Patents Assigned to Coatex
  • CONTINUOUS ESTERIFICATION AND/OR AMIDIFICATION METHOD, WITHOUT ORGANIC SOLVENT, OF AN ACID HOMOPOLYMER OR COPOLYMER
    Publication number: 20170297255
    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: Application
    Filed: December 7, 2015
    Publication date: October 19, 2017
    Applicant: COATEX
    Inventors: Jean-Marc SUAU, David PLATEL, Clementine CHAMPAGNE, Yves MATTER
  • Copolymers in cosmetic compositions
    Patent number: 9775795
    Abstract: The present invention concerns the use of a specific copolymer to homogenize compositions that include coloring pigments and/or pearlescent pigments and film-forming polymers, as well as the cosmetic compositions containing said copolymer.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: October 3, 2017
    Assignee: COATEX
    Inventors: Renaud Souzy, Yves Kensicher, Jean-Marc Suau, Olivier Guerret
  • Aqueous lime slurry, preparation process and uses
    Patent number: 9757685
    Abstract: Preparation of aqueous slurries of calcium dihydroxide. Preparation of aqueous suspensions of calcium hydroxide.
    Type: Grant
    Filed: November 18, 2013
    Date of Patent: September 12, 2017
    Assignee: COATEX
    Inventors: Fabrizio Belli, Jacques Mongoin, Angelo Berlendis
  • Use of a polymeric emulsion for the surface treatment of particles of mineral matter
    Patent number: 9745475
    Abstract: The present invention relates to the use of a new polymeric aqueous emulsion for surface treating particles of mineral matter.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: August 29, 2017
    Assignees: COATEX, OMYA INTERNATIONAL AG
    Inventors: Denis Ruhlmann, Olivier Guerret, Jacques Mongoin, Joe McJunkins, Djillali Foual, Marc Feller, Samuel Rentsch
  • METHOD FOR THE CONTINUOUS PRODUCTION OF ANIONIC POLYMERS USING RADICALS
    Publication number: 20170240668
    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: Application
    Filed: December 17, 2015
    Publication date: August 24, 2017
    Applicant: COATEX
    Inventors: Jean-Marc SUAU, Yves MATTER, Dominique PEYCELON, Jean-Luc DUBOIS
  • Polishing pad
    Patent number: 9707663
    Abstract: A polishing pad is provided with a compression elastic modulus of 0.17 MPa or more and 0.32 MPa or less produced by preparing a nonwoven fabric formed of bundles of ultrafine fibers with an average monofilament diameter of 3.0 ?m or more and 8.0 ?m or less, preparing a polishing pad base by impregnating the nonwoven fabric with a polyurethane based elastomer in an amount of 20 mass % or more and 50 mass % or less relative to the mass of the polishing pad base, and laminating the polishing pad base with a porous polyurethane layer containing wet-solidified polyurethane as primary component which has openings with an average opening diameter of 10 ?m or more and 90 ?m or less in its surface to serve as polishing surface layer.
    Type: Grant
    Filed: January 30, 2012
    Date of Patent: July 18, 2017
    Assignees: Toray Industries, Inc., Toray Coatex Co., Ltd.
    Inventors: Kuniyasu Shiro, Masaharu Wada, Hiroyasu Kato, Hajime Nishimura, Satoshi Yanagisawa, Yukihiro Matsuzaki
  • FABRIC-SOFTENING COMPOSITION COMPRISING AN HEUR THICKENER
    Publication number: 20170198238
    Abstract: The present invention relates to a fabric-softening composition, comprising a cationic fabric softening agent and a thickening polyurethane resulting from the condensation: a) of at least one compound of formula (I): R—[(OE)m-(OP)n—(OB)p]—OH ??(I) in which: R is a saturated or unsaturated, linear or branched carbon chain, containing from 17 to 24 carbon atoms, [(OE)m-(OP)n—(OB)p] represents an alkoxyl chain formed from alternating or statistical alkoxyl units, distributed in blocks, chosen from ethoxyl units OE, propoxyl units OP and butoxyl units OB and m, n and p represent, independently of each other, 0 or an integer ranging between 1 and 30, the sum of m, n and p being between 20 and 30, b) of at least one polyol, for example of at least one poly(alkylene glycol) and c) of at least one polyisocyanate.
