AKZO NOBEL N.V. Patent applications |
Patent application number | Title | Published |
20150307631 | PROCESS TO PREPARE CROSSLINKED CELLULOSE ETHERS, CROSSLINKED CELLULOSE ETHERS OBTAINABLE BY SUCH PROCESS AND THE USE THEREOF - The invention relates to a dry or slurry process to prepare phosphate-crosslinked cellulose ethers from a cellulose starting material comprising the steps of adding an alkalizing agent to the cellulose starting material to achieve mercerization, adding an ethehfying agent to the reaction mixture to achieve etherification of the cellulose, and adding a crosslinking agent to the reaction mixture to achieve crosslinking of the cellulose, wherein at least part of the alkalizing agent is added to the cellulose starting material before the etherification and/or crosslinking reactions take place to obtain alkalized cellulose; the crosslinking agent and the etherifying agent are added one after the other in random order or simultaneously; the crosslinking agent is an alkali metal thmetaphosphate; and the crosslinking and etherification steps are performed at an elevated temperature. Additionally, the invention relates to crosslinked cellulose ethers obtainable by the above process having a viscosity and/or water absorption capacity higher than their non-crosslinked equivalents and the use thereof. | 10-29-2015 |
20150057467 | PROCESS TO PREPARE ETHYLENE AMINES - Process to prepare ethylene amines by the amination of ethylene oxide, ethylene glycol or ethanolamine in the presence of a catalyst, including a step wherein methylamine and ethylamine are removed from the reaction effluents, wherein the methylamine and the ethylamine are adsorbed onto or absorbed by absorbents and adsorbents (absorption/adsorption) and wherein the absorption/adsorption takes place in the liquid phase or in the gas phase. | 02-26-2015 |
20150007956 | Silica-Based Sols - The invention relates to a sol containing silica-based particles having an axial ratio of at least about 10 and specific surface area of at least about 600 m2/g. The invention further relates to a sol containing silica-based particles having an axial ratio of at least about 10 and S-value up to about 25. The invention further relates to a sol containing silica-based particles having an axial ratio of at least about 10 and a specific surface area of at least about 400 m2/g, wherein the silica-based particles are surface-modified. The invention further relates to a sol containing silica-based particles having a viscosity of at least 50 cP and silica content of at least about 3% by weight, wherein the silica-based particles have a specific surface area of at least about 400 m2/g. The invention further relates to a process for producing the aqueous silica-based sol according to the invention, a sol containing silica-based particles obtainable by the process, use of the sol containing silica-based particles as a flocculating agent. The invention further relates to a process for producing paper in which the sol containing silica-based particles is used as a drainage and retention aid. | 01-08-2015 |
20140378309 | GEL PREVENTION AGENTS - Gel prevention agents and methods for use with agricultural products include certain alkylamidoamines and their quaternary ammonium counterparts that, when blended with products containing alkoxylated surfactants, the alkylamidoamines and their quaternary counterparts reduce the gel formation tendency of such products. | 12-25-2014 |
20140318727 | PROCESS FOR THE PRODUCTION OF PAPER - The present invention relates to a process for producing paper which comprises:
| 10-30-2014 |
20140316029 | PROCESS FOR PRODUCTION OF POWDER REDISPERSIBLE IN WATER AND USE THEREOF - The present invention relates to a process for the production of powders redispersible in water comprising an organic component and a water-soluble organic polymeric protective colloid. The organic component is dispersed and stabilized with the protective colloid in water to form a stable dispersion which is dried to form the powder redispersible in water. The organic component comprises abietic acid, sylvic acid, neoabietic acid, levopinaric acid, pimaric acid, isopimaric acid and/or palustric acid and/or their derivatives. The water-soluble organic polymeric protective colloid comprises synthetic protective colloids and naturally and/or synthetically produced biopolymer which can be synthetically modified. The obtained powder reduces efflorescence in hydraulically set systems. | 10-23-2014 |
20140256998 | ADDITIVE FOR PRESERVING THE FLUIDITY OF FLUIDS CONTAINING GAS HYDRATES - Anti-agglomerants for gas hydrates, comprising alkoxylated and/or acylated non-quaternary nitrogen-containing compounds, method for inhibiting the agglomeration of gas hydrates in a conduit, and compositions comprising the gas hydrate anti-agglomerant, a corrosion inhibitor and/or a paraffin deposition inhibitor. | 09-11-2014 |
20140179953 | Process to prepare ethylene amines - The present invention relates to a process to prepare ethylene amines by the amination of ethylene oxide, ethylene glycol or ethanolamine in the presence of a catalyst, comprising a step wherein methylamine and/or ethylamine are removed from the reaction effluents. | 06-26-2014 |
20140174683 | PROCESS FOR THE PRODUCTION OF PAPER - The present invention relates to a process for producing paper which comprises: (i) providing an aqueous suspension comprising cellulosic fibres, (ii) adding to the suspension after the last point of high shear subsequent a centri-screen: (a) a first anionic component which is a water-soluble anionic anionic polysaccharide; (b) a second anionic component which is a water-dispersible or branched acrylamide-based polymer; and (c) a third anionic component which is an anionic siliceous material comprising an anionic silica-based polymer comprising anionic silica-based particles having a specific surface area within the range of from 100 to 1700 m2/g (iii) dewatering the obtained suspension to form paper. | 06-26-2014 |
20130336907 | HIGH VISCOSITY HEAT-TREATED XANTHAN GUM - The present invention is directed to heat treated xanthan gums, which have improved solution viscosity over other xanthan gums heat-treated under the same processing conditions while maintaining the improved ease of use and the short, non-stringy gel texture of heat treated xanthan gums. Such high solution viscosity xanthan gums are suitable in a variety of applications, including cosmetic and personal care compositions. | 12-19-2013 |
20130269894 | Process for the production of paper - The present invention relates to a process for producing paper which comprises: providing an aqueous suspension comprising cellulosic fibres, adding to the suspension, after all points of high shear, a cationic polysaccharide; an inorganic polymer P1 being a cationic polyaluminium compound; and a polymer P2 being an anionic polymer; and, dewatering the obtained suspension to form paper. | 10-17-2013 |
20130239850 | Asphalt modifiers for "warm mix" applications including adhesion promoter - The present invention generally relates to an additive package for warm-mix asphalt formulations for the pavement of road surfaces, said additive package comprising a) surfactant component, and b) an asphalt rheology modifying component, wherein said asphalt rheology modifying component comprises at least one of a i) a wax component and ii) a resin component. The invention also relates to a warm mix asphalt having improved compaction at lower temperatures, and to a pavement made from said warm mix asphalt. | 09-19-2013 |
20130233543 | Nitrogen-containing compounds as corrosion inhibitors - The present invention relates to nitrogen-containing hydroxyethyl substituted compounds to be used as corrosion inhibitors for metal surfaces, for example in aqueous systems and in particular in oil-field applications, e.g. in oil or gas wells, and which could be used under sweet-well conditions as well as under sour-well conditions. It may also be used in oil-field acidizing and fracture-acidizing well stimulation treatment. The compounds belong to the group of partly ethoxylated fatty alkylamines, partly ethoxylated alkyletheramines and partly or fully hydroxyethyl substituted alkylamidopropylamines. The corrosion inhibitors have the formula (I) where R is a hydrocarbyl or an acyl group having 14-24 carbon atoms, or the group R′OCH | 09-12-2013 |
20130220867 | Packaged peroxide formulation - A packaged peroxide formulation comprising a container and a liquid peroxide formulation, wherein said container has a volume of at least 50 litres and a vent area/volume ratio of at least 20·10 | 08-29-2013 |
20130219775 | Polymeric imides as pour point depressant additives for oil compositions - The present invention generally relates to oil compositions, primarily to fuel oil and petroleum compositions produced there from susceptible to wax formation at low temperatures, to polymeric imides for use with such fuel oil compositions, and to methods for their manufacture. | 08-29-2013 |
20130190181 | SYNERGISTIC BLENDS OF (ALKYL) NAPHTHALENE FORMALDEHYDE CONDENSATE SULFONATES AND LIGNOSULFONATES USEFUL IN AGROCHEMICAL FORMULATIONS - The invention generally relates to a synergistic co-spray dried blend of (alkyl) naphthalene formaldehyde condensate sulfonates and lignosulfonates. This co-spray dried blend is useful as a dispersant in useful in agrochemical formulations. | 07-25-2013 |
20130186302 | Adhesion and cohesion modifiers for asphalt - The present invention relates to a bitumen or asphalt formulation for the pavement of road surfaces, said formulation comprising a mixture of bitumen and aggregates, and an additive package evenly distributed therein, said additive package comprising from about i) 10 to 60% by weight of an amine or modified amine surfactant, ii) from about 20 to 90% of an asphalt rheology modifying component. | 07-25-2013 |
20130137799 | Graft copolymers - Anionic graft copolymers and scale inhibition compositions including the anionic graft copolymers in which the anionic graft copolymers include a natural component grafted with an ethylenically unsaturated anionic monomer where the anionic graft copolymer includes 1 or more reacted anhydroglucose units per every 100 anhydroglucose units in the anionic graft copolymer. | 05-30-2013 |
20130133848 | CELLULOSIC PRODUCT - The present invention relates to a process of producing a cellulosic product comprising (i) providing an aqueous suspension of cellulosic fibers, (ii) adding microfibrillar polysaccharide, (iii) adding thermoplastic microspheres, (iv) dewatering the suspension and forming a cellulosic product. The invention also relates to a process of producing a single layer cellulosic product comprising (i) providing an aqueous suspension of cellulosic fibers, (ii) adding microfibrillar polysaccharide derived from softwood and/or hardwood and optionally adding thermoplastic microspheres to the suspension, (iii) dewatering the suspension and forming a cellulosic product. The invention further relates to a cellulosic product obtainable from said processes. The invention also relates to a composition comprising microfibrillar polysaccharide and thermoplastic microspheres and the use thereof. | 05-30-2013 |
