COATEX S.A.S. Patent applications |
Patent application number | Title | Published |
20150376415 | USE OF GLYCEROL AS AN AGENT TO IMPROVE THE SELF-DISPERSING PROPERTIES OF A MINERAL MATERIAL TO BE ADDED TO AN AQUEOUS COMPOSITION - The present disclosure relates to a method for improving the auto-dispersant characteristic in water of a mineral substance. The method includes the steps of dry-grinding, in the presence of a formulation, a mineral substance selected from a dolomite, talc, titanium dioxide, alumina, kaolin and calcium carbonate, wherein the formulation contains a polyglycerol and no glycerol. | 12-31-2015 |
20130253117 | WEAKLY IONIC POLYMERS FOR AN AQUEOUS SUSPENSION OF MINERAL FILLERS FOR PAPER COATING COLORS INTENDED FOR INK JET PRINTING - The present invention provides weakly ionic polymeric additives that, when used in aqueous suspensions of commercial mineral fillers (dispersed with an anionic polymer), enable the introduction of organic or mineral salts in significant quantities without causing a destabilization of the medium. The suspension are useful in the formulation of a paper coating color designed for an application of the ink-jet type. | 09-26-2013 |
20130158160 | NON-IONIC ASSOCIATIVE THICKENERS CONTAINING CYCLOHEXYLOL ALKYLS, FORMULATIONS CONTAINING THEM AND THEIR USES - The present invention concerns new associative thickeners of the HEUR type (Hydrophobically modified Ethylene oxide URethane) whose hydrophobic monomer is based on alkyl cyclohexylols. These are new polyurethanes that significantly thicken an aqueous formulation with a low, medium and high shear gradient. The invention also concerns the compositions containing them and their uses in different formulations such as aqueous paints. | 06-20-2013 |
20130131259 | ASSOCIATIVE IONIC THICKENING AGENTS CONTAINING ALKYLCYCLOHEXANOL ALKOYLATES, THEIR USES AND FORMULATIONS CONTAINING THEM - New associative thickening agents belonging to the category of HASEs (Hydrophobically modified Alkali-Soluble Emulsions). These products contain an original associative monomer with a base of alkylcyclohexanol akoxylates. Their thickening power is greater than the HASE associative thickening agents of the prior art containing grafted alkyl phenols. An efficient substitute product is therefore available, which is free of alkyls phenols, matching current market demand. | 05-23-2013 |
20130131189 | ASSOCIATIVE NON-IONIC THICKENING AGENTS CONTAINING ALKYL CYCLOHEXANOL ALKOXYLATES, THEIR USES AND FORMULATIONS CONTAINING THEM - The present invention concerns new associative thickening agents belonging to the category of HEURs (Hydrophobically modified Ethylene oxide URethane). These products contain an original associative monomer with a base of alkyl cyclohexanol alkoxylates. Their thickening power is equal to or greater than that procured by HEUR associative thickening agents of the prior art containing grafted alkyl phenols. An efficient substitute product is therefore available, which is free of alkyl phenols, matching current market demand. | 05-23-2013 |
20130130046 | WEAKLY ANIONIC POLYMERS, USES THEREOF - The present invention concerns weakly anionic polymers including their use in paper coatings, especially those intended for paper for inkjet printing. These additives provide the sought thickening function, whilst improving water retention very appreciably. The invention also concerns a method of manufacture of such coatings, together with the coatings obtained in this manner. | 05-23-2013 |
20130116377 | ASSOCIATIVE ACRYLIC THICKENING AGENT CONTAINING POLYGLYCEROLS AND ITS USE TO INCREASE THE OPEN TIME OF THIN OR THICK FILMS - The present invention relates to new acrylic associative thickening agents which, when polymerized in the presence of particular polyglycerols, ultimately result in an increase of the open time of the paint or of the thick coating in which they are in incorporated. By so doing, painters and applicators will have more time to work the paint layers gradually or to correct imperfections such as paint droplets, and traces of brushes and filling-knives. | 05-09-2013 |
20130116368 | EMULSION OF AN ASSOCIATIVE ACRYLIC POLYMER POLYMERISED IN THE PRESENCE OF POLYGLYCEROLS AND ITS USE AS A THICKENING AGENT IN AN AQUEOUS FORMULATION - Emulsions containing acrylic associative thickening agents which, when polymerized in the presence of particular polyglycerols, have a thickening power which is remarkably stable over time. | 05-09-2013 |
20130109760 | METHOD OF MANUFACTURE OF AQUEOUS SUSPENSIONS OF TALC FROM AN ACRYLIC POLYMER WITH A GRAFTED SURFACTANT GROUP, SUSPENSIONS OBTAINED AND THEIR USES | 05-02-2013 |
20130056566 | USE OF GLYCEROL AS AN AGENT TO IMPROVE THE SELF-DISPERSING PROPERTIES OF A MINERAL MATERIAL TO BE ADDED TO AN AQUEOUS COMPOSITION - The invention consists of the use, during a mineral substance dry-grinding step, of formulations containing glycerol and/or polyglycerols as agents for improving the auto-dispersing characteristic of the said mineral substance in an aqueous composition. The immediate viscosity of the final composition is thus lowered and maintained stable over the course of time. In addition, the amount of foam formed during the dispersion in water step is reduced. | 03-07-2013 |
