Patents by Inventor Rene Bensa

Rene Bensa 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).

  • Process of mixing fillers with polytetrafluorethylene and tetrafluorethylene copolymers
    Patent number: 3992350
    Abstract: This invention relates to filled or charged tetrafluorethylene polymers and copolymers useful as molding or extrusion materials and to their use for the production of various products by lubrication extrusion. The filler and polymer or copolymer are mixed by grinding them together at a temperature of about -80.degree. to about +15.degree.C.
    Type: Grant
    Filed: November 14, 1974
    Date of Patent: November 16, 1976
    Assignee: Produits Chimiques Ugine Kuhlmann
    Inventors: Rene Bensa, Andre Monnet, Gabriel Vincent