Patents Examined by Scott L. Hertz
  • Patent number: 5318625
    Abstract: A pigment composition of improved dispersibility in thermoplastic resins and concentrates of the pigment composition in thermoplastic resin are provided. The pigment composition is comprised of an inorganic pigment such as titanium dioxide having an organophosphate ester treating agent deposited thereon.
    Type: Grant
    Filed: October 19, 1992
    Date of Patent: June 7, 1994
    Assignee: Kerr-McGee Chemical Corporation
    Inventor: Rodney D. Stramel