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Rhodia Operations

Rhodia Operations Patent applications
Patent application numberTitlePublished
20120035397PROCESS 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
20120035377ORGANOPHOSPHORUS 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
20120032113EUROPIUM, 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
20120029138Anti-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 (C02-02-2012
20120029092PRODUCT 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
20120025137CORE/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): La02-02-2012
20120021025AQUEOUS 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
20110306789PROCESS 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
20110300093COSMETIC 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
20110293918PRODUCING 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
20110293498METHOD FOR TREATING A GAS TO REDUCE THE CARBON DIOXIDE CONTENT THEREOF - The invention relates to a method for reducing the CO12-01-2011
20110288327PROCESS 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
20110288230METHOD 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
20110282040PREPARATION 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
20110274591PLANT 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
20110272634CERIUM 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
20110272632CERIUM 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
20110271460COMPOSITION 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
20110263898ETHER-AMIDE COMPOUNDS AND PREPARATION AND USES THEREOF - Novel ether-amide compounds having the formula R10-27-2011
20110262647TREATMENT 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
20110257333Expandable 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 A10-20-2011
20110256085RHEOLOGY 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
20110251341REINFORCED 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
20110245450MODIFIED 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
20110244116SELECTIVE 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
20110243873Rheology modifier polymer - A polymer includes (a) one or more first monomeric units, each independently comprising at least one bicycloheptyl-polyether, bicycloheptenyl-polyether or branched (C10-06-2011
20110243829METHOD OF DECOMPOSING N20 USING A CATALYST BASED ON A CERIUM LANTHANUM OXIDE - A method for decomposing N10-06-2011
20110241249COMPOSITE 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
20110230681METHOD 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
20110230674METHOD 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
20110230565NOVEL 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
20110225897LIQUID 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
20110223125COMPOSITIONS 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 (C09-15-2011
20110210050FORMULATION 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
20110206583CATALYST 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
20110197664METHOD AND APPARATUS FOR DETERMINING THE INTERFACIAL TENSION BETWEEN TWO LIQUIDS - The interfacial tension between two liquids is determined by: flowing an internal liquid (L08-18-2011
20110195889COPOLYMER 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 units08-11-2011
20110178227NOVEL 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 (S07-21-2011
20110172136DETERGENT 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
20110166385METHOD 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
20110166376PREPARATION 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
20110166025ESTERAMIDE 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
20110166014Composition 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
20110162525TREATMENT OF GASES TO REDUCE THE CARBON DIOXIDE CONTENTS THEREOF - A method for processing a CO07-07-2011
20110160407NOVEL 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
20110144248Methods 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
20110143972Scale 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
20110137001COPOLYMER 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
20110133124SUSPENSIONS 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
20110130321HEAT-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
20110118499PREPARATION 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
20110112202HYDRODENITROGENATION 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
20110092634POLYMERIC 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
20110088728Auto-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 C04-21-2011
20110086966POLYAMIDE 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
20110082310PRODUCTION 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
20110071308PROCESS 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
20110068303SUBMICRONIC 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
20110065955Method 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
20110054042Polymer compositions - A composition contains an incompletely hydrated water soluble polymer suspended in a liquid medium.03-03-2011
20110053763CATALYST 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
20110049428AQUEOUS 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
20110040025Block 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
20110039749Methods 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 C02-17-2011
20110034724METHOD 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
20110034693PREPARATION 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
20110033352CATALYST/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 m02-10-2011
20110021804PRODUCTION 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
20110015071Agricultural 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
20110011414HIGHLY 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
20110009269HERBICIDAL 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
