Patents by Inventor Keith Thompson

Keith Thompson 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).

  • Thermoplastic polyester compositions
    Patent number: 4000109
    Abstract: Poly(tetramethylene terephthalate) compositions containing at least 2.5% by weight of the composition of a finely divided metal borate stable under the normal processing conditions for the polyester.
    Type: Grant
    Filed: July 28, 1975
    Date of Patent: December 28, 1976
    Assignee: Imperial Chemical Industries Limited
    Inventors: Clive Percy Smith, Martin Keith Thompson