20130116163 | USE OF QUATERNARY AMMONIUM COMPOUND AS A HYDROTROPE AND A COMPOSITION CONTAINING THE QUATERNARY AMMONIUM COMPOUND - The present invention relates to the use of an alkyl di(lower alkyl)mono(polyoxyethylene) quaternary ammonium compound as a hydrotrope in 5 aqueous solutions for a nonionic surfactant, preferably a C8-C18-alcohol alkoxylate containing 1-20 ethyleneoxy units and 0-5 propyleneoxy units. It also relates to a composition comprising said quaternary ammonium compound and said nonionic surfactant. The cationic surfactant has the formula 10 R2+R(1)N(CH2CH2O)n H X R1 wherein R═C6-C22 alkyl; R1 and R2 are independently a C1-C4 alkyl group; n=8-25; and X— is an anion. The compositions may be used for the cleaning of hard surfaces, for example for vehicle cleaning or machine dishwashing. | 05-09-2013 |
20130116120 | ALKOXYLATED ALKYLAMINES/ALKYL ETHER AMINES WITH PEAKED DISTRIBUTION - The present invention relates to processes for preparation of alkoxylated alkyl amines or alkoxylated alkyl ether amines with peaked distribution, surfactants comprising alkoxylated alkyl amines or alkoxylated alkyl ether amines with peaked distribution, and stable herbicidal formulations comprising alkoxylated alkyl amines or alkoxylated alkyl ether amines with peaked distribution. | 05-09-2013 |
20130053285 | DRAG-REDUCING AGENT FOR USE IN INJECTION WATER AT OIL RECOVERY - A drag-reducing agent in an amount of 50-400 ppm in water having an electrolyte content of 0.01-7% by weight includes two zwitterionics, each including acyl containing surfactant and an anionic surfactant, where the hydrophilic group is a sulphate, a sulphonate or an ether sulphate. The water containing the drag-reducing agent is suitable to be used in injection water at oil recovery. | 02-28-2013 |
20130005578 | AGROCHEMICAL COMPOSITIONS CONTAINING NAPHTHALENE SULFONATE DERIVATIVES AND NITROGEN-CONTAINING SURFACTANTS - The present invention relates to a composition comprising
| 01-03-2013 |
20120309882 | ANTI-FOULING COMPOSITIONS WITH A FLUORINATED ALKYL- OR ALKOXY- CONTAINING POLYMER OR OLIGOMER - An anti-fouling composition which comprises a cured or cross-linked polymer free of perfluoropolyether moieties and a fluid fluorinated alkyl- or alkoxy-containing polymer or oligomer. Preferably, the fluorinated alkyl- or alkoxy-containing polymer or oligomer comprises a repeating unit of the general formula: | 12-06-2012 |
20120264861 | POWDER REDISPERSIBLE IN WATER, PROCESS FOR PRODUCTION THEREOF AND USE THEREOF - The present invention relates to a process for the production of powders redispersible in water comprising an organic component and a water-soluble organic polymeric protective colloid. The organic component is dispersed and stabilized with the protective colloid in water to form a stable dispersion which is dried to form the powder redispersible in water. The organic component comprises abietic acid, sylvic acid, neoabietic acid, levopinaric acid, pimaric acid, isopimaric acid and/or palustric acid and/or their derivatives. The water-soluble organic polymeric protective colloid comprises synthetic protective colloids and naturally and/or synthetically produced biopolymer which can be synthetically modified. The obtained powder reduces efflorescence in hydraulically set systems. | 10-18-2012 |
20120237462 | Aqueous Composition For Cosmetics And Cosmetic Including the Same - An aqueous composition, for alleviating at least one problem that conventional aqueous cosmetic compositions, includes (A) at least one selected from the group consisting of a cross-linked product of a hydroxyalkyl modified starch with a carbon number of 2 to 5, a cross-linked product of a hydroxyalkyl modified starch with a carbon number of 2 to 5 and an acyl modified starch with a carbon number of 2 to 18 and a cross-linked product of an acyl modified starch with a carbon number of 2 to 18; and (B) a water-soluble polymer material. When the water-soluble polymer material (B) is an association type poly(meth)acrylate polymer, a nonionic or cationic cellulose polymer, a poly(meth)acrylic acid polymer or xanthan gum, the aqueous composition exhibits excellent viscosity increase ratio and temporal stability. | 09-20-2012 |
20120186765 | PROCESS FOR THE PRODUCTION OF PAPER - The present invention relates to a drainage and retention aid composition which comprises:
| 07-26-2012 |
20120184685 | PACKAGED PEROXIDE FORMULATION - A packaged peroxide formulation comprising a container and a liquid peroxide formulation, wherein said container has a volume of at least 50 litres and a vent area/volume ratio of at least 20·10 | 07-19-2012 |
20120156125 | PROCESS FOR THE PRODUCTION OF CHLORINE DIOXIDE - Process for the continuous production of chlorine dioxide comprising generating chlorine dioxide in an aqueous reaction medium in a reaction vessel ( | 06-21-2012 |
20120134942 | Hybrid copolymer compositions for personal care applications - A personal care composition includes a hybrid copolymer including at least one ethylenically unsaturated monomer and a naturally derived hydroxyl containing chain transfer agent as an end group, a hybrid synthetic copolymer including one or more synthetic polymers derived from the at least one ethylenically unsaturated monomer with at least one initiator fragment as an end group and an effective amount of a cosmetic or personal care additive. | 05-31-2012 |
20120128608 | Hybrid copolymer compositions - Hybrid copolymer compositions include a hybrid copolymer including at least one ethylenically unsaturated monomer and a naturally derived hydroxyl containing chain transfer agent as an end group; and a hybrid synthetic copolymer including one or more synthetic polymers derived from the at least one ethylenically unsaturated monomer with at least one initiator fragment as an end group. The hybrid copolymer composition may be prepared as a scale inhibiting composition. Methods of preparing a hybrid copolymer are also included. | 05-24-2012 |
20120061866 | OPACIFYING POLYMERS - A self-stabilizing dispersion composition having a copolymer having at least one polymerizable acid-containing moiety, wherein the at least one acid-containing moiety is at least partially neutralized before or during polymerization, and at least one hydrophobic moiety. A process for producing such compositions is also provided, as well as a process for encapsulating water-insoluble actives in such copolymers. | 03-15-2012 |
20120040830 | HERBICIDAL FORMULATIONS COMPRISING GLYPHOSATE AND ALKOXYLATED GLYCERIDES - The present invention generally relates to herbicidal compositions, and more particularly, herbicidal compositions containing glyphosate or a salt thereof and a surfactant comprising at least one mono and/or diglyceride alkoxylate. | 02-16-2012 |
20120022203 | PROCESS FOR PREPARING A POLYMER DISPERSION AND A POLYMER DISPERSION - The present invention relates to a process for preparing a polymer dispersion comprising polymerising one or more water soluble anionic monomers (m | 01-26-2012 |
20120004432 | PROCESS FOR THE CATALYTIC HALOGENATION OF A DIOL - The present invention relates to a process for the catalytic halogenation of an organic compound comprising at least one vicinal diol moiety, said process comprising a step of bringing the organic compound comprising at least one vicinal diol moiety into contact with a hydrogen halide in the presence of a catalyst, characterized in that the catalyst is an organic compound comprising a β-diketone moiety or a β-keto aldehyde moiety. | 01-05-2012 |
20120004147 | COATED PARTICLES OF A CHELATING AGENT - The present invention relates to a coated particle including a particle including at least one chelating agent of the formula COOH—CHX—N—(CH | 01-05-2012 |
20110303549 | PROCESS FOR PRODUCING CHLORINE, CAUSTIC SODA, AND HYDROGEN - The invention provides a process for producing chlorine, alkaline metal hydroxide, and hydrogen which comprises the following steps: (a) preparing a brine by dissolving an alkaline metal chloride source in water; (b) removing alkaline precipitates from the brine prepared in step (a) in the presence of hydrogen peroxide by means of a filter of active carbon, and recovering the resulting brine; (c) subjecting at least part of the resulting brine as obtained in step (b) to an ion-exchange step; (d) subjecting at least part of the brine as obtained in step (c) to a membrane electrolysis step; (e) recovering at least part of the chlorine, alkaline metal hydroxide, hydrogen, and brine as obtained in step (d); (f) subjecting at least part of the brine as recovered in step (e) to a dechlorination step; and (g) recycling at least part of the dechlorinated brine obtained in step (f) to step (a). | 12-15-2011 |
20110297049 | POWDER TO REDUCE SHRINKAGE OF MINERALLY BINDING MATERIALS - This invention relates to a powder comprising a carrier material which is in powdery form and selected from the group consisting of a water-soluble polymer, a water-insoluble polymer, and an inert inorganic material, and a mixture containing at least about 5 wt. % of a compound having the formula (1-a) and at least about 5 wt. % of a compound having the formula (1-b), HO—(R | 12-08-2011 |
20110294899 | DEFOAMER COMPOSITION COMPRISING ALKOXYLATED 2-PROPYLHEPTANOL - The present invention relates to defoaming compositions comprising compounds having the formula C | 12-01-2011 |
20110247774 | SILICA-BASED SOLS - The present invention relates to a silica-based sol having a concentration of soluble silica of less than about 1000 mg SiO | 10-13-2011 |
20110247773 | PROCESS FOR THE PRODUCTION OF PAPER - The present invention relates to a process for producing paper which comprises:
| 10-13-2011 |
20110247699 | Use of a zwitterionic surfactant together with an anionic ether-containing surfactant as a drag-reducing agent - The present invention relates to the use of a zwitterionic surfactant in combination with an ether sulphate or ether carboxylate surfactant in a water-based system as a drag-reducing agent. The combination has besides a high drag-reducing effect also a low sensitivity to hard water. | 10-13-2011 |
20110230354 | GEL PREVENTION AGENTS - Gel prevention agents and methods for use with agricultural products include certain alkylamido amines and their quaternary ammonium counterparts that, when blended with products containing alkoxylated surfactants, the alkylamido amines and their quaternary counterparts reduce the gel formation tendency of such products. | 09-22-2011 |
20110226674 | Mixture of collectors for flotation of clay minerals from potash ores - The invention relates to a flotation process for removal of slimes from potash ores which includes a step in said process wherein a collector is used which is a mixture of ethoxylated fatty amines having the formulae (I) wherein R1 and R2 are, independently, a hydrocarbyl group having 1-22 C-atoms, and n is on average above 15 and less than 100, and (II) wherein R3 is a hydrocarbyl group having 8-22 carbon atoms; z is a number 1-3; X, Y and Y′ are, independently, an alkyl group with 1-4 carbon atoms or the group -(EO) | 09-22-2011 |
