Patents Examined by John J. Guarrillo
  • Anti-fogging resin film-forming composition
    Patent number: 5180760
    Abstract: An anti-fogging resin film-forming composition, comprising a block or graft copolymer and a surfactant, each of which block and graft copolymers consists of a hydrophilic polymer segment and a hydrophobic polymer segment having specifically limited monomer compositions, is disclosed. A coating film formed on a matrix surface from the composition has a durable excellent anti-fogging property and having high adhesion to the matrix surface and high strength.
    Type: Grant
    Filed: September 10, 1991
    Date of Patent: January 19, 1993
    Assignee: Nippon Oil and Fats Company, Limited
    Inventors: Yoshihiro Oshibe, Toshihiro Izumi, Hideki Doya, Hiroshi Ohmura, Yasuhiro Yamamoto, Keiji Kumazawa