methods - Disclosed are methods relating to monitoring the processing of polysaccharides and, in particular, monitoring the processing of guar in order to improve guar yield and/or lower impurity concentration in the wash effluent fluid. | 05-24-2012 |
| 20120129756 | Dilutable cleaning compositions and methods for use - An environmentally-friendly, low VOC cleaning composition for industrial and consumer applications comprising (a) a blend of dibasic esters, (b) one or more nonionic surfactants (c) and, optionally, (d) water or a solvent. The dibasic esters are be derived from a blend of adipic, glutaric, and succinic diacids, and, in one particular embodiment, the blend comprises dialkyl adipate, dialkyl methylglutarate and dialkyl ethylsuccinate, wherein the alkyl groups individually comprise a C | 05-24-2012 |
| 20120129690 | Porous inorganic composite oxide - A porous inorganic composite oxide containing oxides of aluminum and of cerium and/or zirconium, and, optionally, oxides of one or more dopants selected from transition metals, rare earths, and mixtures thereof, and having a specific surface area, in m | 05-24-2012 |
| 20120123159 | METHOD FOR PREPARING DIFLUOROACETIC ACID - A method for preparing difluoroacetic acid is described. The method can include: reacting a difluoroacetic acid ester with an aliphatic carboxylic acid which, after transesterification, results in the formation of difluoroacetic acid and the corresponding carboxylic acid ester, the carboxylic acid being selected such that the ester of the carboxylic acid has a lower boiling point than that of difluoroacetic acid; and removing the ester of the carboxylic acid by distillation as the ester forms, thus enabling the difluoroacetic acid to be recovered. | 05-17-2012 |
| 20120123149 | Composition having hase rheology modifiers - A monomer compound that contains at least one polymerizable functional group per molecule, and at least one bicycloheptyl-, bicycloheptenyl-, or branched (C | 05-17-2012 |
| 20120123041 | HIGH-VISCOSITY POLYAMIDE - A polyamide, a method for manufacturing the polyamide and compositions that include the polymer are described. A high-viscosity polyamide obtained by the polymerization of diacid and diamine monomers in the presence of multifunctional and, optionally, monofunctional compounds are also described. The polyamide can be used in particular for the production of compositions intended, for example, for being molded or blown. | 05-17-2012 |
| 20120122688 | Agricultural pesticide compositions - A composition contains an agricultural pesticide and an incompletely hydrated water soluble polymer suspended in a liquid medium. | 05-17-2012 |
| 20120122671 | Alumina catalyst support - The present invention is directed to a high surface area, high pore volume porous alumina, comprising: aluminum oxide, optionally, silicon oxide and aluminosilicates, and optionally one or more dopants, said alumina having a specific surface area of from about 100 to about 500 square meters per gram and a total pore volume after calcination at 900° C. for 2 hours of greater than or equal to 1.2 cubic centimeters per gram, wherein less than or equal to 15% of the total pore volume is contributed by pores having a diameter of less than 10 nm. | 05-17-2012 |
| 20120122670 | Sulfur tolerant alumina catalyst support - The present invention is directed to a method for making a sulfur tolerant alumina, that includes the steps of: forming aluminum hydrate from one or more water soluble aluminum salts, said salts each comprising an aluminum cation or aluminum anion and an oppositely charged counterion, in an aqueous medium, contacting the aluminum hydrate with a silica precursor in the aqueous medium and in the presence of counterions of the one or more aluminum salts, isolating silica precursor-contacted aluminum hydrate particles from the aqueous medium, and calcining the silica precursor-contacted aluminum hydrate particles to form particles of the sulfur tolerant alumina. | 05-17-2012 |
| 20120122361 | Treatment of Textile Materials - The invention provides a method for the treatment of textile material having a threat face and a rear face, so as to obtain a treated material that is flame retardant but also provides protection from molten metal splash on the threat face, the method comprising: a) providing a textile material that comprises cotton and/or wool, and that has a weight of 250g/m | 05-17-2012 |
| 20120121523 | Compositions having hase rheology modifiers - A monomer compound that contains at least one polymerizable functional group per molecule, and at least one bicycloheptyl-, bicycloheptenyl-, or branched (C | 05-17-2012 |
| 20120116040 | Compositions having HASE rheology modifiers - A monomer compound that contains at least one polymerizable functional group per molecule, and at least one bicycloheptyl-, bicycloheptenyl-, or branched (C | 05-10-2012 |
| 20120116005 | Compositions having hase rheology modifiers - A monomer compound that contains at least one polymerizable functional group per molecule, and at least one bicycloheptyl-, bicycloheptenyl-, or branched (C | 05-10-2012 |
| 20120111562 | Viscoelastic Composition With Improved Viscosity - The present invention relates to a method for the assisted recovery of crude oil from an underground formation, comprising: a) injecting, via at least one injection means in contact with the underground formation containing the crude oil, a liquid containing a mixture of at least: i) a salty aqueous medium, ii) a mixture of two zwitterionic viscosising surfactants or a mixture of two populations of said surfactants having a bimodal characteristic of the narrow distribution of Ri groups as defined below, in a weight content of between 1 and 0.05 wt %, preferably between 0.5 and 0.1 wt %, and more preferably between 0.4 and 0.15 wt %, such that the liquid has an oil/water interface tension of about 10 mN/m (milinewton per meter) or less as measured at room temperature (25° C.) and a viscosity of about 3 cPs or more as measured at a temperature of 80° C. for a shearing gradient of 10 s | 05-10-2012 |
| 20120108836 | METHOD FOR PREPARING FLUOROALKANESULPHINIC ACID ESTERS - A method for preparing fluoroalkanesulphinic acid esters is described. The preparation of esters of trifluoromethanesulphinic acid, commonly referred to as “triflinic acid,” is also described. A method for preparing a fluoroalkanesulphinic acid ester is also described wherein the method includes reacting a fluoroalkanesulphinic acid with an organic carbonate leading to the formation of a fluoroalkanesulphinic acid ester and carbon dioxide, which is removed during the reaction. | 05-03-2012 |
| 20120095212 | PROCESS FOR PREPARING LACTAMS - A method for preparing lactams by cyclizing hydrolysis of a corresponding aminonitrile is described. A method for manufacturing a lactam by reacting an aminonitrile with water in the presence of a catalyst involving placing the water and the aminonitrile in contact in vapor phase, passing the mixture of vapors through a bed of catalyst arranged in at least one tube forming a reaction chamber and recovering the lactam at the outlet of the tube is also described. | 04-19-2012 |
| 20120095145 | LOW VOC COALESCING AGENTS - A coalescent composition for coating compositions such as paints, adhesives, and coatings comprising a blend of dibasic esters, specifically (i) esters of adipic, glutaric, and/or succinic diacids and/or (ii) esters of isomers of adipic acid have advantages, including efficiency and low VOC. | 04-19-2012 |
| 20120094392 | DETERMINATION OF AT LEAST ONE PARAMETER OF A PHYSICAL AND/OR CHEMICAL TRANSFORMATION - Physico-chemical systems subject to transformation are flowed in a flow member, while maintaining the external periphery of the wall of such flow member at one and the same temperature, with the exception of a display zone, at least between two remote points along said member; at least one spatial distribution of the temperature of the physico-chemical system along this display zone is displayed, in particular comprising an infrared camera, and the or each parameter is determined therefrom utilizing the or each spatial temperature distribution. | 04-19-2012 |
| 20120094125 | PREPARATION OF PRECIPITATED SILICA FROM SODIUM METABISULFITE OR SODIUM SULFITE - A method for preparing precipitated silica includes the reaction of sodium metabisulfite or sodium sulfite with sand, wherein a) sand is mixed with sodium metabisulfite or sodium sulfite; b) the mixture thus obtained is melted to produce solid sodium silicate and sulfurous anhydride; c) the solid sodium silicate is dissolved in water to provide a sodium silicate aqueous solution, d) the sulfurous anhydride is reacted with the sodium silicate aqueous solution to provide a mixture containing precipitated silica; and e) the precipitated silica is separated from said mixture. | 04-19-2012 |
| 20120088873 | POLYAMIDE MATERIAL HAVING HIGH FLUID BARRIER PROPERTIES - Polyamide materials having high barrier properties to fluids, gases and liquids are described. These materials can especially be used for the manufacture of articles intended to contain or to transport a fluid such as, for example, pipes, ducts or tanks. | 04-12-2012 |
| 20120085534 | Viscoelastic composition with improved stability - The present invention relates to a method for the enhanced recovery of oil from an underground formation, in which a viscoelastic aqueous fluid comprising at least one viscosifying zwitterionic surfactant is injected into the said formation and the said fluid is conducted through this formation in order to displace the oil from the formation and to recover it via a different point from that where the viscoelastic aqueous fluid was introduced, characterized in that the said fluid exhibits an amount of a base sufficient to bring its pH to a value of greater than 10, preferably of between approximately 11 and 13. | 04-12-2012 |
