Patents by Inventor Minako Shindo

Minako Shindo 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).

  • Water-and-oil repellant composition of aqueous dispersion type and process for producing the same
    Patent number: 6653376
    Abstract: A water dispersion type water and oil repellent composition which is capable of imparting durable water resistance to clothing for which high water and oil repellency is required and which is capable of imparting high oil repellency to paper. The water dispersion type water and oil repellent composition comprises 1) an aqueous medium, 2) a polymer of a monomer having a polyfluoroalkyl group and one polymerizable unsaturated group and 3) a mono(or poly)ol or an alkylene oxide thereof, as essential components.
    Type: Grant
    Filed: January 21, 2000
    Date of Patent: November 25, 2003
    Assignee: Asahi Glass Company Ltd.
    Inventors: Shuichiro Sugimoto, Kyouichi Kaneko, Takashige Maekawa, Minako Shindo
  • WATER-AND-OIL REPELLANT COMPOSITION OF AQUEOUS DISPERSION TYPE AND PROCESS FOR PRODUCING THE SAME
    Publication number: 20030153664
    Abstract: A water dispersion type water and oil repellent composition which is capable of imparting durable water resistance to clothing for which high water and oil repellency is required and which is capable of imparting high oil repellency to paper. The water dispersion type water and oil repellent composition comprises 1) an aqueous medium, 2) a polymer of a monomer having a polyfluoroalkyl group and one polymerizable unsaturated group and 3) a mono(or poly)ol or an alkylene oxide thereof, as essential components.
    Type: Application
    Filed: January 21, 2000
    Publication date: August 14, 2003
    Inventors: SHUICHIRO SUGIMOTO, KYOUICHI KANEKO, TAKASHIGE MAEKAWA, MINAKO SHINDO
  • Phosphate type water and oil repellent composition
    Patent number: 6315822
    Abstract: A water and oil repellent composition comprising, as essential components, a phosphate of the following formula 1, a nonionic surfactant made of a compound containing at least one carbon-carbon triple bond and at least one hydroxyl group in its molecule and an aqueous medium: (Rf—Q—O—)mPO(OH)n(O−)3−m−n.(Y+)3−m−n  Formula 1 wherein Rf is a polyfluoroalkyl group, Q is a bivalent organic group, Y+ is a monovalent counter ion, m is an integer of from 1 to 3, and n is an integer of from 0 to 2, provided that (m+n) is 1, 2 or 3.
    Type: Grant
    Filed: November 5, 1999
    Date of Patent: November 13, 2001
    Assignee: Asahi Glass Company Ltd.
    Inventors: Kazuya Oharu, Minako Shindo