Patents by Inventor Bruno RC Langlois

Bruno RC Langlois has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Polymers which exhibit thermothickening properties and process making same
    Patent number: 6838514
    Abstract: A polymer produced by polymerizing via water-in-oil emulsion polymerization one or more water soluble monomers with one or more polyalkoxylated monomers wherein said one or more polyalkoxylated monomers contains at least 25 alkylene oxide units and wherein said product demonstrates thermothickening properties, its method of manufacture and use thereof is disclosed.
    Type: Grant
    Filed: April 9, 2003
    Date of Patent: January 4, 2005
    Assignee: Rhodia Inc.
    Inventors: Dominic Wai Kwing Yeung, Leo Zhaoqing Liu, Bruno RC Langlois, Dominique Charmot, Pascale Corpart
  • Polymers which exhibit thermothickening properties and process making same
    Publication number: 20030204014
    Abstract: A polymer produced by polymerizing via water-in-oil emulsion polymerization one or more water soluble monomers with one or more polyalkoxylated monomers wherein said one or more polyalkoxylated monomers contains at least 25 alkylene oxide units and wherein said product demonstrates thermothickening properties, its method of manufacture and use thereof is disclosed.
    Type: Application
    Filed: April 9, 2003
    Publication date: October 30, 2003
    Inventors: Dominic Wai-Kwing Yeung, Leo Zhaoqing Liu, Bruno Rc Langlois, Dominique Charmot, Pascale Corpart