Patents by Inventor Yves Grenie

Yves Grenie 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).

  • Carbonaceous material protected against oxidation by boron carbonitride
    Patent number: 5356727
    Abstract: Carbonaceous material according to the invention is protected against oxidation by boron carbonitride, which is infiltrated (4) or deposited in layer form (8) and which contains in atomic %;1 to 98% carbon,1 to 98% boron and1 to 98% nitrogen.
    Type: Grant
    Filed: April 17, 1992
    Date of Patent: October 18, 1994
    Assignee: Aerospatiale Societe Nationale Industrielle
    Inventors: Yves Grenie, Andre Marchand, Frederic Saugnac