Patents Assigned to Coatex
  • Patent number: 10550515
    Abstract: A method for deinking recycled paper, including a pulping step, and then a flotation step, which includes introduction of at least one dispersant of the polyacrylate type, representing from 0.05 to 3.5 wt % of the mineral fillers of the recycled paper. A specific dispersant is used during the flotation step of the method for deinking recycled paper.
    Type: Grant
    Filed: May 30, 2016
    Date of Patent: February 4, 2020
    Assignee: COATEX
    Inventors: Francois Dupont, Jerome Blanc
  • Publication number: 20200031985
    Abstract: The invention relates to a rheology-modifying urethane compound. The compound comprising urethane functions of the invention can be prepared according to a method in several steps which use different compounds comprising isocyanate functions. For the preparation of the urethane compound according to the invention, a monoisocyanate compound, in particular a monoisocyanate compound resulting from the separate condensation of an asymmetric diisocyanate compound with a reactive compound, is reacted with an alkylene glycol compound in the presence of a polyisocyanate compound. The invention also provides coating compositions comprising mineral particles and a urethane compound according to the invention.
    Type: Application
    Filed: October 20, 2017
    Publication date: January 30, 2020
    Applicant: COATEX
    Inventors: Yves MATTER, Denis RUHLMANN, Jean-Marc SUAU
  • Patent number: 10538643
    Abstract: Composition including at least one hydrocarbon-containing cut of petroleum origin or obtained from biomass conversion (a) and at least one copolymer (b) resulting from the copolymerization of: at least one monomer selected from: acrylic acid and any salt thereof, optionally at least one monomer selected from: methacrylic acid and any salt thereof, at least one monomer selected from the monomers of formula (I): R—X—R???(I) according to which R represents a polymerizable unsaturated function, R? denotes hydrogen or an alkyl group having from 1 to 4 carbon atoms, X represents a structure including n unit(s) of ethylene oxide EO and m unit(s) of propylene oxide PO, m and n are two integers in the range from 0 to 150, at least one of which is not zero.
    Type: Grant
    Filed: September 7, 2016
    Date of Patent: January 21, 2020
    Assignees: TOTAL MARKETING SERVICES, COATEX
    Inventors: Franck Bardin, Thorsten Bauer, Jean-Marc Suau, Clémentine Champagne
  • Patent number: 10501371
    Abstract: Novel copolymers obtained by polymerisation a mixture of monomers comprising: at least one anionic monomer (a) comprising a polymerisable unsaturated function and a carboxylic group; and at least one monomer (b) of formula (I): H2C?C(—R1)—(CH2)p—O-[(EO)n—(PO)m]—H??(I) where [(EO)n—(PO)m] represents a polyalkoxylated chain consisting of ethoxylated units EO and propoxylated units PO, distributed into blocks, alternating or statistical, the molar proportion of the ethoxylated units in the polyalkoxylated chain (n)/(m+n) being greater than or equal to 70% and strictly less than 90%. In addition, hydraulic composition, for example concrete compositions, comprising such copolymers, and the use of said copolymers as water-reducing agents in hydraulic compositions and for increasing the early mechanical strength of a hydraulic composition.
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: December 10, 2019
    Assignee: COATEX
    Inventors: David Platel, Benoit Magny, Jean-Marc Suau, Clementine Champagne
  • Patent number: 10470994
    Abstract: The invention relates to multiphasic polymers comprising from 45% to 95% by weight of a first polymer P1 and from 5% to 55% by weight of a second polymer P2, said polymers P1 and P2 being of distinct compositions, said polymer P1 being obtained by polymerization from a mixture of monomers comprising at least one anionic monomer (a) having a polymerizable vinyl group, at least one nonionic hydrophobic monomer (b) having a polymerizable vinyl group, at least one cross-linking monomer (c) and at least one associative monomer (d) having a polymerizable vinyl group and a hydrophobic hydrocarbon chain and said polymer P2 being obtained by polymerization from a mixture of monomers comprising at least one anionic monomer (a?) having a polymerizable vinyl group, at least one nonionic hydrophobic monomer (b?) having a polymerizable vinyl group and at least one cross-linking monomer (c?).
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: November 12, 2019
    Assignee: COATEX
    Inventors: Clementine Champagne, Jean-Marc Suau, Benoit Magny, Delphine Bony, Yves Kensicher
  • Patent number: 10465028
    Abstract: The present invention relates to a polymer obtained by radical polymerization of a mixture of monomers comprising: at least one anionic monomer (a) having a polymerizable vinyl function; at least one non-ionic hydrophobic monomer (b) having a polymerizable vinyl function; and one or more crosslinking monomer(s) (c) including at least one compound of formula (I) in which R is a hydrogen atom or a methyl group, n is zero or an integer from 1 to 30, and R1 is a linear or branched C1-C20 alkylene group. The present invention also relates to a process for the preparation thereof by radical polymerization, to an aqueous composition comprising same, to the use thereof as a thickener and suspending agent and also to the use of a monomer of formula (I) for synthesizing a polymer.
