Patents by Inventor Dana Peter Carlson

Dana Peter Carlson 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).

  • Tetrafluoroethylene terpolymers
    Patent number: 4029868
    Abstract: Terpolymers of tetrafluoroethylene, hexafluoropropylene and either perfluoro(propyl vinyl ether) or perfluoro(ethyl vinyl ether) are described which are prepared by polymerizing the monomers in the presence of a chlorofluoroalkane or chlorofluorohydroalkane solvent and a chain transfer agent and an initiator in either an aqueous or nonaqueous medium. The terpolymers are useful as films, fibers or tubes.
    Type: Grant
    Filed: March 10, 1976
    Date of Patent: June 14, 1977
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Dana Peter Carlson