20120322896 | NON-IONIC ASSOCIATIVE THICKENERS CONTAINING ALKYL CYCLOHEXYLOLS, FORMULATIONS CONTAINING THEM AND THEIR USES - New associative thickeners of the HEUR type (Hydrophobically modified Ethylene oxide URethane) whose hydrophobic monomer is based on alkyl cyclohexylols. These are new polyurethanes that allow a broad thickening of a medium shear gradient aqueous formulation while limiting the increase in the low shear gradient viscosity. The invention also concerns the compositions containing them and their uses in different formulations such as aqueous paints. | 12-20-2012 |
20120276032 | USE OF ACRYLIC COMB COPOLYMERS AS A COLOUR DEVELOPING AGENT IN COSMETIC COMPOSITIONS - Cosmetic compositions for make-up containing acrylic comb copolymers having the advantage of increasing the intensity of the color produced by these compositions when they are applied to the skin or to keratin derivatives such as the hair or the eyelashes. Not only are the aesthetic properties conferred by these compositions thus improved, but their useful life is also increased, since they allow access to the desired shade (and good intensity) right from the first application. | 11-01-2012 |
20120259083 | TRITHIOCARBONATE DERIVATIVES AND THE USE THEREOF IN THE FORM OF TRANSFER AGENTS FOR ACRYLIC ACID CONTROLLED RADICAL POLYMERISATION - The invention relates to novel sulphur compounds, to the production thereof by a method carried out in an aqueous medium and the use thereof in the form of transfer agents in a method for controlled radical polymerisation of acrylic acid and/or acrylic acid with water-soluble monomers in water. The thus obtained polymers are usable in the form of dispersing agents or grinding aid agents and/or aid agents for combined grinding of mineral materials in an aqueous suspension and in the form of dispersing agents directly incorporated into aqueous formulations containing mineral materials. | 10-11-2012 |
20120251474 | COMB POLYMERS FOR THE HAIR - Utilisation of (meth)acrylic comb copolymers with side chains of the hydroxy and alkoxy polyalkylene glycol type in which are present both ethylene oxide and propylene oxide links. These copolymers give a styling effect and an elimination of rinsing. The invention also relates to a cosmetic formulation containing such structures as well as a hair treatment process based on this formulation. | 10-04-2012 |
20120238684 | METHOD FOR GRINDING CALCIUM CARBONATE IN WATER IN THE PRESENCE OF A SOLUTION OF ACRYLIC POLYMER AND AN ALKALINE CARBONATE SALT MANUFACTURED IN PLACE IN THE SAID SOLUTION - A method for manufacturing an aqueous suspension of calcium carbonate by grinding in an aqueous medium in the presence of an acrylic grinding aid agent and of an alkaline carbonate salt. These salts enable the quantity of grinding aid agent used to be reduced, for an equivalent level of performance in terms of rheology and granulometry of the suspensions. The method includes a first step of manufacture of the alkaline carbonate salt within the aqueous solution of acrylic polymer itself, through the addition of alkaline hydroxide and bubbling of carbon dioxide. | 09-20-2012 |
20120231056 | METHOD FOR THICKENING A COSMETIC FORMULATION USING AN ALKALI SWELLABLE EMULSION OF A POLYMER WITH AMPS AND WHICH IS RICH IN ACRYLIC ACID - Process for thickening a composition, through the use of a direct emulsion in water, which is alkali-swellable, of a polymer of the ASE or HASE type, which is both rich in acrylic acid and which has a certain quantity of AMPS. The use of such emulsions simultaneously allows there to be no obligation to use surfactants and organic solvents other than water, and allows the thickening phenomenon to be activated for pHs of less than 7: this latter characteristic is particularly advantageous for formulations intended to be used in contact with skin. | 09-13-2012 |
20120230920 | COSMETIC FORMULATION CONTAINING A NON WATER-SOLUBLE AMPHIPHILIC COPOLYMER AS THICKENING AGENT - The present invention concerns formulations containing one or more comb structure amphiphilic copolymers that are both rich in hydrophobic monomers and in polyalkylene glycol monomers. Cosmetic formulations. Methods of thickening. | 09-13-2012 |
20120227634 | USE IN A HYDRAULIC BINDER COMPOSITION OF A DRY-GROUND CALCIUM CARBONATE WITH A COPOLYMER OF (METH)ACRYLIC ACID AND AN ALKOXY OR HYDROXY POLYALKYLENEGLYCOL GROUP - Provided are a method of dry-grinding calcium carbonate in the presence of a grinding aid agent which is a copolymer of (meth)acrylic acid with a monomer containing an alkoxy or hydroxy polyalkyleneglycol group, and a method of producing a hydraulic binder base including dry grinding a calcium carbonate in the presence of the grinding aid. | 09-13-2012 |
20120225988 | USE IN A PAINT OF A DRY-GROUND CALCIUM CARBONATE WITH A COPOLYMER OF (METH)ACRYLIC ACID WITH AN ALKOXY OR HYDROXY POLYALKYLENEGLYCOL GROUP - Provided is a method of producing a paint involving dry-grinding a calcium carbonate in the presence of a grinding aid agent which is a copolymer of (meth)acrylic acid with a monomer containing an alkoxy or hydroxy polyalkyleneglycol group. | 09-06-2012 |
