Patents by Inventor Deborah L. Stone

Deborah L. Stone 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).

  • Epoxy resin toughened with a polyether sulfone and polyarylsulfidesulfone
    Patent number: 5434226
    Abstract: Thermosetting resin systems exhibiting improved performance characteristics when utilized in composite product applications, said resin systems being modified with a polyarylsulfidesulfone dispersed therein and with a polyethersulfone dissolved therein.
    Type: Grant
    Filed: January 28, 1994
    Date of Patent: July 18, 1995
    Assignee: Ciba-Geigy Corporation
    Inventors: Ly D. Nguyen, Matthew A. Lowry, Deborah L. Stone, Julie A. Underwood