Patents by Inventor David E. Higbee

David E. Higbee 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).

  • Patent number: 3979543
    Abstract: Addition of a siliceous material having a particle size of less than 10 microns to a poly(arylene sulfide) coating formulation yields a coating with improved surface characteristics for use as a release coating in conjunction with high temperature molding, extruding, or material handling equipment.
    Type: Grant
    Filed: May 14, 1975
    Date of Patent: September 7, 1976
    Assignee: Phillips Petroleum Company
    Inventor: David E. Higbee
  • Patent number: 3968289
    Abstract: A composition comprising at least one poly(arylene sulfide) resin and at least one polyoxyethylated vegetable oil is employed to coat a surface of a substrate. The coating can be heated to fuse and cure the resin.
    Type: Grant
    Filed: November 22, 1974
    Date of Patent: July 6, 1976
    Assignee: Phillips Petroleum Company
    Inventor: David E. Higbee