| 20120077928 | Polymerization using a diallylamine and a compound comprising a macromolecular chain comprising units derived from this amine - Compounds containing macromolecular chains and having a structured architecture are prepared by polymerization of macromolecular monomers containing diallylamine structural units. | 03-29-2012 |
| 20120070351 | METHOD FOR RECOVERING RARE-EARTH ELEMENTS FROM A SOLID MIXTURE CONTAINING A HALOPHOSPHATE AND A COMPOUND OF ONE OR MORE RARE-EARTH ELEMENTS - A method is described for recovering rare earth elements from a solid mixture including a halophosphate and at least one compound of one or more rare earth elements. The method includes: (a) acid etching the mixture; (b) adding a base to bring the pH back up to a value of at least 1.5; (c) etching the solid from step (b) with a solution of soda or potash; (d) acid etching the solid from step (c) until a pH of less than 7 is obtained, resulting in a solid phase and a liquid phase including at least one rare earth salt, and separating the solid phase from the liquid phase. | 03-22-2012 |
| 20120065282 | METHOD FOR PREPARING POLYAMIDE FOAM AND FOAM CAPABLE OF BEING PRODUCED BY SAID METHOD - A method for preparing polyamide foam is described. Polyamide foam produced according to the method is also described. A method including heating a composition including at least one polyamide and at least one polyurethane, and stabilizing the resulting cellular structure is also described. Use of a composition including at least one polyamide and at least one polyurethane for preparing polyamide foam is also described. | 03-15-2012 |
| 20120059196 | METHOD FOR PREPARING A TERPENYLCYCLOHEXANOL - A method for preparing a terpenylcyclohexanol using a terpenylphenol is described. A method for preparing a terpenylcyclohexanol by hydrogenation of a terpenylphenol is also described wherein the method includes hydrogenating the latter in a liquid phase, in the presence of a Raney nickel catalyst including residual aluminium and doped with a mixture of iron and chromium. | 03-08-2012 |
| 20120046439 | PROCESS FOR THE MANUFACTURE OF A SOLUTION OF SALTS OF DIACIDS/DIAMINE(S) - A method for manufacturing a solution of a diacid and diamine salt for manufacturing polyamide is described. A method for manufacturing an aqueous solution of diacid and diamine salts produced by mixing at least two diacids and at least one diamine, with a weight concentration of salt between 40% and 70%, including, in a first step, preparing an aqueous solution of diacid(s) and diamine(s) with a diacid/diamine mole ratio of less than 1 using one diacid and one diamine, and in a second step, adjusting the mole ratio of diacids/diamine(s) to a value of between 0.9 and 1.1, and fixing the weight concentration of salt by adding another diacid and, optionally, additional water and/or diamine is also described. | 02-23-2012 |
| 20120046438 | POLYAMIDE MANUFACTURING PROCESS - A method for making polyamide is described. More particularly, a method for making a polyamide from at least one diacid and one diamine, that includes a step of concentrating an aqueous solution of diacid and diamine salt up to a salt weight concentration higher than 85%, and a polymerization step up to a desired polymerization degree is described. | 02-23-2012 |
| 20120046248 | STABILIZED BIOCIDAL COMPOSITION - The current invention relates to a process for stabilising a phosphorus-containing compound aqueous composition, comprising the step of adding to said composition an efficient arsenic stabilizing amount of a compound selected from the group consisting of ammonia, ammonium salt, organic amino acid, peptide and polypeptide; application of the stabilized composition for treating an aqueous system optionally containing or in contact with metal sulphide scale, which method comprises adding to said system, separately or together, an efficient anti-scale amount of a stabilized aqueous composition or for treating a water system to kill or inhibit the growth of micro organisms comprising applying thereto or forming in situ an efficient inhibiting amount of the stabilized aqueous composition. | 02-23-2012 |
| 20120046212 | STRIPPING COMPOSITION - A stripping composition that includes a dicarboxylic acid diester is described. The composition is useful and particularly efficient for stripping paint. | 02-23-2012 |
| 20120046163 | COMPOSITION INCLUDING A LANTHANUM PEROVSKITE ON AN ALUMINA OR ALUMINIUM OXYHYDROXIDE SUBSTRATE, PREPARATION METHOD AND USE IN CATALYSIS - A composition is described that includes a perovskite of the formula LaMO | 02-23-2012 |
| 20120043530 | Polymer compositions, polymer films, polymer gels, polymer foams, and electronic devices containing such films, gels and foams - A polymer film, polymer gel, and polymer foam each contain an electrically conductive polymer and an ionic liquid and are each useful as a component of an electronic device. | 02-23-2012 |
| 20120040833 | Agricultural pesticide compositions - A pesticide composition contains, based on 100 parts by weight (“pbw”) of the composition: (a) from about 15 to about 65 pbw of one or more pesticide compounds, (b) from greater than 0 to about 10 pbw of one or more fatty acid (C | 02-16-2012 |
| 20120040832 | HERBICIDAL COMPOSITION COMPRISING AN AMINOPHOSPHATE OR AMINOPHOSPHONATE SALT AND AN N-ALKYL-PYRROLIDONE SOLVENT - The present invention relates to herbicidal compositions comprising an aminophosphate or aminophosphonate salt, for example to herbicidal compositions comprising an aminophosphate or aminophosphonate potassium salt. Preferred compositions of the invention have a high amount and the aminophosphate or aminophosphonate salt. The invention also relates to compositions of matter (or blend) that are especially useful ingredients for preparing the compositions comprising the aminophosphate or aminophosphonate salt. In particular, these ingredients are a surfactant such as an amine oxide surfactant, and an organic solvent comprising an N-alkylpyrrolidone wherein the alkyl group comprises at least 2 carbon atoms. | 02-16-2012 |
| 20120035397 | PROCESS FOR THE HYDROXYLATION OF PHENOLS AND OF PHENOL ETHERS - A process for the hydroxylation of phenols and of phenol ethers by hydrogen peroxide is described. More particularly a process for the hydroxylation of phenol by hydrogen peroxide is described. The described process can include hydroxylation of a phenol or of a phenol ether having at least one hydrogen atom at the ortho and para position of the hydroxyl group or of the ether group, by reaction of said phenol or phenol ether, with hydrogen peroxide, in the presence of an acid catalyst, wherein the reaction is carried out in the presence of an effective amount of a catalyst which is a mixture of at least two strong acids and wherein one of the acids is chosen from strong protonic acids and the other acid is chosen from superacids. | 02-09-2012 |
| 20120035377 | ORGANOPHOSPHORUS COMPOUNDS, CATALYTIC SYSTEMS COMPRISING SAID COMPOUNDS AND METHOD OF HYDROCYANATION OR OF HYDROFORMYLATION USING SAID CATALYTIC SYSTEMS - Organophosphorus compounds, catalytic systems comprising a metallic element forming a complex with the organophosphorus compounds and methods of hydrocyanation and of hydroformylation employed in the presence of the catalytic systems are described. | 02-09-2012 |
| 20120032113 | EUROPIUM, AND YTTRIUM OXIDE OR GADOLINIUM OXIDE CORE/SHELL COMPOSITION, PHOSPHOR INCLUDING SAID COMPOSITION, AND METHODS FOR PREPARING SAME - A composition including an inorganic core and a europium and yttrium oxide or gadolinium shell uniformly covering the inorganic core at a thickness greater than or equal to 300 nm is described. A phosphor including the composition is also described. In addition a process of forming the composition by: forming a suspension including the inorganic core with pH of 8 to 11; adding a solution including a europium salt and yttrium or gadolinium salt to the suspension and maintaining the pH of the reaction medium at a constant value; and separating the formed solid and calcining the same to a temperature of at most 1000° C. is described. | 02-09-2012 |
| 20120029138 | Anti-settling composition and methods for use - An anti-settling additive, compositions containing anti-settling additives and methods for use, the additive containing a monomer or polymer compound that contains at least one polymerizable functional group per molecule, and at least one bicycloheptyl-, bicycloheptenyl-, or branched (C | 02-02-2012 |
| 20120029092 | PRODUCT CONTAINING DIAMIDES, METHOD FOR MAKING SAME AND USES THEREOF - The product comprises at least two diamide compounds selected from the diamide compounds of following formulae (Ia), (Ib), and (Ic): | 02-02-2012 |
| 20120025137 | CORE/SHELL LANTHANUM CERIUM TERBIUM PHOSPHATE, PHOSPHOR CONTAINING SAID PHOSPHATE, AND PREPARATION METHODS - A phosphate containing particles including a mineral core and a lanthanum cerium terbium phosphate shell uniformly coating the mineral core with a thickness greater than or equal to 300 nm is described. The particles can have a mean diameter between 3 μm and 6 μm and the lanthanum cerium terbium phosphate can have the following general formula (1): La | 02-02-2012 |