20120142842 | USE OF ALKALINE CARBONATE SALTS TO REDUCE THE DOSE OF ACRYLIC POLYMER IN A METHOD OF GRINDING CALCIUM CARBONATE IN WATER - The use of alkaline carbonate salts in a method of manufacturing an aqueous composition of calcium carbonate by grinding. These salts make it possible to reduce the quantity of grinding aid agents implemented, which are water-soluble homopolymers or copolymers of acrylic acid. These homopolymers or copolymers greatly contribute to increasing the carbon dioxide content of the atmosphere, and are derived from raw materials that come from a fossil fuel: by limiting their quantity, both the environment and our natural resources are preserved. | 06-07-2012 |
20120129986 | USE OF AMINES IN COMBINATION WITH ACRYLIC POLYMERS IN THE MANUFACTURE OF AQUEOUS SUSPENSIONS OF MINERAL MATTERS - The use of an amine in a method to manufacture an aqueous suspension of mineral matter by dispersion and/or grinding in the presence of at least one acrylic polymer. The amine enables the quantity of polymer dispersant to be reduced. In a preferred embodiment the quantity of acrylic dispersant is reduced, whilst keeping the same mineral matter content, and maintaining or even improving the rheology of the suspension over time. | 05-24-2012 |
20120046412 | AMPHIPHILIC AND NON-WATER SOLUBLE (METH)ACRYLIC COMB POLYMERS - Non water-soluble polymers with a comb structure and a (meth)acrylic skeleton on which are grafted side chains containing at least one hydrophobic monomer of the styrene or (meth)acrylic ester type on C1 to C4, and at least one hydroxy or methoxy polylakylene glycol monomer. The levels of monomers are such that the polymer is amphiphilic because it is both rich in hydrophobic monomer and polylakylene glycol monomer. These products, used in paper coating dispersions, enable an increase in their Brookfield™ viscosity, a reduction in their ACAV viscosity, and an improvement in their water retention, which makes them particularly well suited for dry extract and/or high deposit speed coatings. | 02-23-2012 |
20120046404 | PAPER COATINGS OF AMPHIPHILIC, NON-WATER-SOLUBLE COMB-BRANCHED (METH)ACRYLIC POLYMERS, USES THEREOF - Polymers, paper coating compositions, and coated paper. | 02-23-2012 |
20110319561 | ACRYLIC ACID SWELLABLE ALKALI ACRYLIC EMULSIONS, THEIR USE IN AQUEOUS FORMULATIONS AND THE FORMULATIONS CONTAINING THEM - New methacrylic acid-free direct emulsions of a polymer in water. Methods of making and using. | 12-29-2011 |
20110319544 | USE IN A PAINT OF A DRY-GROUND CALCIUM CARBONATE WITH A COPOLYMER OF (METH)ACRYLIC ACID WITH AN ALKOXY OR HYDROXY POLYALKYLENEGLYCOL GROUP - A paint comprising a calcium carbonate that is obtained by dry-grinding in the presence of a grinding aid agent comprising a copolymer of (meth)acrylic acid with a monomer containing an alkoxy or hydroxy polyalkyleneglycol group. | 12-29-2011 |
20110319526 | USE IN A HYDRAULIC BINDER COMPOSITION OF A DRY-GROUND CALCIUM CARBONATE WITH A COPOLYMER OF (METH) ACRYLIC ACID AND AN ALKOXY OR HYDROXY POLYALKYLENEGLYCOL GROUP - A dry-ground calcium carbonate obtained by dry-grinding calcium carbonate in the presence of a grinding aid agent which is a copolymer of (meth)acrylic acid with a monomer containing an alkoxy or hydroxy polyalkyleneglycol group, and compositions of the dry-ground calcium carbonate with a hydraulic binder base. | 12-29-2011 |
20110319500 | ALKALI SWELLABLE ACRYLIC EMULSIONS WITHOUT SURFACTANTS, USE THEREOF IN AQUEOUS FORMULATIONS, AND FORMULATIONS CONTAINING THEM - The present invention pertains to new alkali swellable thickening emulsions, free of surfactants and solvents other than water: as a result, all drawbacks related to the use of solvents, or to the formation of foam in the case of surfactants, are avoided. These new emulsions contain a certain quantity of 2-acrylamido-2-methylpropane sulfonic acid (or AMPS, CAS #: 40623-75-4). They have proven effective at thickening aqueous mediums, particularly water-based paints, paper coatings, aqueous suspensions of mineral materials, detergents, cosmetic formulations, or formulations containing a hydraulic binder. | 12-29-2011 |
20110305915 | HYDROXY POLYALKYLENE GLYCOL FUNCTION (METH) ACRYLIC COMB POLYMERS, THEIR USE AS SHEAR-THINNING AGENTS IN COATING DISPERSIONS AND DISPERSIONS CONTAINING THEM - Comb polymers useful in paper coating dispersions. | 12-15-2011 |
20110263774 | USE OF ACRYLIC POLYMERS NEUTRALIZED BY LITHIUM AS DISPERSING AGENTS OR GRINDING AID AGENTS OF MINERAL MATERIALS IN AN AQUEOUS MEDIUM - The invention pertains to the use of a homopolymer of acrylic acid or a copolymer of acrylic acid with a water-soluble monomer, as a dispersing agent or grinding aid agent in a method for manufacturing an aqueous suspension of mineral materials through dispersion and/or grinding, characterized in that the carboxylic groups of said agent are fully or partially neutralized by the lithium ion and in that it exhibits a viscosity index of between 0.01 and 0.08. | 10-27-2011 |
20110251307 | USE OF A STYRENE LATEX 100 NM IN SIZE AS A RHEOLOGICAL AGENT IN A PAPER COATING, THE PAPER COATING, AND THE METHOD FOR OBTAINING IT - The invention relates to coating slip including latex comprising styrene and with a particle size centered around 100 nm, the use of latex as an agent for reducing the low shear gradient viscosity and increasing the low shear gradient viscosity, and methods thereof. | 10-13-2011 |