20110005915METHOD 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
20110003936Soil 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
20100279911ANTI-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
20100279134Process 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
20100273994HYBRID 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
20100273697COPOLYMER 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
20100273695Ink 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 C10-28-2010
20100247411HIGHLY 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
20100247407HIGHLY 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
20100240822POLYMER 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
20100210724Method 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 A08-19-2010
20100210485Oil 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
20100204068Methods 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
20100140531USE 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
20100093874COPOLYMER 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
20100081281Abrasive 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
20100072431ELECTRICALLY 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
20100069272ENHANCED 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
20100058845CRYSTALLIZATION 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
20100056823PREPARATION 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
20100051868LUMINOPHORES 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
20100048738HYBRID 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
20100040523HIGH 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 m02-18-2010
20100022789Catalytic 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
20100004152Synthetic 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
20090326260Conversion 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
20090312502Method 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
20090306297PROCESS 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 (A12-10-2009
20090305048Process 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
20090304757Cosmetic 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
20090297416ALUMINA-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., MAl12-03-2009
20090274599CATALYTIC 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 m11-05-2009
20090256115COLLOIDAL 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
20090253609HYBRID 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
20090241523LUBRICANT 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
20090221082Microfluidic 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
20090220398CATALYST 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 m09-03-2009
20090214608POLYSACCHARIDE-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
20090156439LUBRICANT COMPOSITIONS COMPRISING COLLOIDAL DISPERSIONS OF IRON AND TREATMENT OF ENGINE EXHAUST GASES THEREWITH - Lubricant compositions contain a blend of a lubricating oil and a colloidal dispersion of particles of at least one iron compound and an amphiphilic agent; such compositions are useful for operating an engine, more particularly a diesel engine, which is equipped with an exhaust system fitted with a particle filter, wherein the particles present in the exhaust gases are trapped on the filter and, periodically, the trapped particles are burned, and further wherein the subject compositions are employed as engine lubricants with a view to catalyzing the combustion of the trapped particles.06-18-2009
20090104452POLYISOCYANATE COATING COMPOSITIONS CROSS-LINKABLE INTO ENHANCED ANTI-SHOCK COATINGS - Polyisocyanate coating compositions, the polyisocyanates of which include dimer structural units (patterns) and imino-trimer structural units (patterns), are converted, via cross-linking, into useful such coatings as paints or varnishes having enhanced shock-resistant properties, notably chip-resistant properties for vehicle body parts.04-23-2009
20090076240COMPOUNDS HAVING ISOCYANATE FUNCTIONAL GROUP SUBSTITUENTS AND COATING COMPOSITIONS COMPRISED THEREOF - Novel compounds having an average isocyanate functionality of greater than 2 are synthesized by the reaction of a (poly)isocyanate having an average functionality of greater than 2, with a compound X comprising a function B(H)03-19-2009
20090018018HERBICIDAL COMPOSITION COMPRISING AMINOPHOSPHATE OR AMINOPHOSPHONATE POTASSIUM SALT - The present invention relates to herbicidal compositions comprising aminophosphate or aminophosphonate salts, particularly to herbicidal compositions comprising an aminophosphate or aminophosphonate potassium salt. Preffered 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 salts.01-15-2009
20080319220Preparation of Both Hexamethylene Diamine and Aminocapronitrile - Hexamethylenediamine and aminocapronitrile are simultaneoussly produced by hemihydrogenation of adiponitrile, which includes a stage of separation of the hexamethylenediamine from the hydrogenate by distillation of the hexamethylenediamine, the distillation of the hexamethylenediamine being carried out from the hydrogenate containing a free acid and/or an alkali metal or ammonium acid salt, whereby a top fraction A recovered at the column top of the stage of distillation of the hexamethylenediamine is essentially crude hexamethylenediamine and a small amount of THA; the amount of THA (tetrahydroazepine) present in the crude hexamethylenediamine constitutes a small proportion of the THA present in the hydrogenate.12-25-2008
20080306281NOVEL COMPOUNDS COMPRISING A THIOCARBONYL-SULFANYL GROUP WHICH CAN BE USED FOR THE RADICAL SYNTHESIS OF ALPHA-PERFLUOROALKYLAMINE COMPOUNDS - The invention relates to compounds having the general formula (I), the method of preparation thereof and the use thereof in organic radical synthesis. The invention also relates to compounds having the formula (II), the method of preparation thereof and a method for preparing compounds having the formula (VIII).12-11-2008

Patent applications by Rhodia Operations