Patents by Inventor Stephen C. Bunnell

Stephen C. Bunnell 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).

  • Substantially transparent flame retardant aromatic polycarbonate compositions
    Patent number: 4954549
    Abstract: Flame retardant aromatic polycarbonate blends are provided which are capable of being tested V-O under UL-94 test conditions. A triarylsilicon material such as triphenylsilanol is incorporated into the aromatic polycarbonate to provide transparent, flame retardant compression moldable thermo-plastics capable of satisfying the UL-94 V-O requirement at 1/16".
    Type: Grant
    Filed: August 28, 1989
    Date of Patent: September 4, 1990
    Assignee: General Electric Company
    Inventors: Larry N. Lewis, Stephen C. Bunnell