20110213072 | ASSOCIATIVE MONOMER WITH AN OXO ALCOHOL BASE, AN ACRYLIC POLYMER CONTAINING THIS MONOMER, USE OF THE SAID POLYMER AS A THICKENING AGENT IN AN AQUEOUS FORMULATION, FORMULATION OBTAINED - A HASE-type rheology modifier containing an associative monomer which is functionalised by a hydrophobic group of an oxo alcohol base is provided. A method to prepare the HASE rheology modifier and its use in a method to thicken and create a Newtonian rheological profile in an aqueous formulation such as a water based paint is also provided. | 09-01-2011 |
20110213071 | ASSOCIATIVE ACRYLIC EMULSION CONTAINING AN OXO ALCOHOL-BASED MONOMER, ITS MANUFACTURING METHOD, AND METHOD FOR THICKENING AN AQUEOUS FORMULATION USING THIS EMULSION - The present invention pertains to particular HASE rheology modifiers: they are aqueous emulsions whose solids content may reach about 25%, based on acrylic thickeners having an associative monomer functionalized by an oxo alcohol based hydrophobic group. Their method of synthesis, as well as a method for thickening an aqueous formulation containing them, also constitute objectives of the present invention. | 09-01-2011 |
20110207856 | USE AS AN AGENT IMPROVING THE WORKABILITY OF AN AQUEOUS FORMULATION WITH A HYDRAULIC BINDER BASE, OF A (METH)ACRYLIC COMB-BRANCHED COPOLYMER AND AN ASSOCIATIVE ACRYLIC THICKENER - The present invention pertains to the use, in the manufacture of an aqueous formulation with a hydraulic binder base, of a combination of at least one comb-branched copolymer having a (meth)acrylic skeleton, onto which are grafted side-chains terminated by a hydrophilic group, and at least one ASE acrylic polymer. This results in improving the workability of said formulation, without causing a segregation phenomenon. | 08-25-2011 |
20110207855 | AQUEOUS SOLUTION OF (METH)ACRYLIC FLUID COMB-BRANCHED POLYMERS WITH A SOLID CONTENT GREATER THAN 60%, MANUFACTURING METHOD AND USE AS A PLASTICIZING AGENT - The present invention pertains to an aqueous solution of comb-branched polymers, having a (meth)acrylic skeleton functionalized by side-chains with hydrophilic alcoxy- or hydroxy-polyalkylene glycol functions, said solution remaining stable and workable at dry solids content levels greater than 60% of its weight. The invention also pertains to a method for manufacturing such solutions, as well as their use as a plasticizing agent, and hydraulic binder-based compositions containing them. | 08-25-2011 |
20110186773 | TRITHIOCARBONATE DERIVATIVES AND THE USE THEREOF IN THE FORM OF TRANSFER AGENTS FOR ACRYLIC ACID CONTROLLED RADICAL POLYMERISATION - The invention relates to novel sulphur compounds, to the production thereof by a method carried out in an aqueous medium and the use thereof in the form of transfer agents in a method for controlled radical polymerisation of acrylic acid and/or acrylic acid with water-soluble monomers in water. The thus obtained polymers are usable in the form of dispersing agents or grinding aid agents and/or aid agents for combined grinding of mineral materials in an aqueous suspension and in the form of dispersing agents directly incorporated into aqueous formulations containing mineral materials. | 08-04-2011 |
20110160348 | USE OF STRUCTURED WATER-SOLUBLE POLYMERS OBTAINED BY CONTROLLED RADICAL POLYMERIZATION AS A DISPERSANT AND AGENT FOR ASSISTING IN THE GRINDING OF MINERAL MATERIALS - The invention relates to the use, as a dispersant and/or a grinding aid agent for pigments and/or mineral fillers in aqueous suspension, of a water soluble polymer with a controlled structure obtained by a controlled free radical polymerization process putting into practice a particular alkoxyamine as a polymerization initiator. | 06-30-2011 |
20110135560 | USE OF A WEAKLY IONIC ACRYLIC POLYMER IN THE SYNTHESIS OF PRECIPITATED CALCIUM CARBONATE - The invention consists in the use, in a method to manufacture a mineral matter, notably a precipitated calcium carbonate, of a polymer consisting of at least one vinylic monomer chosen from among acrylic or methacrylic acid, acrylamide, methacrylamide or a cationic monomer, or their blends, and at least one non-ionic monomer. The use of this polymer enables the carbonation time of the PCC to be reduced, without however impairing its crystallographic structure and its granulometric characteristics. | 06-09-2011 |
20110133006 | USE OF FORMULATIONS CONTAINING GLYCEROL AS A DRY GRINDING AID AGENT OF MINERAL MATTER - The invention consists in the use, as a dry grinding aid agent of a mineral matter chosen from among the dolomites, talc, titanium dioxide, alumina, kaolin and calcium carbonate, the function of which is to reduce the specific grinding energy and to increase the grinding capacity, of formulations containing glycerol. | 06-09-2011 |
20110112256 | USE AS A THICKENING AGENT OF SALINE AQUEOUS FORMULATIONS OF A WATER-SOLUBLE ACRYLIC COPOLYMER, WHICH IS CROSSLINKED AND HYDROPHOBICALLY MODIFIED - The invention consists in the use, as a thickening agent of an aqueous formulation which is, notably, salt-rich, of a water-soluble or alkali-soluble copolymer consisting of (by weight):
| 05-12-2011 |
20110092629 | USE OF (METH)ACRYLIC POLYMERS IN A METHOD FOR MANUFACTURE OF AN AQUEOUS SUSPENSION OF CALCIUM CARBONATE - A method including first step grinding, in aqueous media of natural calcium carbonate, an acrylic polymer having a molecular weight of between 8,000 g/mole and 15,000 g/mole and a molar content of less than 20% of polymeric chains of molecular weight less than 3,000 g/mole and second, optionally concentrating, leading to an aqueous suspension with an increased slope factor, which improves the opacity of the coated paper produced from such a suspension. | 04-21-2011 |
