Patents by Inventor Spencer A. Gilliam

Spencer A. Gilliam 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).

  • Multicomponent polyester/polycarbonate blends with improved impact strength and processability
    Patent number: 5207967
    Abstract: The present invention relates to polyester/polycarbonate blends having improved low temperature impact strength and processability. More particularly, this invention relates to a thermoplastic molding composition containing an aromatic carbonate polymer, a poly(1,4-cyclohexylenedimethylene terephthalate) (PCT) resin, and a copolyester which consists essentially of repeat units from mixtures of isophthalic acid, terephthalic acid and 1,4-cyclohexanedimethanol.
    Type: Grant
    Filed: March 2, 1992
    Date of Patent: May 4, 1993
    Assignee: Eastman Kodak Company
    Inventors: James D. Small, Jr., Spencer A. Gilliam