    Type: Application
    Filed: July 16, 2015
    Publication date: July 13, 2017
    Applicant: COATEX
    Inventors: Yves KENSICHER, Yves MATTER, Jean-Marc SUAU
  • Use of depolymerised carboxylated celluloses for dispersing and grinding mineral materials
    Patent number: 9700863
    Abstract: The present invention concerns the use of depolymerized carboxylated celluloses as a dispersing agent or grinding aid agent for aqueous suspensions of mineral materials, intended for paint formulations, plastic formulations, detergent formulations, cosmetic formulations, paper formulations or paper coating colors.
    Type: Grant
    Filed: October 27, 2014
    Date of Patent: July 11, 2017
    Assignee: COATEX
    Inventors: Clementine Champagne, Christian Jacquemet, Jacques Mongoin, Jean-Marc Suau
  • Composition including a (meth)acrylic copolymer and pigment particles
    Patent number: 9700505
    Abstract: The present invention relates to the use in a sunscreen formulation containing pigment particles as UV-filtering mineral agents, new additives as agents improving the UV-absorbing capacities of said formulations, as well as sunscreen formulations including such agents.
    Type: Grant
    Filed: April 17, 2015
    Date of Patent: July 11, 2017
    Assignee: COATEX
    Inventors: Renaud Souzy, Jean-Marc Suau, Olivier Guerret
  • Use of formulations containing glycerol as a dry grinding aid agent of mineral matter
    Patent number: 9700895
    Abstract: 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.
    Type: Grant
    Filed: March 20, 2014
    Date of Patent: July 11, 2017
    Assignee: COATEX
    Inventors: Murielle Guillot, Jacques Mongoin, Olivier Guerret
  • AQUEOUS LIME SLURRY, PREPARATION PROCESS AND USES
    Publication number: 20170182456
    Abstract: Preparation of aqueous slurries of calcium dihydroxide. Preparation of aqueous suspensions of calcium hydroxide.
    Type: Application
    Filed: February 23, 2017
    Publication date: June 29, 2017
    Applicant: COATEX
    Inventors: Fabrizio BELLI, Jacques Mongoin, Angelo Berlendis
  • FABRIC SOFTENING COMPOSITION COMPRISING A HEUR THICKENER
    Publication number: 20170137751
    Abstract: The present invention relates to a fabric softening composition, comprising a cationic fabric softening agent and a thickening polyurethane resulting from the condensation: a) of at least one compound of formula (I): R-[(EO)m—(PO)n—(BO)p]—OH??(I) in which: R is a linear or branched carbon chain, including at least one unsaturation and having between 17 and 24 carbon atoms, [(EO)m—(PO)n—(BO)p] represents an alkoxylated chain constituted of alternating or statistical alkoxylated units, distributed in blocks, chosen from ethoxylated units EO, propoxylated units PO and butoxylated units BO and m, n and p represent, independently of each other, 0 or an integer ranging between 1 and 10, the sum of m, n and p being between 0 and 10, b) of at least one polyol, for example of at least one poly(alkylene glycol) and c) of at least one polyisocyanate.
    Type: Application
    Filed: July 16, 2015
    Publication date: May 18, 2017
    Applicant: COATEX
    Inventors: Yves KENSICHER, Yves MATTER, Jean-Marc SUAU
  • THICKENING AGENT FOR AQUEOUS SYSTEMS, FORMULATIONS CONTAINING SAME AND USE THEREOF
    Publication number: 20170101544
    Abstract: The present invention relates to novel associative thickeners belonging to the category of the HEURs (Hydrophobically modified Ethoxylated URethanes) comprising an associative compound of bicycloheptane type for thickening aqueous compositions, and also to formulations compositions comprising such thickeners and to the final compositions, for example paint, lacquer, varnish or paper coating colour formulations.