20110092617 | METHOD FOR BURNING COAL INVOLVING IMPLEMENTING AN ABSORBENT AGENT IN AN AQUEOUS DISPERSION, ASHES OBTAINED, AND USES THEREOF - The invention consists of a process for manufacturing ashes from the combustion of coal, this process comprising at least one step of bringing the coal into contact with an absorbent agent on the one hand, this absorbent agent being, on the other hand, contained in an aqueous phase in the presence of a (meth)acrylic dispersant, preferably a (meth)acrylic comb polymer. Thus the emissions of carbon dioxide and likewise the compounds based on sulphur, nitrogen or mercury which result from the combustion of coal are effectively combated. | 04-21-2011 |
20110092615 | USE OF ALPHA-OLEFIN OR GLYCIDYL ETHER EPOXY-BASED POLYETHERS AS THICKENING AGENTS FOR WATER-BASED PAINT IN THE PRESENCE OF SURFACE ACTIVE AGENTS - The object of the invention is the use, as a thickening agent for a water-based paint, of an aqueous solution of a polyether of at least one polyoxyalkylene and at least one alpha-olefin epoxy, and/or at least one aliphatic or aromatic glycidyl ether, and at least one surface active agent whose chemical formula is C | 04-21-2011 |
20110065836 | POLYCOSANOL-BASED ASSOCIATIVE MONOMERS, CORRESPONDING ASSOCIATIVE THICKENING AGENTS AND THEIR USES - The present invention relates to new associative monomers, terminated by a hydrophobic chain with a base of polycosanols, which can be bio-resourced raw materials, and notably of octacosanol. It also concerns the HASE-type associative copolymers manufactured from these monomers, from (meth)acrylic acid and from an ester of one of these acids. The invention also concerns the use of these copolymers as thickening agents for water-based formulations. | 03-17-2011 |
20110060101 | CARDANOL-BASED ASSOCIATIVE POLYURETHANES, CORRESPONDING ASSOCIATIVE THICKENERS AND USES THEREOF - New associative polyurethanes which are manufactured with cardanol which is potentially oxyethylated. Use of these polyurethanes as thickening agents for aqueous formulations. | 03-10-2011 |
20110046280 | USE OF AN ACRYLIC DISPERSING AGENT - ASSOCIATIVE THICKENER PAIR IN AN ALKIDE PAINT FOR IMPROVING THE RETENTION OF ITS BRIGHTNESS LEVEL - The invention consists of the use, in an alkide resin formulation in an aqueous phase, of a dispersing agent/thickener pair:
| 02-24-2011 |
20110033558 | POLYMERS PRODUCED BY USING SULPHUR COMPOUNDS IN THE FORM OF TRANSFER AGENTS FOR CONTROLLED RADICAL POLYMERISATION OF ACRYLIC ACID AND THE USE THEREOF - The invention concerns the polymers obtained by the use of sulphur compounds in a process for controlled radical polymerisation in water of acrylic acid and/or acrylic acid with hydrosoluble monomers. It concerns also their uses as dispersant agents or agents to aid grinding and/or co-grinding of mineral matters in aqueous suspensions, and as dispersant agents incorporated directly in aqueous formulations containing mineral matters. Finally, the invention concerns the formulations of mineral matters obtained in this manner. | 02-10-2011 |
20100314061 | USE OF A MINERAL-MATERIAL STERIC DISPERSING AGENT IN WATER, AQUEOUS DISPERSION THUS OBTAINED AND USE THEREOF IN PAPER MAKING - A method for manufacturing a sheet of paper from a pulp and a sheet of paper obtained by the present method, wherein said pulp comprises a mixture of natural and/or synthetic fibers, water, and at least one aqueous suspension and/or dispersion comprising at least one mineral material, wherein said dispersion or suspension comprises, as a steric dispersing agent of at least one mineral material, at least one copolymer comprising at least one vinylic monomer, at least one non-ionic monomer, or a mixture of several monomers having formula (I) in the present method, wherein said agent limits the presence of divalent ions in the aqueous phase and said agent is not a chelating agent. | 12-16-2010 |
20100298480 | USE OF PHOSPHORIC ACID TO REDUCE THE QUANTITY OF FREE DISPERSING AGENT IN A METHOD FOR CONCENTRATING CALCIUM CARBONATE IN WATER - The invention consists of the use of phosphoric acid, in a method for concentrating an aqueous dispersion or suspension of calcium carbonate in the presence of at least one acrylic dispersing agent, as an agent for reducing the quantity of free dispersing agent, i.e. the fraction of acrylic dispersing agent not adsorbed onto the surface of the particles of the calcium carbonate and present in the aqueous phase. It also pertains to the aqueous dispersions or suspensions of calcium carbonate, exhibiting a reduced quantity of free dispersing agent. | 11-25-2010 |
20100273923 | METHOD OF MANUFACTURING COMB POLYMERS BY ADDING AN ANTIOXIDANT, POLYMERS OBTAINED, AND APPLICATIONS THEREOF - The invention resides in the implementation of an antioxidant during the functionalization reaction of a (meth)acrylic polymer in a dry state by polyoxyalkylated lateral groups, so as to improve the grafting rate of the final polymer. The obtained polymers constitute another object of the invention, as do the aqueous formulations that they contain. | 10-28-2010 |