| 20120021025 | AQUEOUS COMPOSITION SUITABLE AS SHAMPOO - The present invention concerns aqueous compositions that are suitable as shampoos. The composition comprises an oil and provides an interesting hair treatment, especially an interesting hair treatment targeting damaged hair. | 01-26-2012 |
| 20110306789 | PROCESS FOR THE MANUFACTURE OF ADIPIC ACID - A process for the manufacture of adipic acid carried out in devices made of material resistant to the corrosion of the synthesis medium is described. A process for the manufacture of adipic acid carried out in devices, some of which are made of a material resistant to corrosion by nitric acid, is also described. The corrosion-resistant material can be a “duplex” austenoferritic stainless steel of X2 CrNiN 23-4 (1.4362) type, according to the European nomenclature. | 12-15-2011 |
| 20110300093 | COSMETIC COMPOSITION CONTAINING AN AMPHIPHILIC ZWITTERIONIC COPOLYMER - The present invention relates to a cosmetic composition that includes an amphiphilic zwitterionic copolymer. The amphiphilic zwitterionic copolymer can particularly be used for imparting rheological properties, in particular a beneficial texture, to said composition and/or to the foam resulting from said composition. | 12-08-2011 |
| 20110293918 | PRODUCING AN ITEM BY THE SELECTIVE FUSION OF POLYMER POWDER LAYERS - A method for manufacturing items by the selective fusion of polymer powder layers, particularly rapid prototyping by solid phase sintering a thermoplastic polymer powder by means of a laser, having characteristics of grading and particle distribution is described. Items obtained from such a method are also described. | 12-01-2011 |
| 20110293498 | METHOD FOR TREATING A GAS TO REDUCE THE CARBON DIOXIDE CONTENT THEREOF - The invention relates to a method for reducing the CO | 12-01-2011 |
| 20110288327 | PROCESS FOR THE MANUFACTURE OF COMPOUNDS COMPRISING NITRILE FUNCTIONAL GROUPS - A method for producing compounds including at least one nitrile function by the hydrocyanation of a compound including at least one non-conjugated unsaturation is described. A method for producing compounds including at least one nitrile function by the hydrocyanation of an organic compound including at least one non-conjugated unsaturation including 2 to 20 carbon atoms by reacting with hydrogen cyanide in the presence of a catalytic system including at least one nickel complex in a zero oxidation state with at least one organophosphorus ligand selected from the group including organophosphites, organophosphonites, organophosphinites and organosphosphines and a co-catalyst such as a Lewis acid consisting of a mixture of Lewis acids is also described. | 11-24-2011 |
| 20110288230 | METHOD FOR PREPARING POLYHYDROXY-URETHANES - The invention relates to a method for preparing polyhydroxy-urethanes without using a compound having an isocyanate function, and from amino compounds and compounds carrying carbonate functions, in particular cyclic carbonate functions. The invention also relates to a method for preparing aqueous or hydro-organic formulations containing polyhydroxy-urethanes, and to the use of said polyhydroxy-urethanes and of said aqueous or hydro-organic formulations. | 11-24-2011 |
| 20110282040 | PREPARATION OF FUNCTIONALIZED ORGANOSILICON COMPOUNDS IN A BIPHASE MEDIUM - Functionalized organosilicon compounds (I), including at least one azo-activated structural unit, are prepared by: A. reacting at least one silane precursor (IV) with at least one hydrazo-precursor compound (V) to obtain hydrazine precursors (II) of such organosilicon compounds and B. oxidizing the hydrazine group of the precursors (II) to obtain precursors of the compounds (I), employing an oxidizer (NaOCl) and a base (NaOH), the oxidation being carried out in a biphase aqueous/organic medium, with the pH of the aqueous phase ranging from 3 to 11, such oxidation B being carried out directly in the reaction medium obtained from step A and containing the precursors (II), without isolating these precursors. | 11-17-2011 |
| 20110274591 | PLANT FOR THE CRYSTALLIZATION OF ADIPIC ACID - A plant for the crystallization of adipic acid is described. A plant for the crystallization of adipic acid, some parts of which are made of a corrosion-resistant material, is also described. The corrosion-resistant material used can be a reference austenitic stainless steel of AISI 310L type, according to the AISI (USA) nomenclature, or X1 CrNi 25-21 (1.4335) type, according to the European nomenclature. | 11-10-2011 |
| 20110272634 | CERIUM AND/OR TERBIUM PHOSPHATE OPTIONALLY WITH LANTHANUM, PHOSPHOR RESULTING FROM SAID PHOSPHATE AND METHODS FOR MAKING SAME - A rare earth element phosphate (Ln) is described, wherein Ln is either: (1) at least one rare earth element selected from cerium and terbium, or (2) lanthanum in combination with at least one of the above two rare earth elements, and wherein the phosphate has a crystalline structure either of the rhabdophane type with a sodium content of at most 6000 ppm, or of the monazite type with a sodium content of at most 4000 ppm. The phosphate can be obtained by the precipitation of a rare earth element chloride at a constant pH lower than 2, and then calcining and redispersing the same in hot water. A phosphor obtained by calcining the phosphate at at least 1000° C. is also described. | 11-10-2011 |
| 20110272632 | CERIUM AND/OR TERBIUM PHOSPHATE OPTIONALLY WITH LANTHANUM, PHOSPHOR RESULTING FROM SAID PHOSPHATE AND METHODS FOR PREPARING SAME - A rare earth (Ln) phosphate is described, wherein Ln is either: (1) at least one rare earth selected from cerium and terbium, or (2) lanthanum in combination with at least one of the two above-mentioned rare earths, and wherein the phosphate has a crystalline structure of the monazite type with a potassium content of at most 6000 ppm. The phosphate can be obtained by the precipitation of a rare earth chloride at a constant pH lower than 2, by calcination at a temperature of at least 700° C. and by redispersion in hot water. A phosphor obtained by calcination of said phosphate at at least 1000° C. is also described. | 11-10-2011 |
| 20110271460 | COMPOSITION FOR HOUSEHOLD CARE CONTAINING A CATIONIC NANOGEL - The present invention relates to compositions for household care which include a cationic nanogel, particularly for treating and/or modifying hard or textile surfaces. The composition particularly enables a hydrophilisation of hard surfaces, particularly useful in cleaning or rinsing operations. | 11-10-2011 |
| 20110263898 | ETHER-AMIDE COMPOUNDS AND PREPARATION AND USES THEREOF - Novel ether-amide compounds having the formula R | 10-27-2011 |
| 20110262647 | TREATMENT OF TEXTILE MATERIALS - The present invention provides a method for treating textile material to confer flame retardant properties, the method comprising the steps of impregnating the material with an aqueous solution of a treatment agent which is a poly (hydroxyorgano) phosphonium compound; drying the impregnated material; curing the dried impregnated material with ammonia to produce a cured, water-insoluble polymer which is mechanically fixed within the fibres of the material; oxidising the cured polymer to convert trivalent phosphorus to pentavalent phosphorus; and washing and drying the material; wherein one or both of steps (d) and (e) result in the co-production of an aqueous effluent; and wherein the conditions are controlled such that the atomic ratio of N:P present on the material increases during step (c) by 0.8 or more. | 10-27-2011 |
| 20110257333 | Expandable elastomeric material in the presence of water or oil - A process for the preparation of an elastomer capable of swelling in oil and/or in water and brine comprising the steps of: a) making an aqueous inverse emulsion of particles of a polymer comprising a betaine group prepared by inverse emulsion polymerization of monomers A | 10-20-2011 |
| 20110256085 | RHEOLOGY MODIFIER COMPOSITIONS AND METHODS OF USE - A composition for enhancing fluid viscosity including a mixture of at least one cationic or cationizable polymer and at least one anionic or anionizable (hydrolysable) polymer. The composition has a zeta potential at 25° C. in the range of 0.5 to 100 mV or −0.5 to −100 mV, typically 1 to 60 mV or −1 to −60 mV, or is a precursor convertible at a temperature of 100 to 250° C. to the composition having a zeta potential at 25° C. of 0.5 to 100 mV or −0.5 to −100 mV, typically 1 to 60 mV or −1 to −60 mV. Typically the compositions exhibit salt tolerance and interaction of both polymers at very high temperatures (>300° F.) such that the system exhibits an increase of viscosity at extreme temperatures. The compositions are useful for hydraulic fracturing, enhanced oil recovery, subterranean acidization, personal care as well as home and industrial cleaners. | 10-20-2011 |
| 20110251341 | REINFORCED POLYAMIDE COMPOSITION - A polyamide modified by a compound including at least one hydroxyl group, as well as a method for preparing said polyamide and articles obtained from the modified polyamide are described. A polyamide composition including reinforcing fillers, and a modified polyamide obtained by polymerization from, in particular, a monofunctional hydroxyaromatic acid or amino acid compound in the presence of diacid, diamine and/or amino acid or lactam compounds are also described. | 10-13-2011 |
| 20110245450 | MODIFIED POLYAMIDE, METHOD FOR PREPARING SAME, AND ARTICLE OBTAINED FROM SAID POLYAMIDE - A polyamide modified by a compound including at least one hydroxyl group, as well as to a method for preparing such a polyamide, and articles obtained from such a polyamide are described. A polyamide modified by a compound comprising at least one aromatic hydroxyl group and chemically bonded to the polymer chain, obtained by the polymerisation of polyamide monomers with at least one difunctional hydroxyaromatic compound in which both functions can react with an amino function is also described. | 10-06-2011 |
