Patents by Inventor Bernard Jacques Graveron

Bernard Jacques Graveron 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).

  • Patent number: 4118258
    Abstract: Polyisoprenes having a minimum of 60% of 1,2- and 3,4-vinyl structures are useful as vibration-damping materials.The polyisoprenes are used individually or as a mixture with inorganic or organic fillers, or in the form of block copolymers.
    Type: Grant
    Filed: April 11, 1977
    Date of Patent: October 3, 1978
    Assignee: Jean Gole
    Inventors: Bernard Jacques Graveron, Alain Jacques Essel
  • Patent number: 4075288
    Abstract: Polyisoprenes having a minimum of 60% of 1,2- and 3,4-vinyl structure are useful as vibration-damping materials.The polyisoprenes are used individually or as a mixture with inorganic or organic fillers, or in the form of block copolymers.
    Type: Grant
    Filed: December 10, 1974
    Date of Patent: February 21, 1978
    Assignee: Monsieur Jean Gole
    Inventors: Bernard Jacques Graveron, Alain Jacques Essel