Patents Assigned to Coatex
  • Method For Grinding Mineral Materials In The Presence Of Thickening Agents, Resulting Aqueous Suspensions And Uses Thereof
    Publication number: 20080072785
    Abstract: The invention concerns a process of grinding of mineral matter in water, in the presence of thickening agents, the stable suspensions of mineral matter ground in water obtained by the process according to the invention, and the use of the said suspensions in aqueous formulations, in particular formulations of linings such as aqueous paints, renderings, inks, coatings, sealants, adhesives, glues, and other aqueous formulations incorporating mineral matter. Finally, the invention concerns the aqueous formulations obtained according to the invention.
    Type: Application
    Filed: July 5, 2005
    Publication date: March 27, 2008
    Applicant: COATEX S.A.S.
    Inventors: Jean-Marc Suau, Denis Ruhlmann, Christian Jacquemet, Jacques Mongoin
  • Method of controlled free radical polymerisation of acrylic acid and its salts thereof, resulting low-polydispersity polymers, and their uses
    Patent number: 7345121
    Abstract: The present invention relates to the technical sector of the polymerisation of acrylic acid and its salts, more particularly in solution, more particularly by controlled radical method, the use of the corresponding organo-sulphurated transfer agents, the acrylic acid polymers thus obtained, having a very low polydispersity PD (or very low polymolecularity index IP, which is an equivalent term), and their applications in industry.
    Type: Grant
    Filed: February 28, 2002
    Date of Patent: March 18, 2008
    Assignee: Coatex S.A.S.
    Inventors: Jean-Marc Suau, Jean-Bernard Egraz, Jerome Claverie, Catherine Ladaviere
  • Method for Grinding Mineral Materials in the Presence of Binders, Resulting Aqueous Suspensions and Use Thereof
    Publication number: 20070249758
    Abstract: The invention concerns a process of grinding of mineral matter in water, in the presence of binders, the stable suspensions of mineral matter ground in water obtained by the process according to the invention, and the use of the said suspensions in aqueous formulations, in particular lining formulations such as aqueous paints, renderings, inks, coatings, sealants, adhesives, glues, and other aqueous formulations incorporating mineral matter. Finally, the invention concerns the aqueous formulations obtained according to the invention.
    Type: Application
    Filed: July 5, 2005
    Publication date: October 25, 2007
    Applicant: COATEX S.A.S.
    Inventors: Jean-Marc Suau, Denis Ruhlmann, Christian Jacquemet, 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
    Publication number: 20070197747
    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: March 23, 2005
    Publication date: August 23, 2007
    Applicant: Coatex S.A.S.
    Inventors: Jean-Marc Suau, Christian Jacquemet
  • Use of structured water-soluble polymers obtained by controlled radical polymerization as a dispersant and agent for assisting in the grinding of mineral materials
    Publication number: 20070185258
    Abstract: 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.
    Type: Application
    Filed: December 22, 2004
    Publication date: August 9, 2007
    Applicant: COATEX S.A.S.
    Inventors: Jean-Marc Suau, Christian Jacquemet, Yves Kensicher
  • Trithiocarbonate derivatives and the use thereof in the form of transfer agents for acrylic acid controlled radical polymerisation
    Publication number: 20070179262
    Abstract: 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.
    Type: Application
    Filed: March 23, 2005
    Publication date: August 2, 2007
    Applicant: Coatex S.A.S.
    Inventors: Jean-Marc Suau, Christian Jacquemet
  • Non-ionic thickeners for pigment compositions, in particular for paints and applications thereof
    Patent number: 7217761
    Abstract: The invention relates to the use of a compound with an alkylene oxide chain as a thickener of aqueous compositions, containing a filler and/or pigmented, white or colored, with the aim of supplying pigmentary compositions for paint which provide excellent pigmentary compatibility and a high viscosity at small and medium shear stress gradient. The invention also relates to the said non-ionic thickener as well as the aqueous composition, containing a filler and/or pigmented, white or colored, containing same.
    Type: Grant
    Filed: June 6, 2002
    Date of Patent: May 15, 2007
    Assignee: Coatex S.A.S.
    Inventors: Denis Ruhlmann, Jean-Marc Suau
  • METHOD FOR THE CONTROLLED RADICAL POLYMERISATION OF ACRYLIC ACID AND THE SALTS THEREOF, POLYMERS THUS OBTAINED AND APPLICATIONS THEREOF
    Publication number: 20070106042
    Abstract: The present invention concerns a process for controlled radical polymerisation of acrylic acid and its salts in a reactive medium constituted solely of water The invention also concerns homopolymers and copolymers of acrylic acid obtained by the polymerisation process. Finally, the invention concerns the use of the said homopolymers and copolymers of acrylic acid in fields of industry such as the paper field and in particular the coating of paper and the mass-filling of paper, the oil field, or the fields of paint, water treatment, detergency, ceramics, cements or hydraulic binders, public works, inks and varnishes, sizing of textiles or the finishing of leather.
