Patents by Inventor Oliver Keith Gannon

Oliver Keith Gannon has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Addition of additives to polymeric materials
    Patent number: 6149850
    Abstract: A process for introducing additives into a polymer melt comprising dispersing at least one additive in an at least partially volatile liquid vehicle with a dispersant and a stabilizer for the dispersion; feeding the resulting dispersion to a vented extruder which is extruding a polymer; and removing the fed volatiles through the extruder vent to achieve a substantially homogeneous system containing the polymer and at least one additive is disclosed.
    Type: Grant
    Filed: December 10, 1993
    Date of Patent: November 21, 2000
    Assignee: BASF Corporation
    Inventor: Oliver Keith Gannon