Patents Assigned to Coatex S.A.
  • USE OF (METH)ACRYLIC POLYMERS IN A METHOD FOR MANUFACTURE OF AN AQUEOUS SUSPENSION OF CALCIUM CARBONATE
    Publication number: 20110092629
    Abstract: 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.
    Type: Application
    Filed: June 16, 2009
    Publication date: April 21, 2011
    Applicant: COATEX S.A.S.
    Inventors: Jacques Mongoin, Christian Jacquemet, Jean-Marc Suau
  • USE OF ALPHA-OLEFIN OR GLYCIDYL ETHER EPOXY-BASED POLYETHERS AS THICKENING AGENTS FOR WATER-BASED PAINT IN THE PRESENCE OF SURFACE ACTIVE AGENTS
    Publication number: 20110092615
    Abstract: 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 CxH2x+1—(OX)y—OH where OX designates an oxylakylated unit, and characterized in that: for the polyether, the molar ratio (polyoxyalkylene:alpha-olefin epoxy or aliphatic or aromatic glycidyl ether) is between (1:4) and (1:10), for the surface active agent, 6?x?12 and 5?y?12, said solution exhibits a mass ratio (polyether/surface active agent) of between 2.0 and 0.5, and exhibits a water content of 30% to 75% of its total weight. Another object is the paint containing such a thickening system.
    Type: Application
    Filed: June 4, 2009
    Publication date: April 21, 2011
    Applicant: COATEX S.A.S.
    Inventors: Denis Ruhlmann, Jean-Marc Suau
  • POLYCOSANOL-BASED ASSOCIATIVE MONOMERS, CORRESPONDING ASSOCIATIVE THICKENING AGENTS AND THEIR USES
    Publication number: 20110065836
    Abstract: 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.
    Type: Application
    Filed: July 27, 2010
    Publication date: March 17, 2011
    Applicant: COATEX S.A.S.
    Inventors: Jean-Marc Suau, Denis Ruhlmann
  • CARDANOL-BASED ASSOCIATIVE POLYURETHANES, CORRESPONDING ASSOCIATIVE THICKENERS AND USES THEREOF
    Publication number: 20110060101
    Abstract: New associative polyurethanes which are manufactured with cardanol which is potentially oxyethylated. Use of these polyurethanes as thickening agents for aqueous formulations.
    Type: Application
    Filed: August 19, 2010
    Publication date: March 10, 2011
    Applicant: COATEX S.A.S.
    Inventors: Jean-Marc SUAU, Denis Ruhlmann
  • USE OF AN ACRYLIC DISPERSING AGENT - ASSOCIATIVE THICKENER PAIR IN AN ALKIDE PAINT FOR IMPROVING THE RETENTION OF ITS BRIGHTNESS LEVEL
    Publication number: 20110046280
    Abstract: The invention consists of the use, in an alkide resin formulation in an aqueous phase, of a dispersing agent/thickener pair: the dispersing agent is a copolymer of (meth)acrylic acid with an oxyalkylated monomer possessing a polymerizable function and terminated by hydrogen or an alkyl group having from 1 to 4 carbon atoms, the thickener is an associative thickener containing at least one hydrophobic group which is a polystyrylphanyl, preferentially chosen from among distyrylphenyl, tristyrylphenyl, and mixtures thereof, and which is very preferentially tristyrylphenyl. This combination makes it possible to improve the brightness level retention of the paint film over time, while ensuring that the aqueous formulation has the desired rheology.
    Type: Application
    Filed: April 29, 2009
    Publication date: February 24, 2011
    Applicant: COATEX S.A.S.
    Inventors: Denis Ruhlmann, Jean-Marc Suau
  • POLYMERS PRODUCED BY USING SULPHUR COMPOUNDS IN THE FORM OF TRANSFER AGENTS FOR CONTROLLED RADICAL POLYMERISATION OF ACRYLIC ACID AND THE USE THEREOF
    Publication number: 20110033558
    Abstract: 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.
    Type: Application
    Filed: October 21, 2010
    Publication date: February 10, 2011
    Applicant: COATEX S.A.S.
    Inventors: Jean-Marc Suau, Christian Jacquemet
  • USE OF A MINERAL-MATERIAL STERIC DISPERSING AGENT IN WATER, AQUEOUS DISPERSION THUS OBTAINED AND USE THEREOF IN PAPER MAKING
    Publication number: 20100314061
    Abstract: 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.
