Patents Examined by R. E. Sellers
  • Powder coating compositions of polyepoxides, acrylic copolymers and aliphatic or polyester dibasic acids
    Patent number: 5008335
    Abstract: A thermosetting powder coating composition and a coated article are disclosed. The composition comprises a coreactable particulate mixture of an acid group-containing acrylic polymer and a compatible epoxy novolac resin and an incompatible epoxy resin. The compositions have a good balance of properties and are useful as coatings for appliance, general industrial and automotive applications.
    Type: Grant
    Filed: January 29, 1990
    Date of Patent: April 16, 1991
    Assignee: PPG Industries, Inc.
    Inventor: Paul H. Pettit, Jr.