Patents Assigned to BASF Corpotation
  • Incorporating titanium dioxide in polymeric materials
    Patent number: 6410614
    Abstract: A concentrate containing titanium dioxide is made by employing a carrier that is a liquid below about 25° C. and which has ester functionality. The concentrate may be added directly to a host polymer to provide a high concentration of titanium dioxide without causing processing interruptions. Milling of the concentration is unnecessary.
    Type: Grant
    Filed: March 3, 2000
    Date of Patent: June 25, 2002
    Assignee: BASF Corpotation
    Inventors: Frank R. Jones, Stanley A. McIntosh, Raymond L. Denney