20110214257 | SODIUM CHLORIDE PRODUCTION PROCESS - The present invention pertains to a process for producing sodium chloride comprising the steps of: (i) preparing a brine having a sodium chloride concentration which is higher than the sodium chloride concentration of the eutectic point but lower than the sodium chloride concentration of a saturated brine by dissolving a sodium chloride source in water; (ii) cooling the resulting brine by indirect cooling in a self-cleaning fluidized bed heat exchanger/crystallizer to a temperature lower than 00 C but higher than the eutectic temperature of the resulting brine, thereby forming a slurry comprising sodium chloride dihydrate and a mother liquor; (iii) feeding the sodium chloride dihydrate to a recrystallizer to form sodium chloride and a mother liquor, and (iv) recycling at least part of the mother liquor obtained in step (ii) and/or step (iii) to step (i). | 09-08-2011 |
20110203756 | MICROSPHERES - The invention relates to thermally expandable thermoplastic microspheres comprising a polymer shell made from ethylenically unsaturated monomers encapsulating a propellant, said ethylenically unsaturated monomers comprising from 40 to 70 wt % of acrylonitrile, from 5 to 40 wt % of methacrylonitrile, from 10 to 50 wt % of monomers selected from the group consisting of esters of acrylic acid, esters of methacrylic acid and mixtures thereof, and said propellant comprising at least one of methane, ethane, propane, isobutane, n-butane and neo-pentane. The invention further relates to the production and use of the microspheres. | 08-25-2011 |
20110203487 | POWDER TO HYDROPHOBISE AND ITS USE - The present invention relates to the use of a solid comprising at least one organosilane and a carrier material to hydrophobise mortars, wherein the organosilane has the formula R | 08-25-2011 |
20110196047 | SILICA-BASED SOLS - A process for the production of an aqueous sol containing silica-based particles which comprises (a) acidifying an aqueous silicate solution to a pH of from 1 to 4 to form an acid sol; (b) alkalising the acid sol at an SiO | 08-11-2011 |
20110182800 | PROCESS FOR THE PRODUCTION OF CHLORINE DIOXIDE - The invention relates to a process for the production of chlorine dioxide comprising forming chlorine dioxide in a reaction medium in a reaction vessel and withdrawing chlorine dioxide as a gas from the reaction medium in the reaction vessel, the process further comprising adding chlorine dioxide to at least one raw material used in the process. The invention further relates to the use of chlorine dioxide for the reduction of the amount of chlorinated aromatic compounds occurring in a process for the production of chlorine dioxide. | 07-28-2011 |
20110168208 | METHOD OF CLEANING OIL CONTAMINATED SOLID PARTICULATES - The present invention generally relates to a process for the cleaning oil contaminants from solid particulates. The invention also relates to a process and a surfactant composition for cleaning oil contaminated solids, such as cuttings, from oil and gas well drilling operations, and the separation and recovery of the oil from solid particulates. | 07-14-2011 |
20110166235 | VISCOELASTIC SYSTEM FOR DRIFT REDUCTION - The invention relates to a viscoelastic system for drift reduction for pesticidal formulations, and the use thereof, wherein said formulation comprising at least one nitrogen-based cationic surfactant and at least one pesticide, wherein said pesticide contains at least one acid functional group associating with said cationic surfactant thereby forming a viscoelastic formulation. | 07-07-2011 |
20110160363 | FLAME RETARDANT POLYOLEFIN COMPOSITION - Composition comprising at least one polyolefin, tris-dibromopropyl isocyanurate, and 0.05-2 phr of at least one free radical initiator, said initiator being selected from the group consisting of organic peroxides, C—C initiators, and N—N initiators. This composition makes it possible to obtain very good flame retardancy with much lower amounts of synergist than known compositions. What is more, a synergist is not even required to obtain sufficient flame retardancy. | 06-30-2011 |
20110139714 | PROCESS FOR REDUCING BULKING SLUDGE IN ACTIVATED SLUDGE WASTEWATER TREATMENT - The present invention pertains to a process for reducing the bulking sludge in an activated sludge plant for wastewater treatment wherein an iron(ll) or iron(lll) salt and at least one fatty amine or fatty amine derivative are used, and to compositions comprising the iron(ll) or iron(lll) salt and one or more fatty amines and/or fatty amine derivatives. | 06-16-2011 |
20110136989 | POLYETHERAMIDE COMPOSITIONS - Ethanol soluble or dispersible polyetheramide polymers that have a percent elongation to break of less than 100%. The polymers are formed from a reaction mixture comprising at least one or more poly(alkyleneoxy) diamines and one or more diacids. The reaction mixture can optionally include one or more aliphatic diamines in addition to the one or more poly(alkyleneoxy) diamines. The polyetheramide polymers have application in personal care compositions such as hair fixative compositions, for example, hair spray formulations. | 06-09-2011 |
20110136718 | HYBRID COPOLYMERS - Hybrid copolymers for use as anti-scalant and dispersant. The polymers are useful in compositions used in aqueous systems. The polymers include at least one synthetic monomeric constituent that is chain terminated by a naturally occurring hydroxyl containing moiety. A process for preparing these hybrid copolymers is also provided. | 06-09-2011 |
20110133128 | COATED PARTICLES - The invention relates to coated particles comprising a core material and a shell and wherein said core material is an organic compound and wherein said shell comprises a layered double hydroxide comprising a hydroxide or an organic anion as charge-balancing anion. | 06-09-2011 |
20110129409 | SODIUM CHLORIDE PRODUCTION PROCESS - The present invention pertains to a process for producing sodium chloride comprising the steps of (i) preparing a brine comprising at least 150 g/l of sodium chloride by dissolving a sodium chloride source in water, (ii) subjecting the resulting brine to a eutectic freeze crystallization step by indirect cooling of said brine, resulting in the formation of ice, sodium chloride dihydrate, and a mother liquor, (iii) separating the sodium chloride dihydrate formed in step (ii) from the ice and optionally mother liquor at the eutectic temperature, such that a sodium chloride dihydrate-rich stream is formed, and (iv) feeding said sodium chloride dihydrate-rich stream to a recrystallizer to form sodium chloride and a mother liquor. | 06-02-2011 |
20110126995 | METHOD FOR PRODUCTION OF PAPER - The present invention relates to a method for the production of paper from a suspension containing cellulosic fibers comprising adding to the suspension and/or to a formed paper prepared from the cellulosic suspension i) a nitrogen-containing organic compound separately and/or in conjunction with, ii) an aqueous dispersion of an acid anhydride and iii) at least one shading dye, draining the suspension on a wire to form a paper. | 06-02-2011 |
20110123565 | Structural Proteins of Fish Pancreatic Disease Virus and Uses Thereof - The present invention relates to the structural proteins of the causative agent of Pancreatic Disease in fish, nucleotide sequences encoding said proteins, vaccines comprising said proteins or nucleotide sequences and diagnostic kits comprising said proteins or nucleotide sequences. | 05-26-2011 |
20110121242 | MASTERBATCH FOR ELECTROCONDUCTIVE THERMOPLASTIC POLYMER, PROCESS TO PREPARE SUCH MASTERBATCH, AND THE USE THEREOF - The present invention provides a process to prepare a masterbatch comprising more than 0 wt % and up to 70 wt % carbon black with a DBP absorption of at least 200 ml/100 g and a thermoplastic polymer and, optionally, further additives, comprising the steps of mixing in random order successively or simultaneously, at an elevated temperature, a liquid medium, carbon black, and thermoplastic polymer, and, optionally, the additives, wherein the liquid medium is ultimately present in an amount of more than 0 wt % and up to 80 wt % on the total weight of carbon black and thermoplastic polymer; subsequently cooling and pelletizing the composition; separating off the liquid medium by extraction with a solvent; and drying the composition. Additionally provided are a masterbatch suitable for preparing an electroconductive thermoplastic polymer composition and a process to prepare an electroconductive thermoplastic polymer composition. | 05-26-2011 |
20110118121 | NOVEL SOLVENTS FOR 2,4-D ACID AND ACID PLANT GROWTH REGULATORS - The invention relates to a method of solubilizing a plant growth regulating agent, and method comprising contacting said agricultural active with a solubilizing effective amount of at least one solubilizing agent, wherein said solubilizing agent comprises at least one alkyl quaternary ammonium surfactant, or at least one alkoxylated quaternary ammonium surfactant, or a mixture thereof. Plant growth regulating formulations are also claimed. | 05-19-2011 |
20110111961 | SURFACTANT BLENDS USEFUL IN AGRICULTURE - The present invention teaches a surfactant blend composition of at least one nonionic alkoxylate and at least one sugar-based surfactant, and its use as an adjuvant for pesticides. The pesticidal composition employing the surfactant blend composition of the invention realizes an efficacy that is unexpectedly superior to similar pesticidal compositions which employ only the individual surfactant components. The composition of the present invention is useful as a tank side additive, or as a component in herbicidal formulations. In addition the compositions of the present invention are useful as adjuvants for other pesticides, such as, fungicides, insecticides, plant growth regulators, acaracides and the like. | 05-12-2011 |
20110104812 | PROCESS FOR TREATING POLYMERS CONTAINING RESIDUAL CATALYST - Process for thermally stabilizing a polymer containing residues of a Sn(II), Sb(III), Pb(II), Bi(III), Fe(II), Ti(II), Ti(III), Mn(II), Mn(III), or Ge(II)-containing catalyst by treating the polymer at a temperature above its melting temperature with a peroxide selected from the group consisting of ketone peroxides, hydroperoxides, peracids, hydrogen peroxide, and mixtures thereof, wherein said peroxide is used in an amount less than 0.2 wt % based on the weight of the polymer and wherein the molar ratio of peroxy functionalities from said peroxide (p) to metal (M) ranges from 1 to 100; said metal (M) being selected from the group consisting of Sn(II), Sb(III), Pb(II), Bi(III), Fe(II), Ti(II), Ti(III), Mn(II), Mn(III), and Ge(II). The invention further relates to a method for determining the metal residue content of a polymer. | 05-05-2011 |
20110104378 | REDISPERSIBLE POLYMER POWDER - The present invention pertains to a water-redispersible polymer powder based on at least one modified natural latex. The modified natural latex can be obtained by mixing natural latex with at least one radical initiator and/or oxidising agent, by mixing and reacting natural latex with at least one olefinically unsaturated monomer and with at least one radical initiator, and/or by mixing natural latex with at least one filler. Preferably, the polymer powder contains up to about 95 wt. % of least one natural latex, about 0 to 50 wt. % of at least one protective colloid, about 2 to 70 wt. % of at least one filler and/or anti-caking agent, as well as optionally further additives. In addition, the invention pertains to a process for the preparation of the polymer powder, the use thereof as an additive in building material compositions, as well as building material compositions containing the polymer powder. | 05-05-2011 |