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: November 5, 2019
    Assignee: COATEX
    Inventors: Clementine Champagne, Delphine Bony, Jean-Marc Suau, Yves Kensicher, Benoit Magny
  • Patent number: 10456742
    Abstract: Preparation of aqueous slurries of calcium dihydroxide. Preparation of aqueous suspensions of calcium hydroxide.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: October 29, 2019
    Assignee: COATEX
    Inventors: Fabrizio Belli, Jacques Mongoin, Angelo Berlendis
  • Publication number: 20190264019
    Abstract: The invention relates to a method for producing a polymer in water, comprising the preparation of an emulsion comprising a HASE-type copolymer and a mixture of a monomer comprising at least one polymerisable olefinic unsaturation and a radical-generating compound, followed by the polymerisation of the emulsified monomer by heating to a temperature higher than the temperature required for the polymerisation reaction. The invention also relates to the polymer produced in this way and to the use thereof.
    Type: Application
    Filed: October 20, 2017
    Publication date: August 29, 2019
    Applicant: COATEX
    Inventors: Clementine CHAMPAGNE, Jean-Marc SUAU
  • Publication number: 20190211125
    Abstract: The invention relates to a copolymer obtained by polymerisation reaction of at least three comonomers: a first anionic monomer, a second monomer comprising an olefin unsaturation, and a third monomer comprising a hydrophobic group. The invention likewise relates to the use of said copolymer as a thickening agent, in particular in aqueous suspensions of mineral particles with high solids content. The copolymer according to the invention makes it possible to improve the compromise between viscosity with high shear gradient and viscosity with low shear gradient, while also improving water retention inside the suspension.
    Type: Application
    Filed: September 29, 2017
    Publication date: July 11, 2019
    Applicant: COATEX
    Inventors: Yves MATTER, Jean-Marc SUAU, Francis BONY, Francois DUPONT
  • Publication number: 20190185595
    Abstract: The invention relates to the preparation of a water-soluble anionic polymer, the weight-average molecular mass MW of which ranges from 1,000 to 10,000 g/mol and the polydispersity index Ip of which is less than 3.5. The polymer according to the invention is obtained by a polymerization reaction in water of an unsaturated anionic monomer, in the presence of CuI or of CuII and of an aromatic compound comprising a functional group chosen from hydroxyl, primary amine, secondary amine and tertiary amine directly bonded to the aromatic ring. The invention also relates to an aqueous composition comprising the polymer according to the invention.
    Type: Application
    Filed: September 14, 2017
    Publication date: June 20, 2019
    Applicant: COATEX
    Inventors: Clementine CHAMPAGNE, Jean-Marc SUAU
  • Publication number: 20190177663
    Abstract: The invention relates to the field of detergent compositions, in particular detergent compositions for automatic washing, especially for automatic dishwashing. Thus, the invention provides a phosphate-free detergent composition comprising at least one non-sulfonated nonionic surfactant compound and a non-sulfonated water-soluble copolymer prepared especially by polymerization reaction of acrylic or methacrylic acid, of an acrylic or methacrylic acid, itaconic acid or maleic acid ester and of a compound of formula (I): The invention also relates to the use of this non-sulfonated water-soluble copolymer as a scale-inhibiting agent or anti-spotting agent, and also to a cleaning process.
    Type: Application
    Filed: June 9, 2017
    Publication date: June 13, 2019
    Applicant: COATEX
    Inventor: Yves KENSICHER
  • Publication number: 20190135965
    Abstract: (EN) The invention relates to the field involved in the production of aqueous compositions comprising rheology modifying agents, in particular the production of aqueous detergent or cosmetic compositions having improved, thickening and clarity properties, as well as good suspension properties. In particular, the invention relates to a rheology modifying agent which is a copolymer obtained by means of polymerisation of at least one crosslinking monomer with at least one anionic monomer comprising at least one polymerisable ethylenic unsaturation and at least one hydrophobic non-ionic monomer comprising at least one polymerisable ethylenic unsaturation.
    Type: Application
    Filed: June 2, 2017
    Publication date: May 9, 2019
    Applicant: COATEX
    Inventors: Herve CAVALIE, Clementine CHAMPAGNE, Benoit MAGNY, Jean-Marc SUAU, Christophe VERGE
  • Publication number: 20190133914
    Abstract: The invention relates to the field of the production of aqueous compositions comprising rheology-modifying agents, in particular the production of aqueous cosmetic or detergent compositions having improved thickening and clarity properties and also good suspending properties. In particular, the invention relates to a rheology-modifying agent which is a copolymer obtained by polymerization of at least one cross-linking monomer with at least one anionic monomer comprising at least one polymerizable ethylenic unsaturation and at least one hydrophobic nonionic monomer comprising at least one polymerizable ethylenic unsaturation.