20100273699 | USE OF HOMOPOLYMERS OF MALEIC ACID AND ITS SALTS AS SCALE-INHIBITING AGENTS AND ANTI-STICK AGENTS - The invention consists of the use, as scale-prevention and sticking-prevention agents, of homopolymers derived from a maleic acid polymerization, in the presence of a catalytic system using oxygenated water and sodium hypophosphite, in which the molar ratio of sodium hypophosphite/maleic acid is between 0.2 and 1, and preferentially between 0.35 and 0.6. | 10-28-2010 |
20100267890 | METHOD FOR DISPERSING ALKYD RESINS WITH ASSOCIATIVE POLYMERS IN WATER, FORMULATIONS THUS OBTAINED AND AQUEOUS PAINTS CONTAINING SAME - The invention consists of a method for dispersion in water of an alkyd resin, by means of a polymer having associative hydrophobic groups. The formulations obtained then enable a water-based alkyd paint to be manufactured, without having recourse to surfactants or solvents. | 10-21-2010 |
20100267564 | METHOD FOR ENCAPSULATING OILS IN AN AQUEOUS MEDIUM WITH HASE POLYMER EMULSIONS, PRODUCTS OBTAINED, AND USES THEREOF - The invention consists of a method for manufacturing an aqueous formulation containing at least one oil, and comprising the steps of mixing at least one associative polymer, one oil, and water, encapsulating the oil by increasing the pH to a value greater than 8, potentially precipitating the mixture by reducing the pH to a value less than 6, and potentially isolating the resulting particles by removing the water. The aqueous formulations, as with the aqueous dispersions, and the resulting solid particles constitute other objects of the invention. | 10-21-2010 |
20100216962 | METHOD FOR NEUTRALIZING A WATER-SOLUBLE ACRYLIC POLYMER BY AT LEAST ONE MONOVALENT AGENT AND AT LEAST ONE DIVALENT AGENT, AND POLYMERS OBTAINED - A method for manufacturing a water-soluble acrylic polymer, fully or partially neutralized by at least one monovalent agent and at least one divalent agent, by contacting the monovalent agent, the divalent agent, and a water-soluble acrylic polymer in acid form in an aqueous solution. Polymer obtained. The polymer obtained is limpid, and advantageously has a polymolecularity index between 1.5 and 3.0 for a molecular weight between 5,000 g/mol and 15,000 g/mol. | 08-26-2010 |
20100203170 | METHOD FOR FORMULATING AGROCHEMICAL ACTIVE INGREDIENTS SO AS TO REGULATE THEIR RELEASE KINETICS, PROTECT THEM FROM OUTSIDE STRESSES, AND KEEP THEIR USERS SAFE - The invention pertains to a new method for formulating any agrochemical active ingredient so as to protect the user, protect this active ingredient from outside stresses, and control its release kinetics. It relies on the use of acrylic and thickening emulsions with a pH greater than five and containing hydrophobic groups in order to trap said active ingredient. The invention also pertains to the various embodiments of the active ingredient thereby formulated: a mixture in water of that active ingredient with these thickening emotions, a dispersion of solid particles of these polymers and this active ingredient after a certification, and the solid particles obtained in a dried state after the water has been removed. Finally, the invention pertains to the use of these various formulations in order to protect and active ingredient, protect its user, and slow its release kinetics. | 08-12-2010 |
20100184897 | PROCEDURE FOR MANUFACTURING AN AQUEOUS FORMULATION BASED ON A SOLUTION OF ACRYLIC COMB POLYMER AND ACRYLIC THICKENING EMULSION, THE FORMULATION OBTAINED AND ITS USE IN COATING PAPER - This invention relates to a process for producing a composition characterized in that it comprises the steps of:
| 07-22-2010 |
20100181395 | USE OF ACRYLIC COMB POLYMERS WITH HYDROPHOBIC GROUPS AS COUPLING AGENTS IN A METHOD FOR GRINDING MINERAL MATERIALS WITH BINDERS - The invention pertains to the use as a coupling agent, in a method for manufacturing self-binding particles by grinding at least one latex binder and at least one mineral material in an aqueous medium, of an aqueous solution of a fully or partially acidic water-soluble copolymer, present during the step of grinding, wherein the copolymer is made up of at least one ethylenically-unsaturated anionic monomer, and at least one ethylenically-unsaturated oxyalkylated monomer terminated by a hydrophobic alkyl, alkylaryl, arylakyl, or aryl chain having 10 to 32 carbon atoms. | 07-22-2010 |
20100174012 | MACROMONOMERS IMPROVING THE THERMAL STABILITY OF (METH)ACRYLIC COMB POLYMERS, USE OF THESE POLYMERS IN LOADED PLASTIC COMPOSITIONS - The invention concerns to the use, as an agent improving the thermal stability of (meth)acrylic comb polymers of a macromonomer whose formula (I) is: | 07-08-2010 |
20100152375 | Thickening and Clear Aqueous Compounds, Their Use in Acid Aqueous Formulations, The Formulations Obtained - The invention lies in thickening and clear aqueous compounds containing at least 2 non-ionic surfactants, and at least 1 polyurethane compound consisting of at least one grouping of the alkyl or aryl or aryalkyl type, or a blend of these groupings, of at least one grouping of the polyalkylene glycol type, and of at least one isocyanate grouping chosen from among 1-decyl isocyanate, 1-dodecyl isocyanate, mirystyl isocyanate, palmityl isocyanate, stearyl isocyanate, 1,4-butane di-isocyanate, 1,6-hexane diisocyanate, the cycloaliphatic diisocyanates, isophorone diisocyanate, 1,3- and 1,4-cyclohexane diisocyanate, 4,4′ diisocyanatodicyclohexylmethane, 1-methyl-2,4-diisocyanatocyclohexane and its blend with 1-methyl-2,6-diisocyanatocyclohexane, hexamethylene diisocyanate biuret, hexamethylene diisocyanate trimer, isophorone diisocyanate trimer, and their blends. | 06-17-2010 |