20110104377 | REDISPERSIBLE POLYMER POWDER COMPOSITION - The present invention pertains to a water-redispersible polymer powder composition based on at least one synthetic polymer and at least one natural latex. Preferably, the polymer powder contains up to about 90 wt. % of at least one water-insoluble, synthetic polymer, up to about 90 wt. % of least one natural latex, about 0 to 50 wt. % of at least one protective colloid, about 2 to 50 wt. % of at least one filler and/or anti-caking agent, as well as optionally further additives. In addition, the invention pertains to a process for the preparation of the polymer powder composition, the use thereof as an additive in building material compositions, as well as building material compositions containing the polymer powder composition. | 05-05-2011 |
20110088860 | CELLULOSIC PRODUCT - The present invention relates to a process of producing a cellulosic product comprising (i) providing an aqueous suspension of cellulosic fibers, (ii) adding microfibrillar polysaccharide, (iii) adding thermoplastic microspheres, (iv) dewatering the suspension and forming a cellulosic product. The invention also relates to a process of producing a single layer cellulosic product comprising (i) providing an aqueous suspension of cellulosic fibers, (ii) adding microfibrillar polysaccharide derived from softwood and/or hardwood and optionally adding thermoplastic microspheres to the suspension, (iii) dewatering the suspension and forming a cellulosic product. The invention further relates to a cellulosic product obtainable from said processes. The invention also relates to a composition comprising microfibrillar polysaccharide and thermoplastic microspheres and the use thereof. | 04-21-2011 |
20110085995 | OPACIFYING POLYMERS - A self-stabilizing dispersion composition having a copolymer having at least one polymerizable acid-containing moiety, wherein the at least one acid-containing moiety is at least partially neutralized before or during polymerization, and at least one hydrophobic moiety. A process for producing such compositions is also provided, as well as a process for encapsulating water-insoluble actives in such copolymers. | 04-14-2011 |
20110065812 | SILICA-BASED SOLS AND THEIR PRODUCTION AND USE - A process for producing an aqueous silica-based sol is disclosed wherein a cationic ion exchange resin having part of its ion exchange capacity in hydrogen form is contacted with an aqueous alkali metal silicate to form a slurry having a pH from 5.0 to 11.5 and/or having particle aggregation or microgel formation corresponding to a S value up to 45%; adjusting the pH using a material comprising an aluminum compound; and separating the resin from the slurry. | 03-17-2011 |
20110054192 | PAPER SIZING ADDITIVES, THEIR PREPARATION PROCESS, AND THEIR USE - The present invention pertains to a process for the preparation of an alkenyl-substituted cyclic anhydride compound comprising the steps of subjecting one or more olefinically unsaturated C | 03-03-2011 |
20110046328 | CONTINUOUS DOSING OF EXTREMELY FAST INITIATORS DURING POLYMERIZATION REACTIONS - The invention pertains to a process wherein initiators having a half-life from 0.0001 hour to 0.05 hour at the polymerization temperature are dosed to a polymerization mixture. The dosing of such initiator allows improved control of the polymerization rate and faster polymerization rates, and the process will render a polymer with very low residual initiator levels. | 02-24-2011 |
20110046025 | Low Molecular Weight Graft Copolymers - Low molecular weight graft copolymer comprising a synthetic component formed from at least one or more olefinically unsaturated carboxylic acid monomers or salts thereof, and a natural component formed from a hydroxyl-containing natural moiety. The number average molecular weight of the graft copolymer is about 100,000 or less, and the weight percent of the natural component in the graft copolymer is about 50 wt % or greater based on total weight of the graft copolymer. Processes for preparing such graft copolymers are also disclosed. | 02-24-2011 |
20110045313 | PAPER COATING COMPOSITIONS - A paper coating composition is provided, comprising a polyvinyl alcohol graft copolymer comprising at least one side-chain polymer, formed from at least one carboxylic acid containing monomer, grafted onto a polyvinyl alcohol; and a further component selected from the group consisting of binders, thickeners and combinations thereof. The graft copolymer unexpectedly provides superior viscosification and water retention compared to results using a blend of the PVOH and carboxylated polymer where the two polymers were formed in the absence of one another. | 02-24-2011 |
20110040085 | PROCESS TO PREPARE CROSSLINKED CELLULOSE ETHERS, CROSSLINKED CELLULOSE ETHERS OBTAINABLE BY SUCH PROCESS AND THE USE THEREOF - The invention relates to a dry or slurry process to prepare phosphate-crosslinked cellulose ethers from a cellulose starting material comprising the steps of adding an alkalizing agent to the cellulose starting material to achieve mercerization, adding an ethehfying agent to the reaction mixture to achieve etherification of the cellulose, and adding a crosslinking agent to the reaction mixture to achieve crosslinking of the cellulose, wherein at least part of the alkalizing agent is added to the cellulose starting material before the etherification and/or crosslinking reactions take place to obtain alkalized cellulose; the crosslinking agent and the etherifying agent are added one after the other in random order or simultaneously; the crosslinking agent is an alkali metal thmetaphosphate; and the crosslinking and etherification steps are performed at an elevated temperature. Additionally, the invention relates to crosslinked cellulose ethers obtainable by the above process having a viscosity and/or water absorption capacity higher than their non-crosslinked equivalents and the use thereof. | 02-17-2011 |
20110039984 | RHEOLOGY INFLUENCING ADDITIVE FOR MINERAL BUILDING MATERIALS - The present invention pertains to a rheological additive to replace casein in minerally setting building material compounds, characterized in that the rheological additive contains at least two different dispersing agents and at least one stabilizer, or at least one dispersing agent and at least two different stabilizers, wherein said at least one dispersing agent is or said at least two dispersing agents are selected from the group of lignin sulfonate, polycarboxylate, polycarboxylate ether, melamine formaldehyde sulfonate, alkylphenol glycol ether and/or naphthaline sulfonates, and said at least one stabilizer is or said at least two stabilizers are selected from the group of modified or unmodified, fully or partially hydrolyzed polyvinyl alcohol, polyvinyl acetal, polyvinyl pyrrolidone, polyalkylene glycol, polyalkylene oxide, agar-agar, carob seed grain, pectin, poly(meth)acrylate and/or (meth)acrylate thickeners, poly(meth)acrylamides, polyurethanes, associative thickeners, gelatine and/or soy protein. In addition, a process for the preparation of the additive, the use of the same, as well as minerally setting building material compounds containing the rheological additive are described. | 02-17-2011 |
20110028371 | HYBRID COPOLYMERS - Hybrid copolymers include a synthetic polymer which is derived from at least one anionic or non-anionic ethylenically unsaturated monomer and a naturally derived hydroxyl containing chain transfer agent as an end group. The hybrid copolymer may be prepared as a blend with a builder or a chelating agent. Hybrid copolymers also include a synthetic portion derived from at least one ester monomer and a naturally derived hydroxyl containing chain transfer agent as an end group. Ester graft copolymers include a naturally derived hydroxyl moiety backbone and side chains derived from at least one ester monomer. Further, a method of determining the concentration of a hybrid copolymer in an aqueous system and methods of preparing a hybrid copolymer are also included. | 02-03-2011 |
20110009543 | Glass Adhesion Promoter - A glass adhesion composition containing a copolymer having an acid and a substituted amide, silanol, or amine oxide functionality. The substituted amide, silanol, or amine oxide functionality provide excellent adhesion of the copolymer to glass, silica, sand and other silicon-based substances. The copolymer is useful as a fiberglass binder, and also useful in providing protective coatings on glass sheets. A fiberglass sizing composition is also provided having a copolymer that includes at least one acid group derived from at least one acid monomer, a hydrophobic comonomer, and a crosslinker. Additives can be added to the compositions to provide other functionality such as corrosion inhibitors, hydrophobic additives, additives for reducing leaching of glass, release agents, acids for lowering pH, anti-oxidants/reducing agents, emulsifiers, dyes, pigments, oils, fillers, colorants, curing agents, anti-migration aids, biocides, plasticizers, waxes, anti-foaming agents, coupling agents, thermal stabilizers, flame retardants, enzymes, wetting agents, and lubricants. | 01-13-2011 |
20100330376 | THERMOSETTING POLYSACCHARIDES - Polysaccharide thermosetting systems and composites utilizing such systems include formaldehyde free binders formed from at least one polysaccharide and at least one polysaccharide crosslinker. | 12-30-2010 |
20100324334 | ALKALI METAL SALT OF GLUTAMIC ACID N,N-DIACETIC ACID, A PROCESS TO PREPARE SUCH SALT, AND THE USE THEREOF - The present invention relates to an alkalimetal salt of glutamic acid-N,N-diacetic acid (GLDA) of the formula Na | 12-23-2010 |
20100319577 | Asphalt modifiers for "warm mix" applications including adhesion promoter - The present invention generally relates to an additive package for warm-mix asphalt formulations for the pavement of road surfaces, said additive package comprising a) surfactant component, and b) an asphalt rheology modifying component, wherein said asphalt rheology modifying component comprises at least one of a i) a wax component and ii) a resin component. The invention also relates to a warm mix asphalt having improved compaction at lower temperatures, and to a pavement made from said warm mix asphalt. | 12-23-2010 |
20100311998 | CHELATING AGENT BASED IONIC LIQUIDS, A PROCESS TO PREPARE THEM, AND THEIR USE - The present invention relates to ionic liquids of the formula: (M | 12-09-2010 |
20100311632 | Controlled release materials - The invention relates to polymers whose water solubility may be triggered by changes in pH, salt concentration, concentration of surfactant or a combination of both. The polymer is a copolymer or terpolymer containing from 2 to 60 mole percent of an amine functionality that has been neutralized with a fixed acid. Specifically films formed from these polymers will be insoluble at a higher pH, but will become soluble at a lower pH. The polymers are also insoluble at a higher salt concentration, but become soluble at a lower salt concentration. The polymers can be used to coat or encapsulate active ingredients, that are released based on changes in the environment, such as in the rinse cycle of a dishwasher or laundry washing machine. | 12-09-2010 |
20100298807 | APPLICATOR FOR INSERTING AN IMPLANT - The invention pertains to an applicator ( | 11-25-2010 |