    Type: Application
    Filed: August 3, 2015
    Publication date: April 13, 2017
    Applicant: COATEX
    Inventors: Jean-Marc SUAU, Yves MATTER, Denis RUHLMANN
  • Macromonomers improving the thermal stability of (meth)acrylic comb polymers, use of these polymers in loaded plastic compositions
    Patent number: 9598523
    Abstract: 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: R-(A-O)m—(B—O)n—R???(I) wherein both m and n are non-zero and A and B designate alkyl groups having 2 to 4 carbon atoms, but different from one another. The invention further pertains to the implementation of the polymers obtained, as agents improving the thermal stability of the plastic compositions that contain them.
    Type: Grant
    Filed: December 18, 2009
    Date of Patent: March 21, 2017
    Assignee: COATEX S.A.S.
    Inventors: Olivier Guerret, Jacques Mongoin, Patrick Trouve
  • USE OF COPOLYMERS OF STYRENE AND OF MALEIC ANHYDRIDE FOR PREPARING PARTICLES OF MINERAL MATTER
    Publication number: 20170051152
    Abstract: The present invention relates to the use of copolymers obtained by polymerization of maleic anhydride and of styrene, for preparing particles of mineral matter having a weight-loss start temperature greater than or equal to 220° C., as measured by thermogravimetric analysis (TGA) between 150° C. and 600° C.
    Type: Application
    Filed: February 12, 2015
    Publication date: February 23, 2017
    Applicant: COATEX
    Inventors: Jacques MONGOIN, Christian JACQUEMET, Jean-Marc SUAU
  • METHOD FOR THICKENING A COSMETIC FORMULATION USING AN ALKALI SWELLABLE EMULSION OF A POLYMER WITH AMPS AND WHICH IS RICH IN ACRYLIC ACID
    Publication number: 20170027846
    Abstract: 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 he used in contact with skin.
    Type: Application
    Filed: October 12, 2016
    Publication date: February 2, 2017
    Applicant: COATEX
    Inventors: Renaud SOUZY, Jean-Marc SUAU, Yves KENSICHER, Olivier GUERRET
  • WATER-SOLUBLE THICKENING AGENT FOR AQUEOUS SYSTEMS, FORMULATIONS CONTAINING SAME AND USES THEREOF
    Publication number: 20160326382
    Abstract: The present invention relates to new associative thickeners belonging to the category of HEUR (Hydrophobically modified Ethoxylated URethane), as well as intermediate aqueous compositions containing such thickeners and end formulations, for example formulations of paint, lacquer, varnish or paper coating colour.
    Type: Application
    Filed: December 15, 2014
    Publication date: November 10, 2016
    Applicant: COATEX
    Inventors: Denis RUHLMANN, Jean-Marc SUAU, Yves MATTER
  • Alkali swellable acrylic emulsions without surfactants, use thereof in aqueous formulations, and formulations containing them
    Patent number: 9487597
    Abstract: 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.
    Type: Grant
    Filed: June 15, 2011
    Date of Patent: November 8, 2016
    Assignee: COATEX S.A.S.
    Inventor: Jean-Marc Suau
  • FLUIDITY-RETAINING AGENT FOR HYDRAULIC COMPOSITIONS, COMPATIBLE WITH A WATER-REDUCING AGENT OF THE COMB POLYMER TYPE
    Publication number: 20160289120
    Abstract: The present invention relates to the technical field of hydraulic compositions, for example concrete and mortar compositions. More precisely, the present patent application relates to a slump retaining agent which is compatible with a water-reducing agent of hydrophilic comb polymer type.
    Type: Application
    Filed: November 12, 2014
    Publication date: October 6, 2016
    Applicant: COATEX
    Inventors: David PLATEL, Yves MATTER, Jean-Marc SUAU
  • METHOD FOR POLYMERIZING METH(ACRYLIC) ACID IN A SOLUTION, POLYMER SOLUTIONS OBTAINED AND USES THEREOF
    Publication number: 20160280816
    Abstract: The present invention relates to a novel method for solvent-free preparation of a polymer of (meth)acrylic acid in solution, said polymer having a molecular weigh of less than 8,000 g/mol and a polydispersity index (PI) of 2 to 5 by radical polymerization.
    Type: Application
    Filed: November 17, 2014
    Publication date: September 29, 2016
    Applicant: COATEX
    Inventor: Jean-Marc SUAU