Patents by Inventor Judith A. Serth

Judith A. Serth 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).

  • Polyimide composition and polyimide composite
    Patent number: 5688848
    Abstract: A polyimide composition and polyimide composite are provided. The composition has a polyimide resin, a reactive plasticizer and a phosphate. The composition is crosslinked and exhibits desired levels of processability and improved thermooxidative stability. The composites have a polyimide resin, a phosphate and reinforcing fibers, and exhibit reduced wear and friction. The compositions and composites are useful for making aircraft engine hardware such as bushings.
    Type: Grant
    Filed: October 25, 1996
    Date of Patent: November 18, 1997
    Assignee: General Electric Company
    Inventors: James A. Cella, Gary K. Shank, Judith A. Serth