20100292106 | METHODS OF MINIMIZING SULFATE SCALE IN OIL FIELD - Methods of controlling barium sulfate scale in oil field applications are disclosed. These methods involve the application of one or more carboxylated oligomers to an aqueous system in the oil field. Carboxylated oligomers include polymaleic acid and polyethercarboxylates. Additionally, methods of neutralizing polymaleic acid and use of this neutralized product for barium sulfate scale control are disclosed. | 11-18-2010 |
20100276152 | ACIDIC AQUEOUS SOLUTION CONTAINING A CHELATING AGENT AND THE USE THEREOF - The present invention relates to an acidic aqueous solution containing a chelating agent and an acid, wherein the chelating agent is glutamic acid N,N-diacetic acid (GLDA) or a salt thereof and wherein the amount of GLDA or the salt thereof is at least 10 wt %, based on the weight of the aqueous solution, and to the use thereof as an oilfield chemical, in descaling processes, or in processes in which highly concentrated aqueous acids are used, such as cleaning processes or plating processes. | 11-04-2010 |
20100273006 | THERMOSETTING POLYMERS - Polymeric thermosetting systems that are formaldehyde free binder systems and composites utilizing such systems include a formaldehyde free binder formed one or more hydroxyl polymers and one or more hydroxyl polymer crosslinkers. | 10-28-2010 |
20100272765 | Stable emulsion and process for preparing the same - The invention relates to a stable emulsion comprising (a) an oil; (b) water; (c) a surfactant; and (d) solid particulate material, wherein an emulsion comprising the oil, water, and the surfactant has a transitional phase inversion point, wherein the stable emulsion contains droplets having a d50 value of below 1 μm, and wherein the shelf life time of an emulsion comprising compounds (a) to (d) is longer than the shelf life time of emulsions containing only compounds (a) to (c). | 10-28-2010 |
20100267874 | MIXTURE CONTAINING QUATERNARY AMMONIUM COMPOUND AND ITS USE - The present invention pertains to the use of quaternary organic ammonium compounds for the reduction of efflorescence in building materials. In addition, a mixture containing at least one quaternary organic ammonium compound and at least one water-soluble organic polymer and, optionally, further additives is described. The mixture according to the invention can be prepared by a) at least one quaternary organic ammonium compound and at least one water-soluble organic polymer being mixed with one another in water and the obtained aqueous mixture optionally being subsequently dried, or b) at least one powdery quaternary organic ammonium compound and at least one powdery water-soluble organic polymer being mixed with one another, or c) at least one liquid and/or dissolved quaternary organic ammonium compound being applied on at least one powdery water-soluble organic polymer, in particular by means of spraying, adsorption, mixing, fluidized bed drying and/or granulation. | 10-21-2010 |
20100252446 | Method to Electrodeposit Metals Using Ionic Liquids in the Presence of an Additive - The present invention pertains to the use of an additive selected from the group consisting of amorphous silica, graphite powder, and a mixture thereof in a process to electroplate or electropolish a metal on a substrate using an ionic liquid as the electrolyte to increase metal layer thickness. It furthermore pertains to a method to electroplate or electropolish a metal on a metal substrate wherein an ionic liquid is employed as electrolyte, wherein a metal salt added to said ionic liquid or a metal anode is employed as metal source, and wherein said ionic liquid comprises said additive. | 10-07-2010 |
20100240782 | PROCESS FOR PREPARING STYRENE-BASED (CO)POLYMERS - A process for preparing a styrene-based (co)polymer comprising the steps of: a) preparing a monomer composition comprising styrene monomer and optionally one or more co-monomers and b) polymerising the monomer composition in the presence of an initiator mixture containing (i) 55-95 wt % of at least one polyfunctional initiator having a 1-hour half-life temperature in the range of 70-110° C. and (ii) 5-45 wt % of at least one monofunctional initiator having a 1-hour half-life temperature in the range of 70-110° C., so as to form the styrene-based (co)polymer. | 09-23-2010 |
20100236937 | Electrode - An electrode substrate comprising M | 09-23-2010 |
20100236738 | SILICA-BASED SOLS AND THEIR PRODUCTION AND USE - The invention relates to a process for producing aqueous silica-based sols which comprises providing a cationic ion exchange resin having at least part of its ion exchange capacity in hydrogen form; bringing said ion exchange resin in contact with an aqueous alkali metal silicate to form an aqueous slurry; adjusting the pH of the aqueous slurry and separating the ion exchange resin from the aqueous slurry, as well as the silica-based sols obtained by the process. | 09-23-2010 |
20100236737 | PROCESS FOR THE PRODUCTION OF A CELLULOSIC PRODUCT - The present invention concerns a process for the production of a cellulosic product comprising providing a fiber-containing suspension, wherein at least about 60% by weight of the fibers are cellulosic fibers, and dewatering the suspension on a wire to form a cellulosic fiber web, the process further comprising adding silica-based particles to the formed web and a wet strength agent to the suspension and/or to the formed web. The invention also concerns a product obtainable by the process. The invention further concerns a dispersion comprising silica-based particles and a substantially aldehyde-free wet strength agent. A further aspect of the invention concerns a dispersion comprising silica-based particles having a specific surface area ranging from about 1000 to about 1700 m | 09-23-2010 |
20100222610 | GLUTAMIC ACID N,N-DIACETIC AMIDE, GLUTAMIC ACID N-ACETIC AMIDE N-ACETONITRILE, ALKALI METAL SALTS THEREOF, PROCESS TO PREPARE THEM AND THEIR USE - The present invention relates to glutamic acid N,N-diacetic amide, potassium or sodium glutamate N,N-diacetic amide, glutamic acid N-acetic amide N-acetonithle, potassium or sodium glutamate N-acetic amide N-acetonitrile, to processes to prepare such compounds and the use thereof. | 09-02-2010 |
20100204047 | Alkoxylated asymmetric alkylamine surfactants as adjuvants - The present invention generally relates to a herbicidal formulation that comprises at least one phenoxy acid herbicide or an agriculturally acceptable salt or derivative thereof, and a surfactant adjuvant, wherein said surfactant adjuvant comprises at least one alkoxylated asymmetric alkylamine surfactant having the formula (I) wherein R1 is a straight or branched chain, saturated or unsaturated hydrocarbyl group having from 8 to 24 carbon atoms; R2 is a C1-C4 alkyl group or a benzyl group; A is an alkylene group containing from 2-4 carbon atoms; x is 1-30; and y is 0-10; or a quaternised derivative of (I) having the formula (II) wherein R1 is a straight or branched chain, saturated or unsaturated hydrocarbyl group having from 8 to 24 carbon atoms; R2 is a C1-C4 alkyl group or a benzyl group; A is an alkylene group containing from 2-4 carbon atoms; x is 1-30; y is 0-10; R3 is a C1-C4 alkyl group; and Y | 08-12-2010 |
20100199885 | ADHESION AND COHESION MODIFIERS FOR ASPHALT - The present invention relates to a bitumen or asphalt formulation for the pavement of road surfaces, said formulation comprising a mixture of bitumen and aggregates, and an additive package evenly distributed therein, said additive package comprising from about i) 10 to 60% by weight of an amine or modified amine surfactant, ii) from about 20 to 90% of an asphalt rheology modifying component. | 08-12-2010 |
20100189632 | PROCESS FOR THE PRODUCTION OF CHLORINE DIOXIDE - The invention concerns a process for the production of chlorine dioxide comprising generating chlorine dioxide in an aqueous reaction medium in a reaction vessel maintained at super-atmospheric pressure, withdrawing gaseous chlorine dioxide from said reaction medium, bringing withdrawn gaseous chlorine dioxide to an aqueous absorption medium and withdrawing gaseous chlorine dioxide from said absorption medium. | 07-29-2010 |
20100186917 | FILLER COMPOSITION - The present invention relates to a filler composition comprising a) a filler, b) a cationic inorganic compound, c) a cationic organic compound, and d) an anionic polysaccharide, wherein the filler is present in an amount of at least about 1% by weight, based on the total weight of the composition, the anionic polysaccharide is present in an amount of about 1 to about 100 kg/ton, based on the weight of filler, and wherein the composition is substantially free from fibers. The invention further relates to a filler composition comprising a), b), c) and d) as defined above wherein the filler is present in an amount of at least about 1% by weight, based on the total weight of the composition, the cationic inorganic and organic compounds are each present in an amount of from about 0 to about 30 kg/ton, based on the weight of filler, whereby the composition comprises at least one of the cationic inorganic and organic compounds, and the anionic polysaccharide has a degree of substitution of net anionic groups of up to about 0.65. The invention further relates to a method of preparing a filler composition comprising mixing a), b), c) and d) as defined above. The invention further relates to a filler composition obtainable by the method, use of a filler composition as an additive to an aqueous cellulosic suspension in a papermaking process, and a process of producing paper comprising adding the filler composition to an aqueous cellulosic suspension. The invention further relates to paper obtainable by the process and paper comprising the filler composition. | 07-29-2010 |
20100181233 | Collector for flotation of clay minerals from potash ores - The invention relates to a flotation process for removal of slimes from potash ores wherein a collector is used selected from the group of ethoxylated fatty amines having the formulae (formula I) wherein R1 and R2 are, independently, a hydrocarbyl group having 1-22 C-atoms, and n is on average above 15 and less than 100, and (formula II) wherein R3 is a hydrocarbyl group having 8-22 carbon atoms; z is a number 1-3; X, Y and Y′ are, independently, an alkyl group with 1-4 carbon atoms or the group -(EO) | 07-22-2010 |
20100179249 | PROCESS FOR MODIFYING INORGANIC OXYGEN-CONTAINING PARTICULATE MATERIAL, PRODUCT OBTAINED THEREFROM, AND USE THEREOF - The present invention pertains to a process for preparing a modified inorganic oxygen-containing particulate material comprising the steps of: a) preparing a mixture of an aqueous suspension of inorganic oxygen-containing particulate material and an alkoxylated alcohol according to the formula (I) wherein R | 07-15-2010 |
