Patents by Inventor Olivier Bertomeu

Olivier Bertomeu 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).

  • Hydrocarbon base oil for lubricants with very high viscosity index
    Patent number: 6599864
    Abstract: The invention concerns a novel hydrocarbon base oil for lubricants, having a viscosity index not less than 130, comprising mainly long isoparaffinic hydrocarbon chains, branched over several carbon atoms. The invention is characterized in that said chains comprise a number of carbon atoms greater than 25 and have a ratio of the number of substituents consisting of at least two carbon atoms over the number of methyl-type substituents, not less than 0.9.
    Type: Grant
    Filed: June 19, 2002
    Date of Patent: July 29, 2003
    Assignee: Total Raffinage Distribution S.A.
    Inventor: Olivier Bertomeu