Patents by Inventor Bernard Raynal

Bernard Raynal 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).

  • Pollution control catalyst for internal combustion engine exhaust system/catalytic converter
    Patent number: 4378307
    Abstract: A pollution control catalyst for a catalytic converter comprising the exhaust system of an internal combustion engine, said catalyst including a refractory oxide support, and an activated phase therefor comprised of 0.3 to 7% by weight cerium based upon the weight of said support, 0.1 to 3.5% by weight iron, also based upon the weight of said support, at least one platinum or palladium metal, and at least one iridium or rhodium metal.
    Type: Grant
    Filed: September 16, 1980
    Date of Patent: March 29, 1983
    Assignee: Procatalyse
    Inventors: Jean-Pierre Brunelle, Philippe Courty, Michel Prigent, Bernard Raynal
  • Decomposing nitrogen oxides with nickel-iron-chromium catalysts
    Patent number: 4029738
    Abstract: Catalyst for the decomposition of nitrogen oxides, particularly for use in catalytic exhaust boxes in view of decomposing the nitrogen oxides contained in the exhaust gases from internal combustion engines, comprising, deposited on a carrier, from 3 to 20% of an active phase of the formula Ni.sub.x (Fe.sub.y Cr.sub.z)O.sub.t, in which x has a value from 0.5 to 1.5, y + z a value from 1.5 to 3, the ratio ##EQU1## A VALUE FROM 0.01 TO 0.9 AND T A VALUE LOWER THAN 10.
    Type: Grant
    Filed: November 18, 1974
    Date of Patent: June 14, 1977
    Assignee: Societe Francaise des Produits pour Catalyse
    Inventors: Philippe Courty, Andre Sugier, Bernard Raynal, Georges Berrebi