Patents by Inventor Geoffrey P. Twiss

Geoffrey P. Twiss 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).

  • Cellulose fiber filled aminoplast resin compositions for flame retarding polyurethane foams
    Patent number: 5100936
    Abstract: The flame retardance of polyurethane foams is improved by dispersing in a polyol used to make the urethane foam a finely divided resin composition composed of 60-85 wt % of an aminoplast resin filled with 40 to 15 wt % of an aminoplast resin filled with 40 to 15 wt % of cellulose fiber.
    Type: Grant
    Filed: December 4, 1989
    Date of Patent: March 31, 1992
    Assignee: BIP Chemicals Limited
    Inventors: George Inverarity, Geoffrey P. Twiss