    Type: Application
    Filed: October 10, 2007
    Publication date: December 16, 2010
    Applicant: COATEX S.A.S.
    Inventors: Olivier Guerret, Francois Dupont, Jacques Mongoin
  • Polymers produced by using sulphur compounds in the form of transfer agents for controlled radical polymerisation of acrylic acid and the use thereof
    Patent number: 7851572
    Abstract: The invention concerns the polymers obtained by the use of sulphur compounds in a process for controlled radical polymerization 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.
    Type: Grant
    Filed: March 23, 2005
    Date of Patent: December 14, 2010
    Assignee: Coatex S.A.S.
    Inventors: Jean-Marc Suau, Christian Jacquemet
  • ACRYLIC THICKENER COMPRISING A BRANCHED HYDROPHOBIC-CHAIN FOR A PAPER COATING SLIP WITH IMPROVED WATER RETENTION
    Publication number: 20100311888
    Abstract: The invention consists of the use, within a method for manufacturing a paper coating, as a thickening agent of said coating, of a water-soluble polymer characterized in that it is made up of at least one ethylenically-unsaturated anionic monomer, of at least one ethylenically-unsaturated oxyalkylated monomer terminated by a branched hydrophobic alkyl, alkylaryl, arylalkyl, or aryl chain having 14 to 24 carbon atoms, and possessing 2 branches having at least 6 carbon atoms. The water retention of said coating is thereby improved, which contributes to a better printability of the paper coated by said coating.
    Type: Application
    Filed: December 2, 2008
    Publication date: December 9, 2010
    Applicant: COATEX S.A.S.
    Inventors: Francois Dupont, Jean-Marc Suau, Jacques Mongoin
  • (METH)ACRYLIC COMB POLYMER CONTAINING A (METH)ACRYLIC ESTER AS A DISPERSING AND ANTI-DEFOAMING AGENT IN AN AQUEOUS SUSPENSION OF CALCIUM SULFATE HEMIHYDRATE
    Publication number: 20100304167
    Abstract: This invention relates to the use, in a foamy aqueous suspension of calcium sulfate hemihydrate, as an agent having the dual function of being a dispersing agent and an anti-defoaming agent, of a comb polymer made up of (meth)acrylic acid, a monomer which is an alcoxy- or hydroxy-polyalkylene glycol, and an ester of (meth)acrylic acid. It also relates to the aqueous suspensions thereby formed, and the plasterboard manufactured from 2 sheets of paper containing a body resulting from the drying of said suspensions.
    Type: Application
    Filed: April 16, 2010
    Publication date: December 2, 2010
    Applicant: COATEX S. A.S.
    Inventors: Jean-Marc SUAU, Yves Kensicher
  • USE OF PHOSPHORIC ACID TO REDUCE THE QUANTITY OF FREE DISPERSING AGENT IN A METHOD FOR CONCENTRATING CALCIUM CARBONATE IN WATER
    Publication number: 20100298480
    Abstract: 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.
    Type: Application
    Filed: July 28, 2008
    Publication date: November 25, 2010
    Applicant: Coatex S.A.S.
    Inventors: Christian Jacquemet, Jacques Mongoin
  • FORMULATIONS OF ORGANO-PLATINIC COMPOUNDS IN THE PRESENCE OF ASSOCIATIVE POLYMERS, PRODUCTS THUS OBTAINED AND USES THEREOF
    Publication number: 20100278925
    Abstract: The invention consists of formulations based on compounds of platinum encapsulated by associative and water-soluble polymers. These formulations are in aqueous form or in the form of granulates. The invention further pertains to pharmaceutical preparations which contain these formulations, and their implementation in the fabrication of an orally administered medication, in polychemotherapy treatments.
    Type: Application
    Filed: October 7, 2008
    Publication date: November 4, 2010
    Applicant: Coatex S.A. S.
    Inventors: Olivier Guerret, Jean-Marc Suau
  • METHOD OF MANUFACTURING COMB POLYMERS BY ADDING AN ANTIOXIDANT, POLYMERS OBTAINED, AND APPLICATIONS THEREOF
    Publication number: 20100273923
    Abstract: 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.
    Type: Application
    Filed: December 11, 2008
    Publication date: October 28, 2010
    Applicant: COATEX S.A.S.
