Patents by Inventor Roger Paul Pierre Risse

Roger Paul Pierre Risse 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 combustion mass
    Patent number: 4048113
    Abstract: Contact mass for heterogeneous catalysis, characterized in that it comprises a support of alumina fibers having a large specific surface and good thermal stability, on which is deposited a catalyst comprising at least one element chosen from metals of crude platinum belonging to group VIII of the periodic table of elements, a gas supply device being provided which allows appropriate distribution of the combustible gas.
    Type: Grant
    Filed: October 21, 1975
    Date of Patent: September 13, 1977
    Assignee: Societe Lyonnaise des Applications Catalytiques S.A.
    Inventor: Roger Paul Pierre Risse
  • Catalyst system for catalytic heaters
    Patent number: 4029602
    Abstract: A catalyst system for a catalytic heater comprises a support of a refractory material upon which is deposited by cocrystallization at least one oxide from a Group VI (B) element and at least one oxide from a Group VII (B) or a Group VIII (4th Period) element in addition to a promoter from the platinum-metal group.
    Type: Grant
    Filed: January 14, 1976
    Date of Patent: June 14, 1977
    Assignee: Societe Lyonnaise des Applications Catalytiques
    Inventor: Roger Paul Pierre Risse