Patents Assigned to Coatex
-
Patent number: 11760886Abstract: The present invention relates to a method for producing mineral particles grinding a mineral material in the presence of a specific anionic polymer. The polymer used is obtained by means of polymerisation in the presence of sodium hypophosphite, disodium dipropionate trithiocarbonate and at least one radical-generating compound. The invention also relates to an aqueous composition comprising particles of ground mineral material and such a polymer, in particular a paper coating slip composition.Type: GrantFiled: December 14, 2017Date of Patent: September 19, 2023Assignee: COATEXInventors: Clementine Champagne, Christian Jacquemet, Benoit Magny, Jacques Mongoin, Jean-Marc Suau
-
Publication number: 20230287162Abstract: The invention relates to a thickening agent P for an aqueous composition, in particular for a hydro-alcoholic composition. The thickening agent P is prepared in the absence of acrylamide by a polymerisation reaction using N-methylol acrylamide or one of the derivatives thereof, an acid and an acid ester. A specific condensate of (meth)acrylic acid and N-methylol acrylamide are part of the invention. The invention also provides a hydro-alcoholic composition, the viscosity of the hydro-alcoholic composition being controlled. The invention also provides a hydro-alcoholic composition, the viscosity of the hydro-alcoholic composition being controlled.Type: ApplicationFiled: July 29, 2021Publication date: September 14, 2023Applicant: COATEXInventors: Yves KENSICHER, Benoit MAGNY, Laurie PARRENIN, Jean Marc SUAU
-
Patent number: 11753496Abstract: The invention relates to the field involving the softening or lubricating of natural, synthetic or mixed textile fibres, as well as keratin fibres. The invention provides a softening composition, the rheology of which is controlled by means of a particular thickening agent. The invention also relates to the thickening agent, which is made from multiple isocyanate compounds.Type: GrantFiled: December 14, 2018Date of Patent: September 12, 2023Assignee: COATEXInventors: Yves Kensicher, Benoit Magny, Yves Matter, Jean-Marc Suau
-
Publication number: 20230265295Abstract: A triurethane compound may be used to modify rheology. An aqueous composition may include such a triurethane compound and the viscosity of an aqueous composition may be controlled using the triurethane compound.Type: ApplicationFiled: June 29, 2021Publication date: August 24, 2023Applicant: COATEXInventors: Yves MATTER, Denis RUHLMANN, Jean Marc SUAU
-
Publication number: 20230257615Abstract: A diurethane compound T prepared by reacting one molar equivalent of at least one diisocyanate compound (a) and two molar equivalents of a same polyethoxylated compound (b) including from 100 to 500 oxyethylene groups selected from the group consisting of straight aliphatic monoalcohols (b1) including from 6 to 40 carbon atoms, branched aliphatic monoalcohols (b2) including from 6 to 40 carbon atoms, and cycloaliphatic monoalcohols (b3) including from 6 to 40 carbon atoms.Type: ApplicationFiled: July 26, 2021Publication date: August 17, 2023Applicant: COATEXInventors: Yves MATTER, Denis RUHLMANN, Jean-Marc SUAU
-
Publication number: 20230257616Abstract: A difunctional compound T prepared by reacting one molar equivalent of at least one dihalogenated compound (a), and two molar equivalents of a same polyalkoxylated compound (b) selected from the group consisting of straight aliphatic monoalcohols (b1), branched aliphatic monoalcohols (b2), cycloaliphatic monoalcohols (b3), monoaromatic monoalcohols (b4), and polyaromatic monoalcohols (b5).Type: ApplicationFiled: July 26, 2021Publication date: August 17, 2023Applicant: COATEXInventors: Yves MATTER, Denis RUHLMANN, Jean-Marc SUAU
-
Publication number: 20230192545Abstract: Aqueous compositions may be used preparing special concretes like aerated concrete or lightweight concrete. Such an aqueous composition for preparing such concretes, may combine water, a hydraulic binder, and an aggregate that is ground in the presence of a particular anionic polymer. The ground aggregate is selected from slag, fly ash, sand, and combinations thereof.Type: ApplicationFiled: May 18, 2021Publication date: June 22, 2023Applicant: COATEXInventors: Haifeng LIU, Deyan XIAO
-
Patent number: 11661705Abstract: The invention relates to a paper coating slip composition comprising a copolymer of thickening acrylic acid, a mineral material in the form of particles, a binding agent, and water. The invention also relates to the use of said composition for the production of paper or cardboard, improving the water retention of the paper coating slip.Type: GrantFiled: December 17, 2018Date of Patent: May 30, 2023Assignee: COATEXInventors: Francis Bony, Clementine Champagne, Francois Dupont, Laurie Parrenin, Jean-Marc Suau
