Patents by Inventor Michel Soustelle

Michel Soustelle 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).

  • Thermally stable ceric oxide-based compositions and process for their preparation
    Patent number: 5280002
    Abstract: Thermally stable ceric oxide-based compositions, well suited as catalysts/catalyst supports for a wide variety of reactions, notably for the catalytic conversion of exhaust gases emanating from internal combustion engines, comprise particulates of immixture of a major amount of ceric oxide with at least one other metal oxide of magnesium, gallium, boron, scandium, or mixture thereof, and having a specific surface greater than 10 m.sup.2 /g after calcination at 800.degree. C.
    Type: Grant
    Filed: May 29, 1992
    Date of Patent: January 18, 1994
    Assignee: Rhone-Poulenc Chimie
    Inventors: Lionel Bonneau, Michele Pijolat, Marie Prin, Michel Soustelle, Olivier Touret