20100170419 | SILICA-BASED SOLS - The invention relates to a sol containing silica-based particles having an axial ratio of at least about 10 and specific surface area of at least about 600 m2/g. The invention further relates to a sol containing silica-based particles having an axial ratio of at least about 10 and S-value up to about 25. The invention further relates to a sol containing silica-based particles having an axial ratio of at least about 10 and a specific surface area of at least about 400 m2/g, wherein the silica-based particles are surface-modified. The invention further relates to a sol containing silica-based particles having a viscosity of at least 50 cP and silica content of at least about 3% by weight, wherein the silica-based particles have a specific surface area of at least about 400 m2/g. The invention further relates to a process for producing the aqueous silica-based sol according to the invention, a sol containing silica-based particles obtainable by the process, use of the sol containing silica-based particles as a flocculating agent. The invention further relates to a process for producing paper in which the sol containing silica-based particles is used as a drainage and retention aid. | 07-08-2010 |
20100137167 | Method for preventing the formation of calcium carboxylate deposits in the dewatering process for crude oil/water streams - The invention relates to the use of compounds comprising three hydrophobic groups as additives to a stream of crude oil containing carboxylic acids, in particular naphthenic acids, and salt water, to prevent the formation of calcium carboxylates when the fluid is exposed to shear forces. Preferably, the compounds are added to a crude oil/water stream containing organic acids Ca | 06-03-2010 |
20100132901 | PROCESS FOR IMPROVING OPTICAL PROPERTIES OF PAPER - The present invention is directed to a method of efficiently maintaining or increasing brightness and whiteness of refined paper. In one aspect, the invention is directed to a method for substantially maintaining (or even increasing) brightness and/or whiteness of paper with increased pulp refining, the method including refining the pulp down to reduce the freeness at least about 100 CSF and adding a combination of an OBA and a carrier polymer to the paper surface in the size press in amounts sufficient to increase brightness and/or whiteness of the final paper. In another aspect, the invention is directed to a method of making paper from refined pulp that includes refining a cellulosic fiber suspension to reduce the freeness at least about 100 CSF and contacting the cellulosic fibers with at least one optical brightening agent (OBA) during or after the refining step prior to adding any additional wet end chemicals. | 06-03-2010 |
20100126864 | PROCESS TO PREPARE AMINO ACID-N, N-DIACETIC ACID COMPOUNDS - The invention relates to a process for the production of an amino acid having at least one secondary or tertiary amino group and three or more carboxyl groups or its salt with less than an equivalent of alkaline metal based on the number of carboxyl groups, said process comprising reducing alkali metal ions from an aqueous solution of an alkali metal salt of an amino acid having at least one secondary or tertiary amino group and three or more carboxyl groups and acidifying the amino carboxylate starting material by first performing a chemical acidification step using an organic or inorganic acid to get a compound in which at least one of the groups is protonated, and in a subsequent step further acidifying the amino carboxylate starting material and reducing alkali metal ions from an aqueous solution of the partially acidified alkali metal salt of the amino acid having at least one secondary or tertiary amino group and three or more carboxyl groups by electrodialysis, wherein the electrodialysis is performed using a hydrogen ion permselective membrane on the anode side and a cation-permeable membrane on the cathode side. | 05-27-2010 |
20100119851 | MIXTURE CONTAINING ORGANOSILICON COMPOUND AND USE THEREOF - The present invention relates to the use of a mixture that is dispersible, redispersible, or soluble in water, or an aqueous composition for protecting substrates from corrosion, wherein the mixture, or the composition, is based on at least one organic polymer that is soluble in water and at least one organosilicon compound. The invention further relates to a mixture that is dispersible, redispersible, or soluble in water, based on at least one organic polymer that is soluble in water and at least one organosilicon compound having at least one Si—O—Si bond and/or at least one Si—Si bond, wherein either the content of the organic polymer soluble in water, based on the sum of the organic polymer soluble in water and of the organosilicon compound, is between about 40 and about 80 wt.-%, or the organosilicon compound is an oligomer mixture of alkyl alkoxy siloxanes, wherein the oligomer mixture contains 50 to 100 wt.-% of alkyl alkoxy siloxanes, and the same have a degree of oligomerization of 2 to 20. The invention further provides a method for the production of mixtures according to the invention and the use thereof. | 05-13-2010 |
20100112351 | METHOD FOR PREPARING MICROFIBRILLAR POLYSACCHARIDE - The present invention relates to a method of preparing microfibrillar polysaccharide comprising treating a polysaccharide in an aqueous suspension comprising an oxidant and at least one transition metal, mechanically delaminating said polysaccharide such that microfibrillar polysaccharide is formed. The invention also relates to microfibrillar polysaccharide obtainable by the method. | 05-06-2010 |
20100084605 | PROCESS TO PREPARE CONCENTRATED ALKALI METAL HYPO-CHLORITE - The present invention pertains to a process for preparing a concentrated alkali metal hypochlorite solution by reacting chlorine with an alkali metal hydroxide to form alkali metal hypochlorite, alkali metal chloride, and water, wherein one or more aqueous solutions comprising an alkali metal hydroxide and alkali metal hypochlorite are led in a swirling flow through one or more inlet pipes of a reaction vessel, wherein chlorine is injected into said reaction vessel at its top part and flows downwards through said one or more inlet pipes, and wherein the outflow openings of the one or more inlet pipes are arranged such that the solution leaving said outflow openings, being supersaturated with alkali metal chloride, is directed through a fluidized bed of said alkali metal chloride, while the flow direction is converted upwards through said fluidized bed. | 04-08-2010 |
20100075161 | Pigment Composition - The invention relates to an aqueous pigment composition comprising polyalkylene glycol and inorganic pigment particle comprising colloidal silica or silicate based particles or aggregates thereof, wherein polyalkylene glycol constitutes from 50 to 100 wt % of the total amount of organic material in the composition and the weight ratio of colloidal silica 5 or silicate based particles or aggregates thereof to organic material in the composition is from 1:3 to 30:1. The invention further relates to a process for its production, use thereof, a process for coating paper or paper board and coated paper or paper board. | 03-25-2010 |
20100069280 | HYBRID COPOLYMERS - Hybrid copolymers for use as anti-sealant and dispersant. The polymers are useful in compositions used in aqueous systems. The polymers include at least one synthetic monomeric constituent that is chain terminated by a naturally occurring hydroxyl containing moiety. A process for preparing these hybrid copolymers is also provided. | 03-18-2010 |
20100068560 | PROCESS FOR THE PREPARATION OF A CROSS-LINKED RUBBER ARTICLE - Process for preparing a cross-linked rubber article comprising the steps of: a) applying a sulfur-containing composition to the surface of a pre-shaped peroxide-containing cross-linkable rubber article to provide a sulfur-coated article, and b) cross-linking the rubber by heating the sulfur-coated article, optionally in the presence of air, at a temperature in the range of 80 to 300° C. to obtain the cross-linked rubber article. | 03-18-2010 |
20100056376 | ALKOXYLATED ALKYLAMINES/ALKYL ETHER AMINES WITH PEAKED DISTRIBUTION - The present invention relates to processes for preparation of alkoxylated alkyl amines or alkoxylated alkyl ether amines with peaked distribution, surfactants comprising alkoxylated alkyl amines or alkoxylated alkyl ether amines with peaked distribution, and stable herbicidal formulations comprising alkoxylated alkyl amines or alkoxylated alkyl ether amines with peaked distribution. | 03-04-2010 |
20100056375 | Alkylamidopropyl dialkylamine surfactants as adjuvants - The present invention generally relates to an aqueous herbicidal formulation that comprises at least one phenoxy acid herbicide or an agriculturally acceptable salt or derivative thereof, and an alkylamidopropyl dialkylamine surfactant adjuvant, wherein said surfactant adjuvant comprises at least one surfactant having the formula (I) wherein R is a straight or branched chain, saturated or unsaturated acyl group having 6-22 carbon atoms, n is 3, and Y and Y′ are, independently, an alkyl group having 1-4 carbon atoms or (AO) | 03-04-2010 |
20100055027 | Process for the production of chlorine dioxide - The invention concerns a process for the production of chlorine dioxide comprising formation of chlorine dioxide in a reaction medium in at least one reaction vessel and withdrawing chlorine dioxide from said at least one reaction vessel, the process further comprising a step of treating reaction medium or at least one process stream originating directly or indirectly from said at least one reaction vessel with an adsorbent efficient for removing chlorinated organic compounds from said at least one process stream. | 03-04-2010 |
20100048768 | Cellulosic product - The invention relates to a cellulosic product containing thermoplastic microspheres and a charged aromatic acrylamide-based polymer. The invention further relates to a process for a process for producing a cellulosic product which comprises providing an aqueous suspension containing cellulosic fibres; adding to the suspension thermoplastic microspheres and a charged aromatic acrylamide-based polymer; and dewatering the obtained suspension. The invention also relates to the use of the cellulosic product as a liquid packaging board. | 02-25-2010 |
20100047404 | PACKAGING LAMINATE - The invention relates to a packaging laminate comprising at least one base layer of paper or paper board and at least one liquid barrier layer, said paper or paper board being sized with a formulation comprising a sizing agent selected from the group consisting of ketene dimers and multimers, succinic anhydrides, rosins and mixtures thereof, and also comprising an acrylamide based polymer The invention further relates to the production and use of a packaging laminate and a package for food or beverage products and its production. | 02-25-2010 |
20100032117 | Process for the production of cellulosic product - The present invention relates to a process for the production of a cellulosic product which comprises providing an aqueous thick suspension containing cellulosic fibers having a fiber concentration of at least about 2% by weight; adding to the thick suspension an aluminum compound, alkaline earth metal salt and acid; diluting the obtained thick suspension to form a thin suspension; adding to the thin suspension one or more drainage and retention aids; and dewatering the obtained thin suspension. The invention further relates to a process for the production of a cellulosic product which comprises providing an aqueous thick suspension containing cellulosic fibers having a fiber concentration of at least about 2% by weight and an alkaline earth metal ion concentration of at least about 100 mg/l; adding to the thick suspension an aluminum compound and optionally an acid to obtain a pH of from about 4 to about 5.5; diluting the obtained thick suspension to form a thin suspension; adding to the thin suspension one or more drainage and retention aids; and dewatering the obtained thin suspension. The invention also relates to an aqueous composition comprising a mixture of an aluminum compound, alkaline earth metal salt and acid and the use of the composition. | 02-11-2010 |
