Patents by Inventor Bernard Brule

Bernard Brule 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).

  • Bitumen compositions
    Patent number: 5708062
    Abstract: The invention relates to improved bitumen compositions including:(A) 100 parts of bitumen(B) 0.1 to 10 parts of a copolymer of an alpha-olefin, of an unsaturated epoxide and of an ester of unsaturated carboxylic acid(C) 0.1 to 10 parts of a copolymer of an alpha-olefin and of an ester of unsaturated carboxylic acid,(D) 0 to 10 parts of a thermoplastic elastomer(E) 0 to 10 parts of a polymer which is reactive with (B)(F) 0 to 10 parts of an ethylene/vinyl acetate copolymer.These bitumens are stable when stored and resist rutting.
    Type: Grant
    Filed: December 13, 1996
    Date of Patent: January 13, 1998
    Assignees: Elf Atochem S.A., Enterprise Jean Lefebvre
    Inventors: Jerome Maillet, Jacques Komornicki, Yoshiyuki Miyaki, Hiroshi Mohri, Satoshi Tada, Patrice Perret, Sabine Gazeau, Bernard Brule, Kentaro Shiojiri