Patents by Inventor Etienne Cheylan

Etienne Cheylan 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).

  • Catalytic product for the oxidative destruction of gaseous organic compounds and method for their preparation
    Patent number: 3939103
    Abstract: A catalyst for the oxidative destruction of gaseous organic compounds comprises 50-80% of a mixture of active carbonates and oxides, i.e., 50-85% of manganese oxides, 0-30% of manganous carbonate, 3-10% of cupric oxide, and 0-15% of nickel oxides; and 50-20% of a cold-shapable refractory excipient. Organic compounds oxidized by the catalysts of this invention including xylenoles, pyridine, methylpyrrolidone, sulfur heterocyclics, etc.
    Type: Grant
    Filed: July 19, 1973
    Date of Patent: February 17, 1976
    Assignee: Compagnie Francaise Thomson Houston-Hotchkiss Brandt
    Inventors: Christian Belliot, Etienne Cheylan, Serge Madelaine, Johannes Ebbing