-
Publication number: 20230053620Abstract: The invention relates to a method for grinding phosphate rock in the presence of a particular anionic polymer having a molecular weight of between 1000 and 90000 g/mol, which makes it possible to control the extent (S) of the volume distribution of the particle size of obtained phosphate mineral particles. The invention also relates to a method for improving the production yield of a phosphate rock grinding method.Type: ApplicationFiled: February 3, 2021Publication date: February 23, 2023Applicant: COATEXInventors: Benoit MAGNY, Celine METHIVIER, Jacques MONGOIN
-
Patent number: 11578214Abstract: The invention relates to a method for producing particles of mineral material comprising grinding of at least one mineral material in the presence of water. The grinding according to the invention is carried out in the presence of at least one polymer obtained by a radical polymerization reaction of a partial sodium salt of itaconic acid and partial decarboxylation of the polymer obtained followed by partial or total neutralization of the decarboxylated polymer. The invention also relates to an aqueous composition comprising particles of ground mineral material and such a polymer, in particular a mass-loading composition for the production of paper or a paper-coating-colour composition.Type: GrantFiled: November 8, 2017Date of Patent: February 14, 2023Assignee: COATEXInventors: Henri Grondin, Christian Jacquemet, Benoit Magny
-
Publication number: 20230025556Abstract: Polyurethane heat-stabilizing agents may help resist temperature changes and preparations of an aqueous composition which may be resistant to temperature changes due to the use of such an agent (P). The viscosity may be thermally stabilized by such an aqueous composition in a wide temperature range and for many shear gradient values.Type: ApplicationFiled: December 2, 2020Publication date: January 26, 2023Applicant: COATEXInventors: Benoit MAGNY, Yves MATTER, Denis RUHLMANN, Jean Marc SUAU
-
Publication number: 20230002963Abstract: A moisture-permeable waterproof fabric includes: a porous moisture-permeable waterproof membrane on at least one surface of a fabric. Polyurethane forming the moisture-permeable waterproof membrane is synthesized using a polyol including a polycarbonate diol having a plant-derived component.Type: ApplicationFiled: December 25, 2020Publication date: January 5, 2023Applicants: TORAY COATEX CO., LTD., TORAY INDUSTRIES, INC.Inventors: Kohei YAMADA, Kaori OKUMURA, Yohei NAKAYA, Takehiro UEDA
-
Publication number: 20220409496Abstract: Anti-UV cosmetic compositions in the form of an emulsion may include an emulsifying polymer which is prepared by polymerizing an anionic monomer and a C1-C7 ester of an unsaturated carboxylic acid. Such anti-UV cosmetic compositions may be prepared in the absence of a surfactant. The preparation and use of such anti-UV cosmetic compositions may provide anti-UV cosmetic composition having dual protection for the skin: protection against UV rays and limiting the penetration of UV filters into the skin.Type: ApplicationFiled: September 28, 2020Publication date: December 29, 2022Applicant: COATEXInventors: Clementine CHAMPAGNE, Helene PERNOT
-
Publication number: 20220371957Abstract: A copolymer may be obtained by polymerization reaction(s) using an anionic monomer and two polyethoxylated monomers. Such copolymers may have a polydispersity index, determined by size exclusion chromatography (SEC), of less than 3, and be obtained by at least one radical polymerisation reaction in water at a temperature ranging from 10 to 90° C. A composition may include such copolymers. Such copolymers may be prepared and use as a superplasticizer for a hydraulic binder composition.Type: ApplicationFiled: June 23, 2020Publication date: November 24, 2022Applicant: COATEXInventors: Benoit MAGNY, Michel MELAS, Laurie PARRENIN, Jean-Marc SUAU
-
Publication number: 20220356284Abstract: A preparation of an aqueous composition that is resistant to temperature variations may include the use of at least one specific heat-stabilizing agent. The heat stabilization of the viscosity of the aqueous composition within a wide temperature range. Such heat-stabilizing agents may include, in polymerized form: (a1) an anionic monomer comprising a polymerizable olefinic unsaturation and a carboxylic acid group, optionally in salt form; (a2) a C1-C7 ester of acrylic acid, methacrylic acid, maleic acid, and/or itaconic acid; (a3) an associative monomer of a formula, R1-(EO)m-(PO)n-R2, wherein m and n are independently 0 or an integer or decimal less than 150, m or n being different from 0, EO is independently a CH2CH2O group, PO is independently a combination of (i) CH2CH2O and (ii) CH(CH3)CH2O and/or CH2CH(CH3)O, R1 is independently a group comprising a polymerizable olefinic unsaturation, and R2 is independently a straight C28-C40-alkyl group or a C28-C40-alkyl group.Type: ApplicationFiled: December 14, 2020Publication date: November 10, 2022Applicant: COATEXInventors: Lori HOWELL, Haksu LEE, Benoit MAGNY, Yves MATTER, Denis RUHLMANN, Jean Marc SUAU