    Type: Application
    Filed: June 2, 2017
    Publication date: May 9, 2019
    Applicant: COATEX
    Inventors: Clementine CHAMPAGNE, Jean-Marc SUAU
  • Patent number: 10233330
    Abstract: The present invention relates to a ternary mixture consisting of at least one homopolymer or copolymer of (meth)acrylic acid, partially or completely neutralized with sodium, with potassium, with lithium and/or with an amine, at least one solution of silicate or metasilicate chosen from the group consisting of a sodium silicate of formula Na2O.nSiO2 (with n varying between 1 and 4), sodium metasilicate Na2SiO3, a potassium silicate K2O.nSiO2 (with n varying between 1 and 4), potassium metasilicate K2SiO3 and a mixture of these compounds, and at least one base, as dispersion and/or grinding aid agents of kaolin in aqueous suspension.
    Type: Grant
    Filed: December 1, 2015
    Date of Patent: March 19, 2019
    Assignee: COATEX
    Inventors: Jacques Mongoin, Christian Jacquemet, Yves Matter, Jean-Marc Suau
  • Patent number: 10221319
    Abstract: 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.
    Type: Grant
    Filed: September 8, 2015
    Date of Patent: March 5, 2019
    Assignees: COATEX, OMYA INTERNATIONAL AG
    Inventors: Murielle Guillot, Denis Ruhlmann, Matthias Buri
  • Patent number: 10214599
    Abstract: The invention relates to a novel method for the continuous production of anionic polymers by radical polymerization. The polymers produced by said method have a controlled molecular weight.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: February 26, 2019
    Assignee: COATEX
    Inventors: Jean-Marc Suau, Yves Matter, Dominique Peycelon, Jean-Luc Dubois
  • Patent number: 10207446
    Abstract: The present invention relates to a continuous process for preparing a comb polymer, without organic solvent, by esterification and/or amidification of an acidic homopolymer or copolymer, which consists in performing the esterification and/or amidification of said homopolymer/copolymer by reaction at elevated temperature in the mixing and transportation zone of a tubular reactor, optionally equipped with a water removal system, in the presence of at least one poly(alkylene glycol) in solid or molten form and of an antioxidant, said esterification and/or amidification taking place at a temperature greater than or equal to 170° C.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: February 19, 2019
    Assignee: COATEX
    Inventors: Jean-Marc Suau, David Platel, Clementine Champagne, Yves Matter
  • Publication number: 20190021981
    Abstract: The invention relates to multiphasic polymers comprising from 45% to 95% by weight of a first polymer P1 and from 5% to 55% by weight of a second polymer P2, said polymers P1 and P2 being of distinct compositions, said polymer P1 being obtained by polymerization from a mixture of monomers comprising at least one anionic monomer (a) having a polymerizable vinyl group, at least one nonionic hydrophobic monomer (b) having a polymerizable vinyl group, at least one cross-linking monomer (c) and at least one associative monomer (d) having a polymerizable vinyl group and a hydrophobic hydrocarbon chain and said polymer P2 being obtained by polymerization from a mixture of monomers comprising at least one anionic monomer (a?) having a polymerizable vinyl group, at least one nonionic hydrophobic monomer (b?) having a polymerizable vinyl group and at least one cross-linking monomer (c?).
    Type: Application
    Filed: October 30, 2015
    Publication date: January 24, 2019
    Applicant: COATEX
    Inventors: Clementine CHAMPAGNE, Jean-Marc SUAU, Benoit MAGNY, Delphine BONY, Yves KENSICHER
  • Publication number: 20190010267
    Abstract: The present invention relates to a polymer obtained by radical polymerization of a mixture of monomers comprising: at least one anionic monomer (a) having a polymerizable vinyl function; at least one non-ionic hydrophobic monomer (b) having a polymerizable vinyl function; and one or more crosslinking monomer(s) (c) including at least one compound of formula (I) in which R is a hydrogen atom or a methyl group, n is zero or an integer from 1 to 30, and R1 is a linear or branched C1-C20 alkylene group. The present invention also relates to a process for the preparation thereof by radical polymerization, to an aqueous composition comprising same, to the use thereof as a thickener and suspending agent and also to the use of a monomer of formula (I) for synthesizing a polymer.
    Type: Application
    Filed: June 23, 2016
    Publication date: January 10, 2019
    Applicant: COATEX
    Inventors: Clementine CHAMPAGNE, Delphine BONY, Jean-Marc SUAU, Yves KENSICHER, Benoit MAGNY
  • Publication number: 20180346625
    Abstract: The present invention relates to the synthesis of an associative acrylic (co)polymer by aqueous emulsion radical polymerization. The (co)polymer contains at least one oligomer of acrylic acid represented by the formula (I): where n is an integer ranging from 1 to 10. The oligomer is prepared from acrylic acid at a temperature of between 50° C. and 200° C. in the presence of a basic or acid catalyst, water, and polymerization inhibitors. The present invention also relates to the associative acrylic (co)polymer obtained from the method and also to the use of this (co)polymer as a thickener in various formulations.
    Type: Application
    Filed: September 30, 2016
    Publication date: December 6, 2018
    Applicant: COATEX
    Inventors: Jean-Marc SUAU, Clementine CHAMPAGNE