| 20110244116 | SELECTIVE NANOPARTICLE ASSEMBLY SYSTEMS AND METHODS - Disclosed are methods and systems for transferring dry or semi-dry nanoparticles onto a substrate. In one embodiment, this includes the steps of providing a roller comprising an elastomeric stamp; transferring nanoparticles in a dry or semi-dry state, and which contact the surface of a donor substrate, from the donor substrate onto the elastomeric stamp; and depositing the dry or semi-dry nanoparticles from the elastomeric stamp onto a receiver substrate by rolling the elastomeric stamp onto the receiver substrate. The substrate, in other embodiments, can have a relief structure. | 10-06-2011 |
| 20110243873 | Rheology modifier polymer - A polymer includes (a) one or more first monomeric units, each independently comprising at least one bicycloheptyl-polyether, bicycloheptenyl-polyether or branched (C | 10-06-2011 |
| 20110243829 | METHOD OF DECOMPOSING N20 USING A CATALYST BASED ON A CERIUM LANTHANUM OXIDE - A method for decomposing N | 10-06-2011 |
| 20110241249 | COMPOSITE POLYAMIDE ARTICLE - Uses of low molecular mass, non-evolutive polyamide resins for making composite articles are described. Articles obtained from such resins having good mechanical properties, such as rigidity, breaking load, impact resistance, and fatigue behaviour in particular, even when the articles are manufactured according to cycles shorter than those usually used, and without any processing before or after the manufacture of the composite articles, are also described. | 10-06-2011 |
| 20110230681 | METHOD FOR PRODUCING AMINES - Amine compounds, more particularly diamine compounds, are prepared by hydrogenating compounds including nitrile functions. The preparation can include the use of a hydrogenation catalyst, adapted for the hydrogenation of nitrile compounds into amine compounds, including Raney nickel as well as iron, chromium, and zinc as doping elements. | 09-22-2011 |
| 20110230674 | METHOD OF SEPARATING PHENOLIC COMPOUNDS IN SALIFIED FORM - The subject of the present invention is a method for separating phenolic compounds in salified form from a reaction medium comprising them. The method of the invention for separating phenolic compounds in salified form from an aqueous reaction medium resulting from the reaction of a phenolic compound and of glyoxylic acid in the presence of a base leading to a reaction medium comprising at least the excess of initial phenolic compound in salified form and the various mandelic compounds in salified form resulting from the reaction, is characterized by the fact that said reaction medium is brought into contact with a basic anion-exchange resin that leads to the selective attachment of the initial phenolic compound to said resin and to the recovery of an aqueous stream comprising the mandelic compounds in salified form resulting from the reaction, and that the phenolic compound in salified form attached to the resin is separated by a resin regeneration treatment. | 09-22-2011 |
| 20110230565 | NOVEL COMPOUND CONTAINING VANILLIN AND ETHYLVANILLIN, AND PREPARATION AND APPLICATIONS THEREOF - A compound that includes vanillin and ethylvanillin, and a method for making same are described. The compound described can be obtained by the co-crystallisation of vanillin and ethylvanillin. Methods of using the compound in numerous applicable fields, particularly in human and animal food are also described. | 09-22-2011 |
| 20110225897 | LIQUID SUSPENSIONS AND POWDERS OF CERIUM OXIDE PARTICLES AND PREPARATION AND POLISHING APPLICATIONS THEREOF - Suspensions of cerium oxide particles, well suited for polishing applications, the particles (secondary particles) of which have an average size of at most 200 nm, these secondary particles are formed from primary particles whose average size measured by TEM is at most 150 nm with a standard deviation of at most 30% of the value of this average size, and for which the ratio of the average size measured by TEM to the average size measured by BET is at least 1.5. Such suspensions are prepared from solutions of a cerium III salt, comprising a colloidal dispersion of cerium IV, which are contacted, in the presence of nitrate ions and under an inert atmosphere, with a base, and the medium obtained is subjected to a thermal treatment under an inert atmosphere and then acidified and washed. | 09-22-2011 |
| 20110223125 | COMPOSITIONS WITH FREEZE THAW STABILITY - Composition including freeze thaw stability polymer such as a copolymer having a weight average molecular weight of at least about 30,000 grams per mole, a blend of a first polymer and a second polymer, a crosslinked alkali swellable acrylate copolymer, or at least one polymerizable reactive alkoxylated acrylate monomer. The copolymer has one or more first monomeric units and one or more second monomeric units. The one or more first monomeric units each independently including at least one bicycloheptyl-polyether, bicycloheptenyl-polyether or branched (C | 09-15-2011 |
| 20110210050 | FORMULATION OF NOVOLAK RESINS FOR ENHANCING THE ACID RESISTANCE OF POLYAMIDE COMPOSITIONS - Novolak resins are incorporated for enhancing the acid resistance of polyamide compositions. Polyamide compositions containing such novolak resins are useful for producing various plastic shaped articles, such as calibrated particles or injection-molded parts, and are particularly useful for the recovery of sludge, liquids, and gases present in underground reservoirs, especially in the field of hydrocarbon extraction such as crude oil or natural gas. | 09-01-2011 |
| 20110206583 | CATALYST COMPOSITIONS COMPRISING ZIRCONIUM, CERIUM AND YTTRIUM OXIDES HAVING A HIGH REDUCIBILITY - Catalyst compositions useful for the conversion of vehicular exhaust gases contain zirconium, cerium and yttrium oxides with a cerium oxide proportion of from 3% to 15%, and yttrium oxide proportions corresponding to the following conditions: 6% at most if the cerium oxide proportion is from 12% excluded and 15% included; 10% at most if the cerium oxide proportion is from 7% excluded and 12% included; 30% at most if the cerium oxide proportion is from 3% to 7% included, the balance being zirconium oxide; such compositions may optionally include an oxide of a rare earth selected from among lanthanum, neodymium and praseodymium. | 08-25-2011 |
| 20110197664 | METHOD AND APPARATUS FOR DETERMINING THE INTERFACIAL TENSION BETWEEN TWO LIQUIDS - The interfacial tension between two liquids is determined by: flowing an internal liquid (L | 08-18-2011 |
| 20110195889 | COPOLYMER FOR SURFACE PROCESSING OR MODIFICATION - The invention relates to a composition for processing and/or modifying surfaces, particularly hard surfaces or textile surfaces. The composition includes a synthetic copolymer including cationic units and other units | 08-11-2011 |
| 20110178227 | NOVEL PRECIPITATED SILICA HAVING PARTICULAR MORPHOLOGY, GRADING AND POROSITY, PREPARATION THEREOF AND REINFORCING OF POLYMERS THEREWITH - Precipitated silicas including clusters of large primary silica particles having at the surface thereof small primary silica particles, have a specific surface area CTAB (S | 07-21-2011 |
| 20110172136 | DETERGENT COMPOSITION WITH HYDROPHILIZING SOIL-RELEASE AGENT AND METHODS FOR USING SAME - Laundry detergent compositions that provide soil release benefits to all fabric comprising an organophosphorus soil release agents and optional non-cotton secondary soil release agents. The present invention further relates to a method for providing soil release benefits to cotton fabric by contacting cotton articles with a water soluble and/or dispersible organophosphorus material. The contacting can be during washing or by pretreating by applying the composition directly to stains or by presoaking the clothing in the composition prior to washing. The present invention further relates to providing soil release benefits to all fabric in the laundry wash load in the presence of a bleaching agent. | 07-14-2011 |
| 20110166385 | METHOD FOR SEPARATING A CARBOXYLIC ACID IN SALIFIED FORM BEARING AT LEAST ONE HALOGEN ATOM - The subject of the present invention is a method for separating a carboxylic acid in salified form bearing at least one halogen atom at the α position of the carbonyl group from a medium comprising it. The method according to the invention, for separating a carboxylic acid in salified form bearing at least one halogen atom at the α position of the carbonyl group from an aqueous medium comprising it, is characterized by the fact that the latter is brought into contact with an onium salt leading to the formation of two phases: an organic phase comprising the salt resulting from the reaction of the salt of the carboxylic acid bearing at least one halogen atom at the α position of the carbonyl group and of the onium salt leading to the displacement of the cation from the carboxylic acid by the onium, an aqueous phase comprising the various salts, in particular the one resulting from the reaction of the cation of the carboxylic acid with the anion of the onium, and by the fact that the organic and aqueous phases are then separated and that the onium salt of the carboxylic acid is recovered from the organic phase. | 07-07-2011 |