20100152094 | METHOD FOR FORMULATING ACTIVE FRAGRANCE INGREDIENTS IN ORDER TO PROTECT THEM AND INCREASE THEIR REMANENCE - The invention pertains to a new method for formulating active fragrance ingredients in such a way as to protect them and to slow the evaporation method of said active ingredients. It relies upon the use of thickening acrylic emulsions, at a pH above 5 and containing hydrophobic groups in order to trap said active ingredients. The invention also pertains to various methods of realizing the active ingredients thus formulated: a mixture in water of these active ingredients with thickening emulsions, dispersion of solid particles of these polymers and of these active ingredients after acidification, and solid particles obtained in a dry state after water is eliminated. Finally, the invention pertains to the use of these various formulations in order to protect an active ingredient and slow its evaporation kinetic. | 06-17-2010 |
20100121127 | METHOD FOR MANUFACTURING A METALLIC HYDROXIDE AND OXIDE POWDER WHICH IS SELF-DISPERSING IN WATER, POWDER AND AQUEOUS DISPERSION OBTAINED, USES THEREOF - The invention resides in a method for manufacturing a metallic hydroxide-based and metallic oxide-based powder, which is self-dispersing in water, characterized in that a metallic oxide powder is partially treated with a polymer in the form of an aqueous emulsion and/or solution, in such a way that the level of metallic hydroxide by dry weight within said treated powder is less than 99% of its total weight, and in that said polymer is a water-soluble homopolymer or copolymer containing at least one vinylic monomer. In one particular variant, the polymer is a water-soluble copolymer containing a vinylic monomer and a non-ionic monomer, and the metal is calcium and/or magnesium. The invention also pertains to the powders obtained, their uses in aqueous suspensions, in treating waste, as a chemical additive, or as a soil amendment. | 05-13-2010 |
20100113617 | METHOD FOR IMPLEMENTING ACTIVE INGREDIENTS IN ORDER TO PROTECT THEM AND OPTIMIZE THEIR DELIVERY METHOD - The invention pertains to a new method for formulating pharmaceutical active ingredients in such a way as to protect them when ingested orally, and to allow for the controlling of the release of the active ingredient in the intestine. It relies upon the use of thickening acrylic emulsions with a pH greater than 5, containing hydrophobic groups, in order to encapsulate the pharmaceutical active ingredients for the purpose of encouraging their passage through the gastrointestinal barrier, while controlling the release kinetics of said active ingredients. | 05-06-2010 |
20100112611 | PROCEDURE FOR DETECTING MICROBIAL CONTAMINATION BY BIOLUMINESCENCE IN ASSOCIATIVE ACRYLIC THICKENERS AND PRODUCTS CONTAINING THEM - A procedure for detecting microorganisms by bioluminescence in an aqueous formulation containing an ASE or HASE-type polymer, which implements at least one step of dilution of the aqueous formulation. This dilution step, and notably the regulation of the dilution factor, allows the bioluminescence technique, up to now ineffective on this type of products, to be implemented. It can henceforth be used on these ASE or HASE-type polymers, but also on products containing them, such as a paper coating, paint, lacquer, varnish or stain. | 05-06-2010 |
20100111809 | USE IN A PAINT OF A DRY-GROUND CALCIUM CARBONATE WITH A COPOLYMER OF (METH)ACRYLIC ACID WITH AN ALKOXY OR HYDROXY POLYALKYLENEGLYCOL GROUP - The invention resides in the use in a paint of a calcium carbonate characterised in that it is obtained by dry-grinding, firstly, and in that it is dry-ground in the presence of a grinding aid agent which is a copolymer of (meth)acrylic acid with a monomer containing an alcoxy or hydroxy polyalkyleneglycol group, secondly. The invention also concerns the paints thus obtained. | 05-06-2010 |
20100095869 | METHOD FOR MANUFACTURING AN AQUEOUS SUSPENSION OR DISPERSION CONTAINING CALCIUM CARBONATE AND KAOLIN AND ITS USE IN THE MANUFACTURING OF PAPER COATINGS - The invention consists of a method for manufacturing an aqueous suspension or dispersion of calcium carbonate and kaolin, via steps of manufacturing, potentially in the presence of a dispersing agent or grinding agent, an aqueous suspension or dispersion of calcium carbonate with a solids content less than 70% of its weight, and of adding kaolin in dry powder form so as to achieve a ratio, by dry weight (precipitated calcium carbonate:kaolin) between (90:10) and (10:90). | 04-22-2010 |
20100076139 | USE AS A RHEOLOGY AGENT IN A FILLED PLASTIC PASTE OF A DRYGROUND CALCIUM CARBONATE WITH A COPOLYMER OF (METH)ACRYLIC ACID WITH AN ALKOXY OR HYDROXY POLYALKYLENEGLYCOL GROUP - The invention resides in the use, as an agent reducing the viscosity of a thermoplastic or thermosetting paste filled with a calcium carbonate, of a calcium carbonate characterised in that it is obtained by dry-grinding, firstly, and in that it is dry-ground in the presence of a grinding aid agent which is a copolymer of (meth)acrylic acid with a monomer containing an alcoxy or hydroxy polyalkyleneglycol group, secondly. The invention also concerns the filled thermoplastic and thermosetting pastes obtained in this manner. | 03-25-2010 |
