Patents Examined by Lesek Kiliman
  • Paper coating composition, paper coated therewith and method for producing coated paper
    Patent number: 8778504
    Abstract: This invention relates to a paper coating composition for enhancing the stiffness of paper or paperboard, comprising an alkali soluble polymer prepared by polymerization of at least one monomer A and at least one monomer B, wherein monomer A is selected from the following group: acrylic acid alkyl esters, methacrylic acid alkyl esters styrene, methyl styrene, acrylonitrile, vinyl acetate. 2 hydroxy alkyl acrylate, and monomer B is selected from the following group: acrylic acid, methacrylic acid, itaconic acid (meth)acrylamide.
    Type: Grant
    Filed: May 19, 2011
    Date of Patent: July 15, 2014
    Assignee: Clariant Production (France)
    Inventors: Jean Yves Anquetil, Damien Corpet