| 20110166376 | PREPARATION OF NITRILES FROM ETHYLENICALLY UNSATURATED COMPOUNDS - A process for the hydrocyanation of a hydrocarbon-based compound having at least one site of ethylenic unsaturation into a nitrile compound includes reaction thereof, in a liquid medium, with hydrogen cyanide in the presence of a catalyst containing a metal element selected from among the transition metals and an organophosphorus ligand, wherein the organophosphorus ligand is a mixture of at least one monodentate organophosphite compound and at least one monodentate organophosphine compound; the subject process is especially useful for the synthesis of adiponitrile from butadiene. | 07-07-2011 |
| 20110166025 | ESTERAMIDE SOLVENTS/COALESCING AGENTS IN PHYTOSANITARY, CLEANING, DEGREASING, STRIPPING, LUBRICATING, COATING, AND PIGMENT/INK COMPOSITIONS - Esteramide compounds are useful solvents/coalescing agents for a variety of phytosanitary, cleaning, degreasing, stripping, lubricating, coating and pigment/ink compositions. | 07-07-2011 |
| 20110166014 | Composition Based on Cerium Oxide and On Zirconium Oxide Having A High Reducibility and High Specific Surface, Methods for the Preparation Thereof and Use As A Catalyst - The inventive composition is based on cerium oxide and on zirconium oxide in an atomic proportion Ce/Zr of at least 1, and has a reducibility rate of at least 70% and a surface area of at least 15 m; 2; /g. This composition is obtained by a method in which: a mixture is made containing cerium and zirconium compounds; this mixture is provided with a basic compound whereby obtaining a precipitate that is heated in an aqueous medium; a surfactant-type additive or a polyethylene glycol or a carboxylic acid is added to this medium or to the separated precipitate; the mixture is ground; the precipitate obtained thereof is calcined under inert gas or vacuum, in a first period of time, at a temperature of at least 850 .iC and then under an oxidizing atmosphere, in a second period of time, at a temperature of at least 400 .° C. | 07-07-2011 |
| 20110162525 | TREATMENT OF GASES TO REDUCE THE CARBON DIOXIDE CONTENTS THEREOF - A method for processing a CO | 07-07-2011 |
| 20110160407 | NOVEL POLYAMIDEIMIDES AND PREPARATION AND COMPOSITIONS COMPRISED THEREOF - Novel semi-aromatic polyamideimides are prepared by melt polymerization of at least one organic compound having carboxyl groups, of at least one diamine compound and, optionally, of at least one diacid compound; such novel polyamideimides are formulated into compositions based on a thermoplastic matrix. | 06-30-2011 |
| 20110144248 | Methods and systems for improving open time and drying time of latex binders and aqueous coatings - Disclosed are low Tg latex polymers and low VOC aqueous coating compositions having an improved open time profile, as well as drying time, stain resistance, wet edge time, low temperature film formation, block resistance, adhesion, water sensitivity and low-VOC content. The latex polymers and aqueous coating compositions include at least one latex polymer derived from at least one monomer copolymerized or alkoxylated compounds or blended with an alkoxylated compound, for example an alkoxylated tristyrylphenol or an alkoxylated tributylphenol. Also provided is an aqueous coating or adhesive composition including at least one latex polymer, water and one or a blend of two or more open time additives or drying time additives. The blend can comprise nonionic and anionic open time additives. Typically, the open time and/or drying time additive is present in an amount greater than about 1.3% by weight of the polymer or composition, typically in an amount greater than about 2% by weight of the polymer or composition, in an amount greater than about 4% by weight of the polymer or composition, in an amount greater than about 7.5% by weight of the polymer or composition, in an amount greater than about 10% by weight of the polymer or composition or in an amount greater than about 20% by weight of the polymer or composition. | 06-16-2011 |
| 20110143972 | Scale squeeze treatment systems and methods - An aqueous composition for treating hydrocarbon wells contains (a) a scale inhibitor and (b) a viscoelastic surfactant, and further contains from 0 to less than 1% by weight of acid selected from the group consisting of hydrochloric acid, sulfuric acid, phosphoric acid, formic acid, acetic acid, citric acid, maleic acid, hydrofluoric acid, and mixtures thereof. | 06-16-2011 |
| 20110137001 | COPOLYMER FOR IMPROVED DRYING - The invention relates to a novel copolymer containing vinyl-pyrrolidone units. The copolymer further includes units of the betaine type. The invention further relates to the use of the copolymer in compositions for drying dishes, said polymer particularly improving the drying thereof. | 06-09-2011 |
| 20110133124 | SUSPENSIONS OF PHOSPHATES OF AT LEAST ONE RARE EARTH ELEMENT SELECTED FROM AMONG CERIUM AND TERBIUM AND OPTIONALLY LANTHANUM AND LUMINOPHORES PRODUCED THEREFROM - Phosphate particulates of at least one rare-earth metal (Ln), with Ln being at least one rare-earth metal selected from among cerium and terbium and optionally lanthanum are in the form of a suspension in a liquid phase of primary isotropic monocrystalline monazite particles having an average size of at least 25 nm and agglomerated into secondary particles having an average size of at most 400 nm; useful luminophores are produced from such phosphate particulates. | 06-09-2011 |
| 20110130321 | HEAT-SENSITIVE EMULSIONS - The invention relates to heat-sensitive emulsions that can be destabilized by increasing the temperature. The emulsions include a copolymer with amphiphilic blocks. | 06-02-2011 |
| 20110118499 | PREPARATION OF NITRILES FROM ETHYLENICALLY UNSATURATED COMPOUNDS - A process for the hydrocyanation of a hydrocarbon-based compound having at least one site of ethylenic unsaturation into a nitrile compound includes reaction thereof, in a liquid medium, with hydrogen cyanide in the presence of a catalyst containing a metal element selected from among the transition metals and an organophosphorus ligand, wherein the organophosphorus ligand is a compound of formula (I): | 05-19-2011 |
| 20110112202 | HYDRODENITROGENATION OF HYDROCARBON COMPOUNDS CONTAINING NITRILE OR AMINE FUNCTIONS - Hydrocarbon compounds containing at least one nitrile or amine functional group, e.g., methylglutaronitrile or ortho-toluenediamine, are converted, via hydrodenitrogenation, into ammonia, hydrogen, carbon monoxide and hydrocarbon compounds, notably into hydrocarbon compounds having a low number of carbon atoms, such as methane, or into ammonia. | 05-12-2011 |
| 20110092634 | POLYMERIC MICROGEL COMPRISING CATIONIC UNITS - The present invention relates to novel polymeric microgels and to a method suitable for the preparation thereof. The novel microgels comprise cationic units. | 04-21-2011 |
| 20110088728 | Auto-emulsifying cleaning systems and methods for use - An auto-emulsifying cleaning composition capable of emulsifying upon contact with water, the composition in one typical embodiment comprising, based on the total weight of the composition, (a) from about 1% to about 99% by weight a blend of dibasic esters; (b) from about 1% to about 40% by weight of a blend of surfactants consisting of an organic anion neutralized with an organic cation, where either or both of the anion and the cation have surfactant properties, and the complex of which is soluble in the dibasic ester solvent blend. The blend of surfactants is typically a cationic surfactant and an anionic surfactant, which may or may not be used in conjunction with non-ionic surfactants. The dibasic esters are be derived from a blend of adipic, glutaric, and succinic diacids, and, in one particular embodiment, the blend comprises dialkyl adipate, dialkyl methylglutarate and dialkyl ethylsuccinate, wherein the alkyl groups individually comprise a C | 04-21-2011 |
| 20110086966 | POLYAMIDE COMPOSITIONS - Polyamide compositions and articles shaped therefrom have good dimensional stability and contain at least one novolac resin and nanometric flake structure filler material; the articles shaped therefrom, e.g., by injection molding, are useful in a various of applications, for example as engineering plastics. | 04-14-2011 |
| 20110082310 | PRODUCTION OF NITRILE COMPOUNDS - Organic compounds containing at least one site of ethylenic unsaturation are catalytically hydrocyanated and the medium of hydrocyanation is separated into desired linear organic compounds containing at least one nitrile function, e.g., 3-pentenenitrile, and undesired nitrile by-products, e.g., methylglutaronitrile, and the undesired nitrile by-products are hydrodenitrogenated into ammonia and at least one hydrocarbon compound under an absolute hydrogen pressure ranging from 0.1 to 10 MPa at a temperature ranging from 200° to 500° C. and in the presence of a hydrodenitrogenation catalyst. | 04-07-2011 |
| 20110071308 | PROCESS FOR PREPARING CRYSTALS BASED ON A FATTY ACID ESTER - The present invention relates to an improved process for preparing a fluid concentrated ingredient based on crystals based on a fatty acid ester, and also to the use of this fluid concentrated ingredient. | 03-24-2011 |
| 20110068303 | SUBMICRONIC BARIUM AND MAGNESIUM ALUMINATE PHOSPHORS - Submicronic barium and magnesium aluminates, useful as phosphors, are in the form of a liquid-phase suspension of substantially monocrystalline particles having an average particle size ranging from 80 to 400 nm; such aluminates are prepared by a process that includes: providing a liquid mixture containing compounds of aluminum and of other elements that are part of the aluminate composition; drying the mixture by atomization; calcining the dried product in a reducing atmosphere and wet-grinding this product. | 03-24-2011 |
