Patents Examined by Michl
  • Crosslinked polyvinyl chloride film
    Patent number: 3936411
    Abstract: Coating compositions comprising polyvinyl chloride are prepared by mixing a solution of polyvinyl chloride in an active solvent with an acrylic mixture and subjecting the mixture to ionizing irradiation. The cured films are hard, stain-resistant, heat-resistant, and mar-resistant.
    Type: Grant
    Filed: October 15, 1973
    Date of Patent: February 3, 1976
    Assignee: PPG Industries, Inc.
    Inventor: Ernest A. Hahn