Patents by Inventor Gilbert Gauneus

Gilbert Gauneus 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).

  • Articular prosthesis and its preparation process
    Patent number: 4888019
    Abstract: A polymer articular prosthesis having a sliding surface, wherein the latter is constituted by a thin layer of said polymer grafted with tetrafluoro-ethylene.The process for preparing the articular prosthesis comprises coating with a protective varnish the outer surface of a polymer articular prosthesis having a sliding surface, except in the areas constituting this sliding surface irradiating the prosthesis with ionizing rays, contacting the prosthesis with the tetrafluoroethylene vapour for adequate time to bring about tetrafluoroethylene grafting over a limited thickness of the polymer forming the sliding surface and then removing the protective varnish.
    Type: Grant
    Filed: September 9, 1982
    Date of Patent: December 19, 1989
    Assignee: Compagnie Oris Industrie S.A.
    Inventors: Gilbert Gauneus, Maryvonne Nicaise, Kifu O. Tran