Patents Examined by Vasa S. Jagannathan
  • Water and oil repellant
    Patent number: 5057577
    Abstract: A water and oil repellant comprising, as effective component, polymer particles each containing at least two polymers, wherein at least one of said at least two polymers is a polymer containing a polyfluoroalkyl group.
    Type: Grant
    Filed: March 12, 1990
    Date of Patent: October 15, 1991
    Assignee: Asahi Glass Company Ltd.
    Inventors: Masashi Matsuo, Takashige Maekawa, Katsuji Ito