| 20110065955 | Method For Preparing Difluoroacetic Acid and Salts Thereof - The invention relates to a method for preparing difluoroacetic acid and the salts thereof. The invention also relates to the preparation of difluoroacetyl fluoride used as an intermediate product in the preparation of difluoroacetic acid. The method for preparing difluoroacetic acid according to the invention is characterised in that the same comprises the step of preparing difluoroacetyl fluoride by reacting dichloroacetyl chloride with hydrofluoric acid in a gaseous phase and in the presence of a chromium-based catalyst, followed by the step of hydrolysing the difluoroacetyl fluoride thus obtained. | 03-17-2011 |
| 20110054042 | Polymer compositions - A composition contains an incompletely hydrated water soluble polymer suspended in a liquid medium. | 03-03-2011 |
| 20110053763 | CATALYST COMPOSITIONS BASED ON NANOPARTICLES OF A ZIRCONIUM OXIDE, A TITANIUM OXIDE OR A MIXED ZIRCONIUM/TITANIUM OXIDE DEPOSITED ONTO AN ALUMINA OR ALUMINUM OXYHYDROXIDE SUPPORT THEREFOR - Catalyst compositions include finely divided nanoscale particles of at least one supported oxide selected from among zirconium oxide, titanium oxide or a mixed zirconium/titanium oxide deposited onto an alumina-based or aluminum-oxyhydroxide-based support, wherein, after calcination for 4 hours at 900° C., the at least one support oxide is in the form of nanoscale particles deposited onto the support, the size of said particles being at most 10 nm when the at least one supported oxide is based is zirconium oxide and being at most 15 nm when the at least one supported oxide is titanium oxide or a mixed zirconium/titanium oxide; such catalyst compositions are especially useful for the selective reduction of NOx. | 03-03-2011 |
| 20110049428 | AQUEOUS TREATMENT COMPOSITION FOR INHIBITING CORROSION AND ACID ATTACK ON METALLIC SURFACES - The present invention relates to an aqueous treatment composition for inhibiting corrosion and acid attack on metallic surfaces that comprises a thiourea organic derivative, a polyalkoxylated terpene nonionic surfactant and an acid. The invention also relates to a process for cleaning industrial metallic equipment, in particular heat exchangers in which a heat transfer fluid, generally based on air or on water, flows, with a view to cleaning them and removing scale and other soiling. | 03-03-2011 |
| 20110040025 | Block Copolymer, Process For Making The Same, And Use In Emulsions - The invention concerns amphiphilic block copolymers, a process for making the same, and its use in emulsions. The block copolymers comprise a hydrophilic block and a hydrophobic block and can be used in emulsion as an emulsifier or as a co-emulsifier, particularly in water-in-oil emulsions. | 02-17-2011 |
| 20110039749 | Methods for cleaning recyclable substrates or containers - A method for treating a contaminated substrate comprising the steps of contacting an emulsion to a substrate surface soiled with one or more contaminants, the emulsion comprising a blend of dibasic esters, whereby the emulsion is capable of emulsifying all or some of the contaminants, forming a resulting emulsion; removing substantially all of the resulting emulsion from the substrate surface; and, optionally, in recovering the contaminant, adding an amount of water or a solvent to the resulting emulsion effective to form at least a first phase layer comprising a substantial amount of the contaminant and a second phase layer comprising a substantial amount of the emulsion. The dibasic esters can be a blend of adipic, glutaric, and succinic diacids, and, in one particular embodiment, the blend comprises dialkyl methylglutarate and dialkyl ethylsuccinate, wherein the alkyl groups individually comprise a C | 02-17-2011 |
| 20110034724 | METHOD FOR PREPARING A TRIFLUOROMETHANESULFINIC ACID SALT - The present invention relates to a method for preparing a salt of trifluoromethanesulphinic acid termed “triflinic acid”. More specifically, the invention relates to a method for preparing a highly pure triflinic acid salt. The method of the invention for preparing a highly pure triflinic acid salt, starting from an aqueous mixture comprising the latter combined with a trifluoroacetic acid salt and saline impurities resulting from the method for preparing same, is characterized in that said mixture is subjected to the following operations: first controlled acidification such that the trifluoroacetic acid salt is essentially released in the acid form thereof, the majority of the triflinic acid remaining in a salified form, optional separation of the salts originating from the acid having been used for the acidification and recovery of an aqueous phase, separation of the trifluoroacetic acid from the separated aqueous phase comprising the alkaline salt of triflinic acid, trifluoroacetic acid, triflinic acid and the excess strong acid, therefore resulting in an aqueous phase depleted of trifluoroacetic acid but comprising the alkaline salt of triflinic acid, recovery of the alkaline salt of triflinic acid from the aqueous phase. | 02-10-2011 |
| 20110034693 | PREPARATION OF METHYLPENTAMETHYLENEDIAMINE AND METHYLPIPERIDINE - Methyl-2-pentamethylenediamine and methyl-3-piperidine are prepared by hydrogenation of methylglutaronitrile in the presence of a catalyst including cobalt, chromium, and nickel, especially a catalyst based on Raney cobalt doped with nickel and chromium. | 02-10-2011 |
| 20110033352 | CATALYST/CATALYST SUPPORT COMPOSITIONS COMPRISING THE OXIDES OF ZIRCONIUM, YTTRIUM AND TUNGSTEN - Compositions based on zirconium oxide, including 1 to 20% yttrium oxide, 1 to 30% tungsten oxide and the balance zirconium oxide, have a specific surface area of at least 40 m | 02-10-2011 |
| 20110021804 | PRODUCTION OF COMPOUNDS COMPRISING NITRILE FUNCTIONAL GROUPS - The present invention relates to a process for producing compounds comprising at least one nitrile function by hydrocyanation of a compound comprising at least one non-conjugated unsaturation. | 01-27-2011 |
| 20110015071 | Agricultural adjuvant compositions, pesticide compositions, and methods for using such compositions - An adjuvant composition contains an adjuvant composition, comprising, based on 100 parts by weight of the composition: (a) from about 10 to 100 parts by weight of a combined of one or more betaine surfactants and one or more glycoside surfactants, comprising, based on 100 parts by weight of the combined amount: (i) from greater than 0 to less than 100 parts by weight of the one or more betaine surfactants, and (ii) from greater than 0 to less than 100 parts by weight of one or more glycoside surfactants, and (b) from 0 to about 90 parts by weight water A pesticide composition contains based on 100 parts by weight of the composition: (a) from greater than 0 parts by weight to about 20 parts by weight of a combined amount of one or more betaine surfactants and one or more glycoside surfactants, comprising, based on 100 parts by weight of the combined amount: (i) from greater than 0 to less than 100 parts by weight of the one or more betaine surfactants, and (ii) from greater than 0 to less than 100 parts by weight of one or more glycoside surfactants, and (b) from 0 to about 90 parts by weight water, and (c) an effective amount of one or more pesticides. A method for controlling the growth of a target plant includes applying the pesticide composition to the target plant. | 01-20-2011 |
| 20110011414 | HIGHLY COHESIVE COMPOSITE POLYMER MATERIALS, PREPARATION THEREOF AND, E.G., CIGARETTE FILTERS COMPRISING SAME - Highly cohesive composite materials, formed of at least one polymer and at least one compound selected from among the mineral oxides, silicoaluminates and activated carbon, have:
| 01-20-2011 |
| 20110009269 | HERBICIDAL COMPOSITION COMPRISING AN AMINOPHOSPHATE OR AMINOPHOSPHONATE SALT AND A VISCOSITY REDUCING AGENT - The present invention relates to herbicidal compositions comprising an aminophosphate or aminophosphonate salt, particularly to herbicidal compositions comprising a relatively high amount of aminophosphate or aminophosphonate salt. The compositions comprise an additive compound which is a salt. | 01-13-2011 |
| 20110005915 | METHOD FOR RECOVERING FLUOROCARBOXYLIC ACIDS - The invention relates to a method for recovering fluorocarboxylic acids from aqueous compositions containing said acids. The invention more particularly relates to the recovery of flourocarboxylic acids forming an azeotrope with water by contact with a strong acid. | 01-13-2011 |
| 20110003936 | Soil hydrophilization agent and methods for use - Disclosed are soil additives capable of hydrophilizing soil particles and/or increase available water capacity in soil. The soil additive are capable of increasing the available water content/capacity (AWC) in soils, the additive in one embodiment comprising a polymer composition having a hydrophilic portion and a hydrophobic portion, wherein the hydrophobic portion of the copolymer binds with the soil particle surface and the hydrophilic portion of the copolymer can bind with water. This results in the prevention, arrest or decelerated loss of water from the targeted area, for example the plant root zone, which allows for improved water usage efficiency by plants, grasses, vegetation, etc. | 01-06-2011 |
| 20100279911 | ANTI-GRAFFITI TREATMENT - The invention relates to the use, in anti-graffiti treatments, and preferably in graffiti-suppressing treatments, of a particular dicarboxylic acid diester having improved treatment efficiency. | 11-04-2010 |
