Patents by Inventor Koichiro Murato

Koichiro Murato 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).

  • Stable dispersion of vinyl polymer
    Patent number: 3956225
    Abstract: A stable dispersion of vinyl polymer dispersed in an organic dispersion medium, said dispersed vinyl polymer being prepared from a vinyl monomer in said dispersion medium in the presence of a dispersion stabilizer which is soluble in said dispersion medium, and said dispersion stabilizer being a copolymer having comb structure which is obtained by copolymerization of vinyl monomer and aliphatic chain monomer in a solvent, further said aliphatic chain monomer being prepared by half-esterification between an alkyl succinic anhydride and a hydroxyalkyl ester of acrylic acid or methacrylic acid.
    Type: Grant
    Filed: July 13, 1973
    Date of Patent: May 11, 1976
    Assignee: Kansai Paint Co., Ltd.
    Inventors: Koichiro Murato, Minoru Shibata, Tadashi Watanabe