20100029822 | PROCESS FOR PREPARING LAYERED DOUBLE HYDROXIDE COMPRISING CARBONATE - The invention relates to a process for the production of a layered double hydroxide comprising carbonate by preparing a divalent and trivalent metal ion source-containing slurry, which is subsequently treated solvothermally. If the slurry does not contain a divalent metal ion source containing carbonate, a carbonate source is added during or after the solvothermal treatment. | 02-04-2010 |
20100024998 | Method of producing a paper product - The invention relates to a method of producing a laminate paper product comprising at least two layers, said method comprising (i) providing an aqueous suspension comprising cellulosic fibers (ii) adding to the suspension microfibrillar polysaccharide in an amount to yield from about 0.05 to about 50 wt % based on the weight of the cellulosic fibers (iii) dewatering the obtained suspension and forming a first layer having a density from about 150 to about 500 kg/m3 of said laminate paper product. The invention also relates to a method comprising (i) providing an aqueous suspension comprising cellulosic fibers (ii) adding to the suspension microfibrillar polysaccharide in an amount to yield from about 0.05 to about 50 wt % based on the weight of the cellulosic fibers (iii) dewatering the obtained suspension and forming at least a first and a second layer of said laminate whereby at least one of said at least first and second layer is formed from an aqueous suspension obtained in step (ii) containing microfibrillar polysaccharide; and joining said layers in such way that the laminate product obtains a density from about 150 to about 800 kg/m3. The invention also relates to a laminate paper product which can be obtained by the method and the use thereof. | 02-04-2010 |
20100022485 | FORMULATIONS COMPRISING A VITAMIN AND THE USE THEREOF TO MAKE FORTIFIED FEED AND PERSONAL CARE FORMULATIONS - The invention relates to aqueous formulations comprising alkoxylated castor oils with 15-25 ethyleneoxy units and a vitamin, preferably a fat-soluble vitamin, as well as to the use of such formulations in the process to administer the vitamin to an animal, or to make personal care formulations comprising the vitamin. | 01-28-2010 |
20100015291 | DOUBLE-FORTIFIED SALT AND PREPARATION PROCESS THEREFOR - The present invention relates to a double-fortified salt composition comprising sodium chloride, between 5 and 100 ppm of iodine in the form of iodate, between 50 and 10,000 ppm of iron as a food-grade iron(III) compound, and between 0.005 and 0.2 wt %, based on the totat weight of the salt composition, of one or more food-grade oils, with the proviso that essentially all iron and iodate is not micro-enicapsulated, to a premix therefor, to a process for preparing such a double-fortified salt composition and premix, and to the use thereof. | 01-21-2010 |
20100012885 | HYDROPHOBICALLY MODIFIED POLYMERS - Hydrophobically modified polymers for use as anti-scalant and dispersant. The polymers are useful in compositions used in aqueous systems. The polymers include at least one hydrophilic acid monomer, wherein the at least one hydrophilic acid monomer is a polymerizable carboxylic acid or sulfonic acid functionality but not both. The polymers also include at least one hydrophobic moiety. A solvent-free process for preparing these polymers is also provided. | 01-21-2010 |
20090326217 | Process for preparing cellulose ether - The invention relates to a process for preparing a cellulose ether wherein the cellulose ether is prepared in the presence of an ether of the formula R1-O—R2 having a boiling point between 40 and 90° C., or of a solvent mixture comprising an ether and having a boiling point between 40 and 90° C., wherein R1 and R2 maybe the same or different and are independently selected from an alkyl group. | 12-31-2009 |
20090305896 | Compatibility agents for herbicidal formulations comprising 2,4-(Dichlorophenoxy) acetic acid salts - The present invention generally relates to a method for minimizing the formation of insoluble salts of phenoxy herbicides. The method comprises (1) mixing a compatibility agent, amine salts of phenoxy acid herbicides, and a chemical containing non-amine cations in a aqueous system to form a stable and non-nozzle plugging solution; and (2) application of said stable and non-nozzle plugging solution onto target plants. | 12-10-2009 |
20090281255 | CONTINUOUS PROCESS FOR THE PRODUCTION OF VINYL CHLORIDE (CO)POLYMERS - Polymerization process comprising the steps of: (a) reacting an aqueous suspension comprising initiator, vinyl chloride, and optionally one or more co-monomers in a continuous stirred tank reactor; and (b) further reacting the resulting suspension in at least one second reactor; wherein the conversion level of vinyl chloride in the continuous stirred tank reactor of step (a) is from 10 to 60 wt %. | 11-12-2009 |
20090255932 | VENTING COVER AND CONTAINER WITH SUCH VENTING COVER - Pressure release container, e.g. for peroxide materials, with a spout opening ( | 10-15-2009 |
20090239067 | FLAMEPROOF COMPOSITE MATERIAL - The invention relates to a composite material comprising a polymer and a) 0.1 to 30 wt % of a layered double hydroxide comprising a charge-balancing ion, and b) 10 to 70 wt % of a metal hydroxide, based on the total weight of the composite material. | 09-24-2009 |
20090236227 | METHOD TO ELECTRODEPOSIT METALS USING IONIC LIQUIDS - The present invention relates to a method to electroplate or electropolish a metal on a substrate wherein an ionic liquid selected from the group of N | 09-24-2009 |
20090209788 | PROCESS FOR PREPARATION OF ALKOXYLATED ALKYLAMINES/ALKYL ETHER AMINES WITH PEAKED DISTRIBUTION - The present invention generally relates to a process for preparing alkoxylated alkylamines and/or alkyl ether amines. The process consists of two stages and utilizes a catalyst with a multiple-charge counterion. The alkoxylated alkylamines and alkoxylated alkyl ether amines prepared by the process possess the peaked ethoxylation distribution and contain less hazardous by-product. | 08-20-2009 |
20090209666 | ENVIRONMENTALLY-FRIENDLY OIL/WATER DEMULSIFIERS - The invention relates to particular orthoester based polymers as well as the use of specific orthoester based polymers as a demulsifier for water/oil emulsions. Products suitable for use according to the invention have the formula (I), wherein R1 is hydrogen or a hydrocarbyl group with 1-4 carbon atoms, R2, R3, and R4 are, independently, a group comprising C | 08-20-2009 |
20090206010 | REVERSE FROTH FLOTATION OF CALCITE ORE - The invention relates to a reverse froth flotation process for treating a calcium carbonate ore containing silicates. The process comprises the use of two collectors selected from the group consisting of fatty tri-lower-alkyl quaternary ammonium compounds, fatty di-lower-alkyl benzyl quaternary ammonium compounds, fatty lower-alkyl di-benzyl quaternary ammonium compounds, di-fatty di-lower-alkyl quats, di-fatty lower-alkyl benzyl quats, and fatty bis-imidazoline quats. The use of a combination of different quats was found to result in a synergetic performance of the collectors. | 08-20-2009 |
20090192067 | AQUEOUS LAUNDRY DETERGENT COMPOSITIONS HAVING IMPROVED SOFTENING AND ANTISTATIC PROPERTIES - The invention relates to aqueous, 2-in-1 laundry detergent compositions comprising conventional cleaning agents and at least one softening agent that comprises at least one amido alkyl amine quaternary compound. The 2-in-1 laundry detergent composition of the invention is phase stable and provides excellent cleaning performance and superior through-the-wash-softening and antistatic properties. | 07-30-2009 |
20090178972 | Use of an Adsorbent for the Removal of Liquid, Gaseous and/or Dissolved Constituents From a Process Stream - A method for removing liquid, gaseous and/or dissolved constituents from an aqueous stream includes contacting the aqueous stream with a porous material and then contacting the aqueous stream with an adsorbent material. The porous material includes pores having an average diameter of approximately 0.01 μm to approximately 50 μm and an extraction liquid immobilized within at least a portion of the pores. | 07-16-2009 |
20090114879 | Additive for preserving the fluidity of fluids containing gas hydrates - The present invention relates to the use of a specific group of alkoxylated and/or acylated non-quaternary nitrogen-containing compounds as anti-agglomerants for gas hydrates. The anti-agglomerants are surface-active non-quaternary nitrogen-containing compounds with 1-5 nitrogen atoms, which compounds have at least one hydrophobic group with 6-24 carbon atoms, and where the hydrophobic group is connected to the remainder of the molecule by an amine moiety, an ether moiety or an amide moiety, provided that when the hydrophobic group is connected by means of an amide moiety to the remainder of the molecule, the compounds must contain a total of at least two nitrogen atoms, and optionally contain 1-12 —CH | 05-07-2009 |
20090076299 | PHOSPHATED ALCANOL, ITS USE AS A HYDROTROPE AND CLEANING COMPOSITION CONTAINING THE COMPOUND - The present invention relates to the use of phosphated 2-propylheptanol or a phosphated 2-propylheptanol alkoxylate as a hydrotrope in aqueous alkaline solutions for a C | 03-19-2009 |
20090048097 | PROCESS FOR THE PREPARATION OF AN OXIDIC CATALYST COMPOSITION COMPRISING A DIVALENT AND A TRIVALENT METAL - Process for the preparation of an oxidic catalyst composition consisting of one or more trivalent metals preferably aluminum, one or more divalent metals preferably magnesium and more than 18 wt % of one or more compounds selected from the group consisting of rare earth metal compounds, phosphorus compounds, and transition metal compounds, which process comprises the steps of preparing a precursor mixture consisting of (i) or more trivalent metal compounds, (ii) one or more divalent metal compounds, (iii) one or more compounds selected from the group consisting of rare earth metal compounds, and transition metal compounds, and (iv) optionally water, which precursor mixture is not a solution. The resulting oxidic catalyst composition is suitable as a metal trap and SOx sorbent FCC processes. | 02-19-2009 |
20090018178 | USE OF HALOARYLPYRAZOLE COMPOUNDS IN THE CONTROL OF PARASITE INFESTATION ON ANIMALS - The present invention relates to the use of haloarylpyrazoles as tick-repellent compositions, and to an administration regimen of specific haloarylpyrazoles for controlling ticks on animals. | 01-15-2009 |