| 20100279134 | Process of Making Aqueous Dispersions of Polymers, Emulsions of Polymers, and Use Thereof - The present invention relates to a process of making aqueous dispersions of copolymers, for example based on conjugated, aliphatic dienes and vinyl aromatic compounds. It relates also to the emulsions polymers obtained thereby, and to the use thereof as binders for the coating of paper. The invention also related to a coated paper having a coating comprising the emulsion copolymer. The process involves using at least two emulsifiers. | 11-04-2010 |
| 20100273994 | HYBRID COMPOUNDS CONTAINING POLYSACCHARIDE(S) AND AT LEAST ONE POLYOXYALKYLENE, METHOD FOR PREPARING SAME, AND APPLICATIONS THEREOF - The invention relates to novel hybrid compounds containing at least one polysaccharide entity (PS), such as guar, in which at least one hydroxyl function is substituted by at least one A polyoxyalkylene entity (PEG). The swivel Ro between the entity PS and the entity A is obtained by click chemistry and has the following formula (II.1) or (II.2), in which Z is a carbon or nitrogen atom. These hybrid compounds can be used as emulsifiers, particularly in cosmetics. | 10-28-2010 |
| 20100273697 | COPOLYMER FOR PROCESSING OR MODIFYING SURFACES - The invention relates to a composition for processing and/or modifying surfaces, in particular hard surfaces. The composition includes a synthetic copolymer that comprises cationic units and units derived from a vinyl-lactam. | 10-28-2010 |
| 20100273695 | Ink cleaning composition and methods for use - An environmentally-friendly cleaning composition for industrial and consumer applications comprising (a) a blend of dibasic esters, (b) one or more surfactants (c) and, optionally, (d) water or a solvent. The dibasic esters are be derived from a blend of adipic, glutaric, and succinic diacids, and, in one particular embodiment, the blend comprises dialkyl adipate, dialkyl methylglutarate and dialkyl ethylsuccinate, wherein the alkyl groups individually comprise a C | 10-28-2010 |
| 20100247411 | HIGHLY ACIDIC COMPOSITIONS COMPRISING ZIRCONIUM OXIDE, TITANIUM OXIDE AND TUNGSTEN OXIDE AND TREATMENT OF EXHAUST GASES THEREWITH - Compositions useful for treating exhaust gases contain zirconium, titanium and tungsten oxides, and optionally the oxide of an element M selected from among silicon, aluminum, iron, molybdenum, manganese, zinc, tin, and rare earths in the following mass proportions of these different elements: titanium oxide: 20%-50%; tungsten oxide: 1%-20%, M-element oxide: 1%-20%; the balance being zirconium oxide; such compositions are prepared by placing in a liquid medium a zirconium compound, a titanium compound, optionally an M-element compound and a basic compound, adding a tungsten compound to the precipitate suspension thus obtained and having a pH value ranging from 1 to 7, maturing the suspension resulting from the preceding step, and optionally separating the precipitate and calcining same. | 09-30-2010 |
| 20100247407 | HIGHLY ACIDIC COMPOSITIONS COMPRISING ZIRCONIUM AND SILICON OXIDES AND AN OXIDE OF AT LEAST ONE OTHER ELEMENT SELECTED FROM AMONG TITANIUM, ALUMINUM, TUNGSTEN, MOLYBDENUM, CERIUM, IRON, TIN, ZINC, AND MANGANESE - Compositions useful for treating the exhaust gases of diesel engines contain zirconium oxide, silicon oxide and at least one oxide of at least one element M selected from among titanium, aluminum, tungsten, molybdenum, cerium, iron, tin, zinc, and manganese, in the following mass proportions of these different elements: silicon oxide: 5%-30%; M-element oxide: 1%-20%; the balance being zirconium oxide; such compositions also have an acidity, as measured by the methylbutynol test, of at least 90% and are prepared by placing a zirconium compound, a silicon compound, at least one M-element compound and a basic compound in a liquid medium, thereby generating a precipitate, maturing the precipitate in a liquid medium and separating and calcining the precipitate. | 09-30-2010 |
| 20100240822 | POLYMER AND USE THEREOF - The invention relates to new copolymers comprising a special phosphate functional monomer, and to uses thereof for example in coatings. The new copolymers can impart improved scrub resistance to said coatings. | 09-23-2010 |
| 20100210724 | Method for modifying the properties of an aqueous suspension - A method for modifying the properties of a suspension of solid or liquid particles in an aqueous medium, includes the step of adding to the suspension or to the aqueous medium a polymer prepared by inverse emulsion polymerization of monomers A | 08-19-2010 |
| 20100210485 | Oil Formulation for Preventing Water Penetration in Underground Formations - The present invention relates to the use of an oil formulation in the field of the oil industry, in particular for the prevention of water penetration. The formulation according to the invention is in particular intended to be injected into underground formations, such as injection wells or production wells. | 08-19-2010 |
| 20100204068 | Methods for controlling depolymerization of polymer compositions - A method of controlling or arresting the rate of depolymerization of a polymer composition during a biocide treatment by controlling the pH of the composition, and use of such methods in oilfield applications. | 08-12-2010 |
| 20100140531 | USE OF A BETAINE AS A FOAM DRAINAGE REDUCING AGENT - The invention relates to the use of a betaine as a foam drainage reducing agent. The invention also relates to the use of betaine in processes involving foam. | 06-10-2010 |
| 20100093874 | COPOLYMER INCLUDING BETAINE UNITS AND HYDROPHOBIC AND/OR AMPHIPHILIC UNITS, METHOD FOR PREPARING SAME AND USES THEREOF - The invention relates to a copolymer including betaininc units and hydrophobic and/or amphiphile units. The invention also relates to a method for preparing a copolymer including betaininc units and hydrophobic and/or amphiphile units, by controlled micellar polymerisation. The invention further relates to the uses of the copolymer. The copolymer is particularly used for increasing the viscosity of saline aqueous compositions. | 04-15-2010 |
| 20100081281 | Abrasive compositions for chemical mechanical polishing and methods for using same - A colloidal dispersion for chemical mechanical polishing comprising: (a) an abrasive component; and (b) from about 0.05% to about 10% by weight of the abrasive component, a water-soluble amphoteric polymer comprising at least one macromolecular chain B and a part A bonded to a single end of the at least one macromolecular chain B, wherein the macromolecular chain B is derived from one or more ethylenically unsaturated monomers having quaternary ammonium groups or inium groups, and wherein the part A is a polymeric or nonpolymeric group comprising at least one anionic group; wherein the dispersion has a pH of between about 1.5 and about 6. The colloidal dispersion is capable of polishing a substrate comprising silicon nitride and silicon oxide with a reverse selectivity ratio of at least about 27, typically at least 50 the reverse selectivity ratio being the ratio of the rate of removal of the silicon nitride to the rate of removal of the silicon oxide. | 04-01-2010 |
| 20100072431 | ELECTRICALLY CONDUCTIVE COMPOSITIONS/SHAPED ARTICLES COMPRISING POLYAMIDE MATRICES - Polyamide matrix-based compositions containing electrically conductive fillers are molded into plastic shaped articles, e.g., automotive body parts, which are improvedly painted by electrostatic deposition processing. | 03-25-2010 |
| 20100069272 | ENHANCED CRUDE OIL RECOVERY - The present invention relates to the use of phosphate esters as surfactants in techniques for enhanced crude oil recovery from underground formations. The invention also relates to formulations that can be used in enhanced crude oil recovery methods and to be contacted with the rocks of underground formations. | 03-18-2010 |
| 20100058845 | CRYSTALLIZATION OF CHEMICAL SPECIES/POLYMORPHS AND MICROFLUIDIC APPARATUS AND SCREENING METHODOLOGY THEREFOR - The crystallization of chemical species/polymorphs comprises forming droplets of a solution of a substance with optionally different concentrations of said substance in an inert phase; producing and storing the droplets in at least one storage microchannel ( | 03-11-2010 |
| 20100056823 | PREPARATION OF METALLIC DIHYDROXYBENZENEDISULFONATES - Metallic dihydroxybenzenedisulfonates are prepared, preferably from alkaline metals, from corresponding dihydroxybenzenedisulfonic acids, by reacting the dihydroxybenzenedisulfonic acid present in a sulfuric medium with an adequate amount of a salt including a sulfate or hydrogenosulfate anion. | 03-04-2010 |
| 20100051868 | LUMINOPHORES AND CORE-SHELL LUMINOPHORE PRECURSORS - A novel type of green luminophore containing mixed rare-earth phosphates is produced from precursor particles having a mean diameter ranging from 1.5 to 15 microns; such particles have an inorganic core and a shell of a mixed lanthanum and/or cerium phosphate, optionally doped with terbium, evenly covering the inorganic core with a thickness greater than or equal to 300 nm. | 03-04-2010 |