20100069552 | USE OF A COMB POLYMER WITH AT LEAST ONE POLYALKYLENE OXIDE GRAFTED FUNCTION AS A MINERAL CHARGE COMPATIBILITY AGENT FOR CHLORINATED THERMOPLASTIC MATERIALS - The invention firstly concerns the use as a compatibilising agent, in a process to manufacture a chlorinated thermoplastic resin filled with a mineral material, of a comb polymer having at least one anionic monomer with ethylenic unsaturation, to which is grafted at least one polyalkylene oxide group. | 03-18-2010 |
20100038046 | USE OF AN AQUEOUS SUSPENSION AND/OR DISPERSION OF MINERAL MATERIALS CONTAINING A HYDROPHOBIC GROUP WATER-SOLUBLE COPOLYMER FOR MAKING A PAPER SHEET - The invention consists in the use, in a method for manufacturing a sheet of paper, of an aqueous suspension and/or dispersion of mineral materials as an agent for slowing the penetration of the paper coating into said sheet, characterized in that said suspension and/or dispersion contains at least one water-soluble copolymer made up of at least one ethylenically-unsaturated anionic monomer, and at least one ethylenically-unsaturated oxylalkylated monomer terminated by a hydrophobic chain. | 02-18-2010 |
20100010120 | USE OF A RHEOLOGICAL ADDITIVE IN THE MANUFACTURE BY VIBROCOMPACTION OF A WATER AND HYDRAULIC BINDER BASED FORMULATION, FORMULATION OBTAINED - The present invention consists in the use, in a process of manufacture of a composition with a water and hydraulic binder base, of a rheological additive characterised in that it is an emulsion of at least one non-cross-linked copolymer, consisting of:
| 01-14-2010 |
20090326101 | USE IN A HYDRAULIC BINDER COMPOSITION OF A DRY-GROUND CALCIUM CARBONATE WITH A COPOLYMER OF (METH) ACRYLIC ACID AND AN ALKOXY OR HYDROXY POLYALKYLENEGLYCOL GROUP - The invention resides in the use in a composition with a hydraulic binder base, of a calcium carbonate characterised in that it is obtained by dry-grinding, firstly, and in that it is dry-ground in the presence of a grinding aid agent which is a copolymer of (meth)acrylic acid with a monomer containing an alcoxy or hydroxy polyalkyleneglycol group, secondly. The invention also concerns the compositions with a hydraulic binder base thus obtained. | 12-31-2009 |
20090308553 | Method for Treating Mineral Materials Using Amphoteric Polymers, Mineral Materials Thereby Obtained, and their Usage as an Agent for Reducing the Quantity of Colloids in Manufacturing Paper - The invention firstly discloses a new method for treating mineral materials, by means of an amphoteric polymer, to make said mineral materials effective as an agent for reducing the quantity of natural and organic colloids in the process of manufacturing a sheet of paper. | 12-17-2009 |
20090286903 | ANTI-EFFLORESCENCE AGENT, USE IN A CEMENT MATRIX, MATRIX OBTAINED - An anti-efflorescence agent, its use in a cement matrix, and the matrix obtained. | 11-19-2009 |
20090209692 | DISPERSING AND/ OR GRINDING AID AGENT FOR DISPERSION AND AQUEOUS SUSPENSION OF MINERAL MATERIALS, DISPERSION AND SUSPENSION OBTAINED AND USE THEREOF - The invention relates to the use of at least one polymer containing at least one monomer selected from acrylic acid or methacrylic acid or mixtures thereof and at least one monomer which is the maleic anhydride as a dispersing and/or grinding aid agent in a fabrication process of an aqueous dispersion and/or suspension of mineral materials, wherein the molar ratio r (acrylic acid and/or methacrylic acid:(maleic anhydride) is strictly confined to the range between 2:1 and 0.1:1. | 08-20-2009 |
20090056896 | AQUEOUS DISPERSION OF PRECIPITATED CALCIUM CARBONATE STARTING FROM AT LEAST ONE DISPERSING AGENT COMPRISING A COMPOUND CARRYING FLUORIDE IONS - The object of the invention is the use as a dispersing agent, with a view to dispersing mineral matter containing precipitated calcium carbonate (PCC) in water, of a combination:
| 03-05-2009 |
20080199419 | Use of Water-Soluble Polymers Which are Obtained by Means of Controlled Radical Polymerisation as an Agent For Improving the Opacity and/or Brightness of Dry Products Containing Same - The invention relates to agents that are used to improve optical properties such as opacity and/or brightness of dry products based on mineral matter containing said agents. More specifically, the invention relates to a method of producing dry products based on mineral matter, in which the agents used to improve the opacity and/or brightness of said dry products take the form of controlled-structure water-soluble polymers which are obtained using a controlled radical polymerisation method employing a particular alkoxyamine as a polymerisation initiator. The invention also relates to the use of aqueous suspensions and/or dispersions of mineral matter containing said polymers for the same purpose. The aforementioned dry products comprise plastics, filled paper, dry films produced by drying a coating slip, dry films produced by drying an aqueous paint formulation or dry films produced by drying an aqueous cosmetic formulation, which contain mineral matter as well as said polymers. | 08-21-2008 |