Patents by Inventor William D. Saunders

William D. Saunders 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).

  • Injection molding of thermoplastic polymethylmethacrylate pellets
    Publication number: 20090096125
    Abstract: Injection molding of thermoplastic polymethylmethacrylate pellets and decorative crosslinked polymethylmethacrylate particles employs an injection nozzle which has a size smaller than at least a portion of the polymethacrylate particles.
    Type: Application
    Filed: October 12, 2007
    Publication date: April 16, 2009
    Inventors: William Patrick Paplham, William D. Saunders, Marc Koester
  • Curing of thermoplastic tetrafluoroethylene/perfluoroalkyl ethylene copolymers
    Patent number: 4624988
    Abstract: Crosslinking of copolymers of tetrafluoroethylene and perfluoroalkylethylene by heating in the presence of K.sub.2 AF is described.
    Type: Grant
    Filed: October 21, 1985
    Date of Patent: November 25, 1986
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Scott J. Fritschel, William D. Saunders