Patents by Inventor I-Chung Wayne Wang

I-Chung Wayne Wang 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).

  • Dual graft stage and thermally stabilized polyorganosiloxane/polyvinyl-based graft copolymers and thermoplastic compositions containing the same
    Patent number: 5840802
    Abstract: Low temperature ductile and impact resistant compositions are provided which comprise a polycarbonate resin and a dual graft multi-stage polyorganosiloxane/polyvinyl-based graft polymer composition. Also provided are thermally stabilized multi-stage polyorganosiloxane/polyvinyl-based graft polymers which have improved color-imparting and impact resistance-imparting properties and thermoplastic compositions containing the same.
    Type: Grant
    Filed: October 11, 1991
    Date of Patent: November 24, 1998
    Assignee: General Electric Company
    Inventors: James Louis DeRudder, I-Chung Wayne Wang