Patents by Inventor Jeffrey D. Felberg

Jeffrey D. Felberg 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).

  • Injection moldable polyamide imide from trimellitic anhydride end capped with aniline
    Patent number: 4755585
    Abstract: Novel polymers and molding compositions are prepared from acyl halide derivatives of tricarboxylic acids and diamines and about 1 to about 10 percent by weight of phthalic anhydride, trimellitic anhydride or aniline moieties. The polymers are useful in engineering plastics.
    Type: Grant
    Filed: July 25, 1986
    Date of Patent: July 5, 1988
    Assignee: Amoco Corporation
    Inventors: Robert B. Hanson, Jeffrey D. Felberg, Gary T. Brooks