-
Patent number: 11447588Abstract: The invention relates to the field of preparing aqueous dispersions of organic, organometallic or inorganic particles. In particular, the invention relates to the preparation of aqueous suspensions comprising organic, organometallic or inorganic particles and at least one particular copolymer obtained by polymerization of at least one acid and at least one compound or at least one ester derived from a particular acid, in the presence of water, at least one initiator compound and at least one activator compound, followed by total or partial neutralization by means of at least one compound chosen from alkali metal hydroxides, alkaline earth metal hydroxides, alkaline earth metal dihydroxides and mixtures thereof. The invention relates to such a particular copolymer having a low polydispersity index and weight-average molecular weight, the preparation process thereof and the use thereof, especially for the preparation of an aqueous paint composition.Type: GrantFiled: March 29, 2017Date of Patent: September 20, 2022Assignee: COATEXInventors: Mehdi Bouzid, Clementine Champagne, Benoit Magny, Jean-Marc Suau
-
Publication number: 20220259384Abstract: The invention pertains to the field of aqueous thickening compositions, particularly for increasing the viscosity of an aqueous paint or varnish composition, a detergent composition or a cosmetic composition, in particular a cosmetic composition comprising ethoxylated surfactant compounds. The composition according to the invention comprises at least 40% by weight of water and combines a particular thickening compound and a nonionic compound comprising at least one hydrophilic saccharide group attached to at least one linear or branched hydrophobic chain.Type: ApplicationFiled: July 8, 2020Publication date: August 18, 2022Applicant: COATEXInventors: Yves MATTER, Denis RUHLMANN, Jean-Marc SUAU
-
Publication number: 20220259346Abstract: The invention concerns a composition for preparing a coating, such as a paint or a varnish, comprising an acrylic acid copolymer thickener, a polymer binder chosen from a vinyl acetate homopolymer, a vinyl acetate copolymer, a vinyl versatate homopolymer, a vinyl versatate copolymer and combinations thereof, and water. The invention also concerns the use of the acrylic acid copolymer in an aqueous coating composition comprising such a polymer binder in order to improve the stability of same during storage.Type: ApplicationFiled: July 15, 2020Publication date: August 18, 2022Applicant: COATEXInventors: Catherine CORFIAS ZUCCALLI, Laurie PARRENIN, Jean-Marc SUAU
-
Patent number: 11414604Abstract: The invention relates to a process for preparing a dispersion of a lipophilic compound in a continuous hydrophilic phase, the morphology of which is submicronic. During the preparation of this dispersion, there is applied, by means of a device which produces a shearing gradient less than 5000 s?1, a shear stress from 100 to 5000 Pa during the addition of the lipophilic compound in the continuous phase which comprises a rheology-modifying compound selected from anionic copolymers, preferably an anionic polymer, in particular an ASE polymer or a HASE polymer. The dispersed particles of the lipophilic compound are nanometric particles whose size is less than 1 ?m. The dispersion, particularly in the form of an emulsion, can be used in numerous fields.Type: GrantFiled: December 21, 2018Date of Patent: August 16, 2022Assignee: COATEXInventors: Clementine Champagne, Jean-Marc Suau
-
Publication number: 20220119621Abstract: A method may reduce the hygroscopicity of a material including calcium carbonate using at least one copolymer for assisting in grinding which is neutralized in a particular way, as well as a method for packaging such a material. The copolymer may have a molecular mass measured by SEC in a range of from 4,000 to 20,000 g/mol, and a polydispersity index in a range of from 1.5 to 4.0, and may be prepared by polymerizing acrylic acid and/or methacrylic acid, optionally in salt form, and non-ionic monomer(s) including hydroxyethyl acrylate, hydroxypropyl acrylate, hydroxyethyl methacrylate, hydroxypropyl methacrylate, a C1-C5 acrylate ester, a C1-C5 methacrylate ester, or combinations thereof, wherein the carboxylic acid groups may be at least partially neutralized by 70 mol. % of Na+ and from 10 to 30 mol % of Na+, K+, and/or Li+.Type: ApplicationFiled: February 24, 2020Publication date: April 21, 2022Applicant: COATEXInventors: Christian JACQUEMET, Jacques MONGOIN, Jean-Marc SUAU