    Inventors: Jean-Marc Suau, David Platel
  • USE OF HOMOPOLYMERS OF MALEIC ACID AND ITS SALTS AS SCALE-INHIBITING AGENTS AND ANTI-STICK AGENTS
    Publication number: 20100273699
    Abstract: 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.
    Type: Application
    Filed: April 27, 2010
    Publication date: October 28, 2010
    Applicant: COATEX S.A.S.
    Inventors: Yves KENSICHER, Jean-Marc Suau
  • METHOD FOR ENCAPSULATING OILS IN AN AQUEOUS MEDIUM WITH HASE POLYMER EMULSIONS, PRODUCTS OBTAINED, AND USES THEREOF
    Publication number: 20100267564
    Abstract: 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.
    Type: Application
    Filed: December 3, 2008
    Publication date: October 21, 2010
    Applicant: COATEX S.A.S.
    Inventors: Jean Moro, David Platel, Jean-Marc Suau, Olivier Guerret
  • METHOD FOR DISPERSING ALKYD RESINS WITH ASSOCIATIVE POLYMERS IN WATER, FORMULATIONS THUS OBTAINED AND AQUEOUS PAINTS CONTAINING SAME
    Publication number: 20100267890
    Abstract: 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.
    Type: Application
    Filed: February 25, 2009
    Publication date: October 21, 2010
    Applicant: COATEX S.A.S
    Inventors: Jean-Marc Suau, Denis Ruhlmann, Olivier Guerret
  • Use of water-soluble acrylic copolymers in optionally pigmented aqueous formulations and resulting formulations
    Patent number: 7790800
    Abstract: The invention concerns the use as a thickening agent, in possibly pigmented aqueous formulations, such as coating formulations such as paints in the aqueous phase such as dispersion paints, varnishes, paper coatings, cosmetic formulations, detergent formulations, textile formulations and drilling muds, of a water-soluble acrylic copolymer consisting of at least one monomer with ethylenic unsaturation and a carboxylic function, at least one non-ionic monomer with ethylenic unsaturation, at least one oxyalkylated monomer with ethylenic unsaturation terminated by a hydrophobic branched and non-aromatic chain with 10 to 24 carbon atoms, and possibly at least one monomer with at least two ethylenic unsaturations. The invention also concerns the possibly pigmented aqueous formulations obtained.
    Type: Grant
    Filed: July 5, 2005
    Date of Patent: September 7, 2010
    Assignee: Coatex S.A.S.
    Inventors: Jean-Marc Suau, Yves Kensicher, Denis Ruhlmann
  • METHOD FOR NEUTRALIZING A WATER-SOLUBLE ACRYLIC POLYMER BY AT LEAST ONE MONOVALENT AGENT AND AT LEAST ONE DIVALENT AGENT, AND POLYMERS OBTAINED
    Publication number: 20100216962
    Abstract: 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.
    Type: Application
    Filed: February 16, 2010
    Publication date: August 26, 2010
    Applicant: COATEX S.A.S
    Inventors: Olivier GUERRET, Jean-Marc SUAU
  • METHOD FOR FORMULATING AGROCHEMICAL ACTIVE INGREDIENTS SO AS TO REGULATE THEIR RELEASE KINETICS, PROTECT THEM FROM OUTSIDE STRESSES, AND KEEP THEIR USERS SAFE
    Publication number: 20100203170
    Abstract: 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.
    Type: Application
    Filed: June 13, 2008
    Publication date: August 12, 2010
    Applicant: COATEX S.A.S.
    Inventors: Olivier Guerret, Jean-Marc Suau, Yves Kensicher
  • Use of a copolymer having at least one grafted alkoxy or hydroxy polyalkylene glycol function as an agent for improving optical brightening activation, and products obtained
    Patent number: 7772351
    Abstract: The invention relates to a water-soluble copolymer having at least one alkoxy or hydroxyl polyalkylene glycol function grafted onto at least one ethylenically unsaturated monomer, as an agent to improve the activation of the optical brightness of the end product, in the fields of paper, textile, detergents and paint.
    Type: Grant
    Filed: November 5, 2003
    Date of Patent: August 10, 2010
    Assignee: Coatex S.A.S.
    Inventors: Francois Dupont, Christian Jacquemet, Jean-Marc Suau, Jacques Mongoin