    Type: Application
    Filed: December 22, 2006
    Publication date: May 10, 2007
    Applicant: COATEX S.A.S.
    Inventors: Jean-Marc SUAU, Jean-Bernard Egraz
  • Non-ionic thickeners for pigment compositions, in particular paints and applications thereof
    Publication number: 20070066752
    Abstract: The invention relates to the use of a compound with an alkylene oxide chain as a thickener of aqueous compositions, containing a filler and/or pigmented, white or coloured, with the aim of supplying pigmentary compositions for paint which provide excellent pigmentary compatibility and a high viscosity at small and medium shear stress gradient. The invention also relates to the said non-ionic thickener as well as the aqueous composition, containing a filler and/or pigmented, white or coloured, containing same.
    Type: Application
    Filed: November 1, 2006
    Publication date: March 22, 2007
    Applicant: COATEX S.A.S.
    Inventors: Denis Ruhlmann, Jean-Marc Suau
  • Water soluble retention agent
    Patent number: 7138160
    Abstract: The use, for the manufacture of paper coating colors, of a copolymer water-soluble in a neutral or alkaline medium as an agent for simultaneously adjusting the water retention of the coating colors and the Brookfield viscosity of the said coating colors; a water-retention agent comprising the copolymer; and coating colors and the coated paper and cardboard thus obtained.
    Type: Grant
    Filed: July 10, 2000
    Date of Patent: November 21, 2006
    Assignee: Coatex S.A.S.
    Inventors: Francois Dupont, Henri Grondin, Georges Ravet, Jean-Marc Suau
  • Grinding and/or for dispersing aid of mineral materials in aqueous suspension, resulting aqueous suspensions and uses thereof
    Patent number: 7115692
    Abstract: The invention relates to the use of water-soluble homopolymers and/or copolymers of acrylic and/or methacrylic acid with one or more acrylic, vinyl or allyl monomers as a dispersion and/or grinding-aid agent for mineral particles in aqueous suspension. The invention also concerns the said aqueous suspensions as well as their uses in the fields of paper, paint and plastics materials.
    Type: Grant
    Filed: December 18, 2001
    Date of Patent: October 3, 2006
    Assignee: Coatex S.A.S.
    Inventors: Jacques Mongoin, Christian Jacquemet, Jean-Marc Suau
  • Grinding aid of mineral materials in aqueous suspension, resulting aqueous suspensions and uses thereof
    Publication number: 20060148951
    Abstract: The invention concerns the use of hydrosoluble homopolymers and/or copolymers of acrylic/or methacrylic acid with one or more acrylic, vinyl or allyl monomers as an aid to the grinding of mineral particles in aqueous suspension, providing them by their use particular optical properties. The invention also concerns the said aqueous suspensions and their uses in the fields of paper and paint.
    Type: Application
    Filed: March 6, 2006
    Publication date: July 6, 2006
    Applicant: COATEX S.A.S.
    Inventors: Xueping Qiu, Jacques Mongoin, Christian Jacquemet
  • Acrylic copolymer agents based on urethane for improving the workability of hydraulic binders, preparation method, binders containing same and uses thereof
    Patent number: 7064161
    Abstract: The invention relates to the technical field of mortars, concretes, and other compositions based on cement, and in particular to agents capable of modifying their rheological characteristics, in particular workability. Workability may be defined as the property of a hydraulic binder to remain workable during as long a time as possible. The invention relates to novel agents of the acrylic copolymer type having urethane functions for improving the workability of hydraulic binders, to a method of preparing such novel agents, to binders containing them, and to uses for them. Such agents have the advantageous property of not retarding the setting time.
    Type: Grant
    Filed: August 8, 2003
    Date of Patent: June 20, 2006
    Assignee: Coatex S.A.
    Inventors: Yves Kensicher, Jean-Marc Suau
  • Method for improving the mechanical strength of cement matrices, and cement matrices produced thereby
    Patent number: 7030184
    Abstract: The mechanical property known as “strength at young ages” of cement matrices or hydraulic binders may be significantly improved by adding dispersions of mineral fillers and dispersing agents. The dispersing agents of the present invention comprise copolymers prepared by the radical copolymerization of at least one alkoxy-, aryloxy-, alkylaryloxy- or arylalkyloxy-polyalkylene glycol ethylenic urethane monomer with at least one anionic monomer and at least one non-ionic monomer, and optionally, an alkoxy-, aryloxy-, alkylaryloxy- or arylalkyloxy-polyalkylene glycol acrylate or methacrylate or an alkyloxy-, aryloxy-, alkylaryloxy- or arylalkyloxy-polyalkylene glycol allyl ether, and/or a crosslinking agent.