20090012260 | Process For Preparing Polysulfides, Polysulfides, And Their Use - The invention relates to a process for preparing a polysulfide comprising the step of reacting a first hydroxyl-terminated polysulfide of formula (I) wherein n is 2 to 40, with at least one compound selected from the group consisting of a second hydroxyl-terminated polysulfide which is in accordance with formula (I), a hydroxyl- and/or thiol-containing molecule, and a phosphorous sulfide to obtain a third hydroxyl-terminated polysulfide, wherein the reaction is carried out in the presence of an acid catalyst if the compound is the second hydroxyl-terminated polysulfide or the hydroxyl- and/or thiol- containing molecule, and if the compound is the phosphorous sulfide, the reaction is optionally carried out in the presence of an acid catalyst. | 01-08-2009 |
20080311410 | Clay Comprising Charge-Balancing Organic Ions and Nanocomposite Materials Comprising the Same - The invention relates to a layered double hydroxide having a distance between the individual layers of the layered double hydroxide of above 1.5 nm and comprising 2 or more charge-balancing organic anions having 8 or more carbon atoms, wherein at least 2 of the organic anions have a different number of carbon atoms, and wherein less than 10% of the total of charge-balancing anions are charge-balancing organic anions having 2 or more anionic groups. | 12-18-2008 |
20080307699 | Fuel Composition Containing A Hydrocarbon Fraction and Ethanol - The invention relates to an aqueous fuel composition having a homogeneous liquid phase, a so called microemulsion, containing a liquid hydrocarbon fraction, ethanol and an additive with an emulsifying and solubilizing ability. The composition comprises a) 70-95% by weight of an hydrocarbon fraction having a boiling point within the range from 130 to 425° C., b) 2-25% by weight of ethanol, c) 0.002-0.8% by weight of water, and d) 0.2-25% by weight of an additive comprising 5-100% by weight of an nitrogen-containing surfactant, such as an amine surfactant, an ether amine surfactant, an amine oxide surfactant and an amido surfactant, and optionally an alcohol having a hydrocarbon group of 5-24 carbon atoms. Preferably the additive comprises 5-90% by weight of the nitrogen-containing surfactant and 10-95% by weight of the alcohol. The composition, which can be stored for long periods, may be used as a fuel in diesel engines. | 12-18-2008 |
20080300352 | Process for Preparing Organically Modified Layered Double Hydroxide - The invention relates to a process for preparing a layered double hydroxide comprising a charge-balancing anion, the process comprising the steps of: (a) preparing a precursor suspension or solution comprising a divalent metal ion source, a trivalent metal ion source, water, and a solvent which is miscible with water and in which at least 5 g/l of a charge-balancing anion precursor can be dissolved; (b) treating the precursor suspension or solution to obtain the layered double hydroxide, wherein the charge-balancing anion precursor is added to the suspension or solution before, during or after step (b), and wherein, if the charge-balancing anion is an organic anion, less than 50 wt % of the charge-balancing anion precursors, based on the total weight of charge-balancing anion precursors, is a salt, with the proviso that the charge-balancing anion is not carbonate. The invention further pertains to a layered double hydroxide obtainable by this process. | 12-04-2008 |
20080295738 | PIGMENT DISPERSION - The invention relates to a method of producing a substantially aqueous pigment dispersion substantially free from an organic binder comprising mixing at least one water-soluble or water-dispersible silane compound and colloidal silica particles to form silanized colloidal silica particles in an aqueous dispersion whereby said at least one silane compound is mixed with colloidal silica particles in a weight ratio of silane to silica of from about 0.2 to about 1.5, mixing said silanized colloidal silica particles with an organic and/or inorganic pigment, wherein the weight ratio of silica to pigment is from about 0.001 to about 0.8 to form said substantially aqueous pigment dispersion. The invention also relates to an aqueous pigment dispersion obtained from the method defined herein. | 12-04-2008 |
20080293957 | Process for Preparing Organically Modified Layered Double Hydroxide - The invention relates to a process for preparing an organically modified layered double hydroxide having a distance between the individual layers of the layered double hydroxide of above 1.5 nm and comprising an organic anion as charge-balancing anion, the process comprising the steps of: (a) preparing a precursor suspension comprising a divalent metal ion source and a trivalent metal ion source; (b) solvothermally treating the precursor suspension to obtain the layered double hydroxide, wherein an organic anion is added before or during the formation of the layered double hydroxide of step (b), or following the formation of the layered double hydroxide, so as to obtain the organically modified layered double hydroxide, with the proviso that deoxycholic acid is not the sole organic anion. The invention further pertains to a process for preparing an organically modified layered double hydroxide having a distance between the individual layers of the layered double hydroxide of above 1.5 nm and comprising an organic anion as charge-balancing anion, the process comprising the steps of: (a) preparing a precursor suspension comprising a divalent metal ion source and a trivalent metal ion source; (b) thermally treating the precursor suspension to obtain the layered double hydroxide, wherein an organic anion is added before or during the formation of the layered double hydroxide of step (b), or following the formation of the layered double hydroxide, so as to obtain the organically modified layered double hydroxide, with the proviso that in step a) the trivalent metal ion source is not reacted with the organic anion at a temperature of between 60 and 85° C. for 4 to 8 hours prior to the addition of the divalent metal ion source and step b) is subsequently carried out at a temperature of 90 to 95° C. for 4 to 8 hours. | 11-27-2008 |
20080261814 | Alkoxylated Alkylamines/Alkyl Ether Amines With Peaked Distribution - The present invention generally relates to a process for preparing the alkoxylated alkylamines and/or alkyl ether amines. The process consists of three stages, and utilizes an alkali catalyst. The alkoxylated alkyl amines and alkoxylated alkyl ether amines prepared by the process possess the peaked distribution and contain less hazardous by-product. | 10-23-2008 |
20080250701 | Surface-Active Polymer and Its Use in a Water-in-Oil Emulsion - The present invention relates to a succinic diester polymer which is used in the preparation of water-in-oil macroemulsions. Said polymer, which has an excellent ability to stabilize a water-in-oil macroemulsion, has the formula (I) wherein L is a polyalkenyl group having a number average molecular weight of from 600 to 1,500, A1 and A2 independently are poly(alkyleneoxy) chains with a molecular weight of from 500 to 1,200, where each alkyleneoxy group contains 2 or 3 carbon atoms and the number of alkyleneoxy groups being ethyleneoxy groups is at least 50% of the total number of alkyleneoxy groups, and R1 and R2 independently are alkyl groups having of from 1 to 3 carbons atoms. The succinic diester polymer may also be combined with one or more surfactants having a hydrocarbon group or acyl group of 8-22 carbon atoms, which surfactants are selected from the group consisting of alkoxylated alcohols, alkoxylated amines, amine oxides containing alkyleneoxy groups, alkoxylated esters, alkoxylated acids, alkoxylated amides, sugar surfactants, and compounds of the formula: R | 10-16-2008 |
20080221269 | Packaged Peroxide Formulation - A packaged peroxide formulation comprising a container and a liquid peroxide formulation, wherein said container has a volume of at least 50 litres and a vent area/volume ratio of at least 20 10-3 m2/m3, said liquid peroxide formulation satisfies the classification tests for organic peroxide type F, has a conductivity of at least 100 pS/m, is not an emulsion or suspension, and comprises (i) at least 33 wt % of an organic peroxide selected from the group consisting of diacyl peroxides, peroxyesters, peroxydicarbonates, peroxyketals, and monoperoxycarbonates, and (ii) optionally a phlegmatiser, the packaged peroxide formulation has a vent area that is at least equal to the minimum total vent area as determined by the 10 litre venting test. | 09-11-2008 |
20080221266 | ADDITION OF ORGANIC INITIATORS DURING THE PRESSURE DROP IN VINYL CHLORIDE MONOMER POLYMERIZATION REACTIONS - The invention pertains to a process to polymerize one or more monomers wherein one or more initiators and optionally one or more surfactants are added to a polymerization mixture when the pressure in the polymerization reactor is dropping. This process allows a shorter polymerization time due to a higher pressure drop rate at the end of the polymerization reaction. Moreover, the cooling capacity of the polymerization reactor is used more efficiently. | 09-11-2008 |
20080214401 | Synergistic Blends of (Alkyl)Naphthalene Formaldehyde Condensate Sulfonates and Lignosulfonates Useful in Agrochemical Formulations - The invention generally relates to a synergistic co-spray dried blend of (alkyl)naphthalene formaldehyde condensate sulfonates and lignosulfonates. This co-spray dried blend is useful as a dispersant in useful in agrochemical formulations. | 09-04-2008 |
20080207940 | Removal of Residual Sulfur Dioxide From Dimethyl Sulfate - The present invention relates to a method of removing SO | 08-28-2008 |
20080207841 | Storage-Stable Accelerator Solution - Accelerator solution suitable for forming a redox system with peroxides and having a high storage stability, consisting essentially of (a) more than 1.0 wt % of one or more reducing agents, at least one of them being selected from ascorbic acid and sodium formaldehyde sulphoxylate, (b) one or more metal salts, at least one of them being selected from the group consisting of transition metal salts, lithium salts, and magnesium salts, (c) one or more organic oxygen-containing solvents, (d) optionally one or more stabilisers, and (e) optionally water. | 08-28-2008 |
20080207456 | Agrochemical Compositions Containing Naphthalene Sulfonate Derivatives and Nitrogen-Containing Surfactants - The present invention relates to a composition comprising a) an anionic compound having wetting and dispersing properties selected from the group of a1) an alkyl naphthalene sulfonate, a2) a naphthalene sulfonate-formaldehyde condensate that may optionally be alkyl substituted and mixtures thereof, and b) a nitrogen-containing surfactant selected from the group consisting of alkylamine alkoxylates, alkylamidoamine alkoxylates, alkanolamides and their alkoxylates, alkylamidopropylamines, betaines, amino acids, or any mixtures thereof, wherein the molar amount of anionic sulfonate and, if any are present, carboxylate groups in the composition is in excess of the molar amount of nitrogen-containing groups. These compositions exhibit synergistic wetting properties as compared to the surface-active components taken alone. Further, the compositions also exhibit an increased rainfastness. The compositions can be used as a wetting agent and/or as an agent for increasing rainfastness in cleaning or agrocultural formulations. The invention also relates to an agrocultural formulation per se. | 08-28-2008 |