| 20100048738 | HYBRID COMPOUNDS BASED ON POLYOL(S) AND AT LEAST ONE OTHER MOLECULAR ENTITY, POLYMERIC OR NON-POLYMERIC, IN PARTICULAR OF THE POLYORGANOSILOXANE TYPE, PROCESS FOR THE PREPARATION THEREOF, AND APPLICATIONS THEREOF - The invention relates to novel hybrid compounds comprising at least one polyon entity (Po)—for example oligomer or polymer—in which at least one of the hydroxyl functions of Po is substituted by at least one entity A that can be of a variable nature, for example polymer (e.g. polyorganosiloxane-POS), hydrocarbonated or mineral. The bond Ro between the entity Po and the entity A is obtained by means of “click chemistry” and corresponds to formula (II.1) or (II.2), Z representing —CH— or —N—. A is an entity selected from the group comprising the various polyols of Po, polyorganosiloxanes (POS), polyalkylene glycols, polyamides, polyesters, polystyrenes, alkyls, alkenyls, alkynyls, aryls, and combinations thereof, in addition to mineral materials such as silica and the combinations thereof. Said hybrid components can be used as emulsifiers, especially for cosmetics. | 02-25-2010 |
| 20100040523 | HIGH SPECIFIC SURFACE/REDUCIBILITY CATALYST/CATALYST SUPPORT COMPOSITIONS COMPRISING OXIDES OF ZIRCONIUM, CERIUM AND LANTHANUM AND OF YTTRIUM, GADOLINIUM OR SAMARIUM - Catalyst/catalyst support composition essentially consist of oxides of zirconium, cerium and lanthanum and of another rare earth selected from among yttrium, gadolinium and samarium, having a proportion of the lanthanum oxide and the oxide of the other rare earth of at least 15% and specific surfaces of at least 40 m | 02-18-2010 |
| 20100022789 | Catalytic compositions for the metathesis of unsaturated fatty bodies with olefins and metathesis methods using catalytic compositions - Catalytic compositions useful for carrying out the metathesis of unsaturated fatty bodies, in particular unsaturated fatty bodies comprising oleic acid or oleic acid esters, contain a ruthenium-based catalyst which can be isolated and which has the formula (I) below: | 01-28-2010 |
| 20100004152 | Synthetic Microgel Polymer Compositions for Treating and/or Modifying Hard Surfaces - Synthetic microgel polymer compositions are useful for treating and/or modifying hard surfaces, in particular by promoting the hydrophilization thereof, notably in cleaning or rinsing operations. | 01-07-2010 |
| 20090326260 | Conversion of Nitrile Compounds Into Carboxylic Acids and Corresponding Esters Thereof - Hydrocarbon-based compounds containing at least one nitrile function are converted into compounds containing at least one carboxylic function, and into ester compounds from the carboxylic compounds thus obtained; such conversion entails reacting the nitrile compound with a hydroxyl basic compound in solution in a solvent at a temperature of between 80 and 150° C., in eliminating the ammonia formed, in reacting the salt obtained with a mineral acid, and then in recovering the compound containing at least one carboxylic function and, optionally, esterifying the acids obtained by reaction with an alcohol. | 12-31-2009 |
| 20090312502 | Method for preparing polyhydroxy-urethanes - The invention relates to a method for preparing polyhydroxy-urethanes without using a compound having an isocyanate function, and from amino compounds and compounds carrying carbonate functions, in particular cyclic carbonate functions. The invention also relates to a method for preparing aqueous or hydro-organic formulations containing polyhydroxy-urethanes, and to the use of said polyhydroxy-urethanes and of said aqueous or hydro-organic formulations. | 12-17-2009 |
| 20090306297 | PROCESS FOR PREPARING A COPOLYMER WITH CONTROLLED ARCHITECTURE, OF TELOMER OR BLOCK COPOLYMER TYPE, OBTAINED FROM VINYL PHOSPHONATE MONOMERS, BY IODINE TRANSFER POLYMERIZATION - The present invention relates to a process for synthesizing a copolymer having controlled architecture, comprising at least one block A obtained by the ITP polymerization of a mixture of ethylenically unsaturated monomers (A | 12-10-2009 |
| 20090305048 | Process for the treatment of a hydrophobic surface by an aqueous phase - The invention relates to process for the treatment of a hydrophobic surface by a liquid film comprising an aqueous phase comprising the coating of said surface by the liquid whose aqueous phase comprises an effective amount of surface properties modifying agent and an active agent. | 12-10-2009 |
| 20090304757 | Cosmetic Compositions Comprising A Powdered Thermoplastic - The present invention relates to cosmetic compositions used in particular in the care and makeup field. The invention relates to cosmetic compositions for making up and/or caring for keratin materials such as the skin, lips, nails, head hair, eyelashes, eyebrows or body hair of human beings. It relates more particularly to cosmetic compositions comprising a powdered thermoplastic polymer, and also to the use of this powder for improving the properties of cosmetic compositions. | 12-10-2009 |
| 20090297416 | ALUMINA-BASED NITROGEN OXIDE (NOx) TRAPPING COMPOSITIONS AND TREATMENT OF VEHICULAR EXHAUST GASES THEREWITH - Thermally stable, solid alumina-based compositions useful for the trapping of nitrogen oxides that are contained in gaseous fluids, notably in vehicular exhaust gases, are formed of alumina, cerium and a divalent metal M selected from among barium, strontium or an association of these two elements and which include at least 10% of the weight of element M expressed by weight of oxide in contrast to the total weight of the composition and also wherein the aluminate compound of the metal element M, i.e., MAl | 12-03-2009 |
| 20090274599 | CATALYTIC COMPOSITIONS COMPRISING THE OXIDES OF ZIRCONIUM, CERIUM, YTTRIUM, LANTHANUM AND OTHER RARE EARTHS - Catalytic compositions useful, e.g., for the treatment of internal combustion engine exhaust gases, are based on zirconium oxide in a weight proportion of at least 25%, from 15% to 60% of cerium oxide, from 10% to 25% of yttrium oxide, from 2% to 10% of lanthanum oxide and from 2% to 15% of another rare earth oxide, have a specific surface of at least 15 m | 11-05-2009 |
| 20090256115 | COLLOIDAL DISPERSIONS OF RARE-EARTH BORATES, PREPARATION THEREOF AND LUMINOPHORES PRODUCED THEREFROM - Colloidal dispersions of rare-earth borates include a liquid phase and borate colloids dispersed therein, these colloids having a mean hydrodynamic diameter of at most 200 nm and consisting essentially of elementary particles having a mean size of less than 100 nm; such dispersions are prepared by: (a) reacting a rare-earth oxide with a controlled amount of a water-soluble monovalent acid, having a pKa of from 2.5 to 5.0; (b) heating the medium thus obtained; (c) adding boric acid to the medium obtained and heating the resulting mixture; and (d) separating the solid product from the liquid medium thus obtained, and redispersing same in a liquid phase (the subject borates are useful luminophores, especially for the manufacture of luminescent transparent materials). | 10-15-2009 |
| 20090253609 | HYBRID COMPOUNDS BASED ON SILICONES, AND AT LEAST ONE OTHER MOLECULAR ENTITY, POLYMER OR OTHERWISE, ESPECIALLY OF THE POLYOL TYPE, METHOD FOR THE PREPARATION THEREOF, AND APPLICATIONS OF THE SAME - The invention relates to novel hybrid compounds comprising at least one silicone entity (Sil) in which at least one of the silicons of Sil is substituted by at least one unit—Ro-B, B being an entity of a variable nature, for example polymer, hydrocarbonated or mineral, selected from a group comprising polyols (e.g. saccharides), silicones, polyalkylene glycols, polyamides, polyesters, polystyrenes, alkyls, alkenyls, alkynyls or aryls, in addition to mineral materials such as silica and the combinations thereof. The bond Ro between the entity Sil and the entity B is obtained by means of “click chemistry” and corresponds to formula (II.1) or (II.2), Z representing a carbon atom or a nitrogen atom. Said hybrid components can be used as emulsifiers, especially for cosmetics. | 10-08-2009 |
| 20090241523 | LUBRICANT COMPOSITIONS COMPRISING COLLOIDAL DISPERSIONS OF RARE EARTH COMPOUNDS AND CATALYTIC COMBUSTION OF ENGINE EXHAUST SOOTS THEREWITH - Engines equipped with an exhaust line fitted with a particulate filter, in which the particulates contained in the exhaust gas are trapped on such filter, and wherein the trapped particulates are periodically burned off, are operated by improvedly catalyzing the combustion of said particles utilizing a composition containing mixture of a lubricating oil and a colloidal dispersion as the engine-lubricating composition, which dispersion includes particles of at least one compound of at least one rare earth and an amphiphilic agent. | 10-01-2009 |
| 20090221082 | Microfluidic Evaporators And Determining Physical And/Or Chemical Properties Of Chemical Compounds Therewith - Microfluidic devices having a membrane allowing evaporation are useful for conducting a measurement or observation of compounds introduced therein. | 09-03-2009 |
| 20090220398 | CATALYST COMPOSITIONS FOR THE TREATMENT OF VEHICULAR EXHAUST GASES COMPRISE ZIRCONIUM OXIDE AND CERIUM OXIDE, AND HAVE A HIGH REDUCIBILITY AND A STABLE SPECIFIC SURFACE AREA - Catalyst compositions for the treatment of vehicular exhaust gases are based on zirconium and cerium oxides, have a cerium oxide content of at most 50% by weight, a level of reducibility of at least 95% after calcination in air at 600°, and a specific surface area after calcination for 4 hours at 1100° of at least 15 m | 09-03-2009 |
| 20090214608 | POLYSACCHARIDE-BASED PRODUCTS WITH IMPROVED EASINESS OF USE, PROCESS TO MAKE THE SAME, AND APPLICATIONS OF THE SAME - This invention relates to water-soluble polysaccharide-based products that require less time and effort to incorporate into aqueous formulations, compared to existing polysaccharide products. This invention can be applied more particularly to cationic guar products to be used in cosmetic compositions. The product is in the form of granules and comprises a binding and/or dispersing agent and/or wetting agent. | 08-27-2009 |