    Type: Grant
    Filed: September 26, 2003
    Date of Patent: April 18, 2006
    Assignee: COATEX, S.A.S.
    Inventors: Pascal Gonnon, Yves Kensicher, Christian Jacquemet
  • Novel acrylic copolymer agents based on urethane for improving the workability of hydraulic binders, preparation method, binders containing same and uses thereof
    Publication number: 20060020059
    Abstract: The invention relates to the technical field of mortars, concretes, and other compositions based on cement, and in particular to agents capable of modifying their rheological characteristics, in particular workability. Workability may be defined as the property of a hydraulic binder to remain workable during as long a time as possible. The invention relates to novel agents of the acrylic copolymer type having urethane functions for improving the workability of hydraulic binders, to a method of preparing such novel agents, to binders containing them, and to uses for them. Such agents have the advantageous property of not retarding the setting time.
    Type: Application
    Filed: August 8, 2005
    Publication date: January 26, 2006
    Applicant: COATEX S.A.
    Inventors: Yves Kensicher, Jean-Marc Suau
  • Water soluble retention agent
    Publication number: 20050288428
    Abstract: The use, for the manufacture of paper coating colors, of a copolymer water-soluble in a neutral or alkaline medium as an agent for simultaneously adjusting the water retention of the coating colors and the Brookfield viscosity of the said coating colors. A novel water-retention agent for paper coating colors, water-soluble in a neutral or alkaline medium. The coating colors and the coated paper and cardboard thus obtained.
    Type: Application
    Filed: August 31, 2005
    Publication date: December 29, 2005
    Applicant: COATEX S.A.
    Inventors: Francois Dupont, Henri Grondin, Georges Ravet, Jean-Marc Suau
  • Method of improving the mechanical strength, particularly the strength “at young ages” of cement matrices, and the cement matrices obtained thereby
    Patent number: 6960624
    Abstract: Cements or hydraulic binders may be prepared by adding an aqueous suspension comprising a ground mineral filler and at least one grinding aid agent to a cement or hydraulic binder. The resulting cement or hydraulic binder has very appreciably improved mechanical properties, particularly the property of “strength at young ages.” The grinding aid agent may be a natural or synthetic homopolymer and/or copolymer.
    Type: Grant
    Filed: June 3, 2003
    Date of Patent: November 1, 2005
    Assignee: Coatex S.A.S.
    Inventors: Pascal Gonnon, Yves Kensicher, Christian Jacquemet
  • Grinding and/or dispersing aid of mineral materials in aqueous suspension, resulting aqueous suspensions and uses thereof
    Publication number: 20050234176
    Abstract: The invention relates to the use of water-soluble homopolymers and/or copolymers of acrylic and/or methacrylic acid with one or more acrylic, vinyl or allyl monomers as a dispersion and/or grinding-aid agent for mineral particles in aqueous suspension. The invention also concerns the said aqueous suspensions as well as their uses in the fields of paper, paint and plastics materials.
    Type: Application
    Filed: June 28, 2005
    Publication date: October 20, 2005
    Applicant: COATEX S.A.S.
    Inventors: Jacques Mongoin, Christian Jacquemet, Jean-Marc Suau
  • Method for obtaining water-soluble polymers, resulting polymers and uses thereof
    Patent number: 6956090
    Abstract: A method of obtaining homopolymers and/or copolymers in aqueous solution by the use of phosphorous acid and/or its salts or sodium hypophosphite and by neutralization during the polymerisation of the ethylenically unsaturated monomers by the continuous addition, first of all, of bases such as sodium hydroxide, potassium hydroxide or lithium hydroxide and then bases of alkaline earths such as calcium hydroxide, magnesium hydroxide, calcium oxide or magnesium oxide. The polymers obtained by the said method and uses thereof.
    Type: Grant
    Filed: September 13, 2000
    Date of Patent: October 18, 2005
    Assignee: Coatex S.A.
    Inventors: Jean-Marc Suau, Christian Jacquemet, Jean-Bernard Egraz, Jacques Mongoin
  • Method for improving the mechanical strength, particularly the strength "at young ages" of cement matrices, and the cement matrices obtained thereby
    Publication number: 20050215671
    Abstract: Cements or hydraulic binders may be prepared by adding an aqueous suspension comprising a ground mineral filler and at least one grinding aid agent to a cement or hydraulic binder. The resulting cement or hydraulic binder has very appreciably improved mechanical properties, particularly the property of “strength at young ages.” The grinding aid agent may be a natural or synthetic homopolymer and/or copolymer.
    Type: Application
    Filed: May 19, 2005
    Publication date: September 29, 2005
    Applicant: COATEX S.A.S.
    Inventors: Pascal Gonnon, Yves Kensicher, Christian Jacquemet