Patents by Inventor Marc Gremillon

Marc Gremillon 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).

  • Process for manufacturing a group VIII noble metal catalyst of improved resistance to sulfur, and its use for hydrogenating aromatic hydrocarbons
    Patent number: 4225461
    Abstract: Noble metal catalyst of improved resistance to sulfur compounds, obtained by subjecting a catalyst containing a noble metal from group VIII or a compound thereof, a halogen and a carrier, to a first treatment with an inert gas such as nitrogen at 100.degree.-600.degree. C. and to a second treatment with a hydrocarbon material containing at least one sulfur compound, such as an alkyl sulfide, an alkyldisulfide or a thiophenic compound, in an inert gas atmosphere at 50.degree.-400.degree. C.
    Type: Grant
    Filed: January 2, 1979
    Date of Patent: September 30, 1980
    Assignee: Institut Francais du Petrole
    Inventors: Jean Cosyns, Marc Gremillon