Patents by Inventor Pierre Burel

Pierre Burel 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-polymer compositions, their method of preparation and their uses
    Patent number: 5428085
    Abstract: This bitumen-polymer composition contains:a) at least one bitumen,b) at least one polymer having hydrocarbon chains with mobile hydrogens, said polymer being grafted and crosslinked in situ in said bitumen through a complex of at least one organic silicon compound, said complex being formed from a primary constituent and a secondary constituent, the latter being the organic silicon compound.
    Type: Grant
    Filed: December 14, 1993
    Date of Patent: June 27, 1995
    Assignee: Total Raffinage Distribution SA
    Inventors: Pierre Burel, Yannick Jolivet, Guy Lemoine