Patents by Inventor Scott J. Fritschel

Scott J. Fritschel 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).

  • 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
  • Polymer of TFE and f-alkyl ethylene
    Patent number: 4487902
    Abstract: Copolymers of tetrafluoroethylene and fluorinated alkyl ethylenes are obtained by this invention in which units of the copolymer derived from the ethylene comonomer are substantially uniformly positioned along the copolymer chain.
    Type: Grant
    Filed: June 23, 1983
    Date of Patent: December 11, 1984
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Scott J. Fritschel