Patents by Inventor Richard Doziere

Richard Doziere 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).

  • Multi-purpose catalyst for vehicular catalytics converters
    Patent number: 5124304
    Abstract: Multiple purpose catalysts adapted for the treatment of internal combustion engine exhaust gases comprise a particulate refractory oxide support, e.g., alumina particles, having an active catalytic phase deposited thereon, said active catalytic phase including zirconium, cerium and platinum, and optionally iridium, rhodium, palladium and other metal values.
    Type: Grant
    Filed: March 12, 1991
    Date of Patent: June 23, 1992
    Assignee: Pro-Catalyse
    Inventors: Gilbert Blanchard, Jack Caillod, Richard Doziere, Michel Prigent
  • Multifunctional catalysts containing cerium, uranium and at least one other metal, for converting pollutants emitted by internal combustion engines, and their preparation
    Patent number: 5108978
    Abstract: The invention concerns a multifunctional catalyst containing cerium, uranium and at least one metal, for converting pollutants emitted by internal combustion engines, and their preparation.A catalyst comprises a porous layer containingfrom about 20% to about 99% of at least one refractory oxidefrom about 0.8% to about 70% of at least one cerium oxidefrom about 0.1% to about 50% of at least one uranium oxidefrom about 0.1% to about 20% of a metal selected from the group made up of Pt, Rh, Pd, Ru, Ir and Au, and mixtures thereof.Applications are in the catalytic converter industry.
    Type: Grant
    Filed: May 24, 1990
    Date of Patent: April 28, 1992
    Assignee: Institut Francais du Petrole
    Inventors: Daniel Durand, Gil Mabilon, Philippe Courty, Richard Doziere
  • Multi-purpose catalysts for vehicular catalytic converters
    Patent number: 5053378
    Abstract: Multiple purpose catalysts adapted for the treatment of internal combustion engine exhaust gases comprise a particulate refractory oxide support, e.g., alumina particles, having an active catalytic phase deposited thereon, said active catalytic phase including zirconium, cerium and platinum, and optionally iridium, rhodium, palladium and other metal values.
    Type: Grant
    Filed: August 28, 1989
    Date of Patent: October 1, 1991
    Assignee: Pro-Catalyse
    Inventors: Gilbert Blanchard, Jack Caillod, Richard Doziere, Michel Prigent
  • Catalyst for the conversion of vehicular exhaust gases and process for preparing the catalyst
    Patent number: 4931419
    Abstract: Improvedly time-stable catalysts adopted for the treatment of internal combustion engine exhaust gases include a monolithic catalyst support impregnated with a plurality of catalytically active phases, one section of the support being impregnated with a first catalytically active phase and remaining section of the support being impregnated with a second catalytically active phase.
    Type: Grant
    Filed: October 21, 1988
    Date of Patent: June 5, 1990
    Assignee: Pro-Catalyse
    Inventors: Gilbert Blanchard, Francois Garreau, Michel Prigent, Richard Dozieres
  • Process for the preparation of a pollution control catalyst for internal combustion engine exhaust system/catalytic converter
    Patent number: 4581343
    Abstract: A pollution control catalyst for a catalytic converter in the exhaust system of an internal combustion engine, which catalyst comprises a support impregnated with (i) at least one platinum group precious metal, and with (ii) cerium base metal, or a combination of cerium and at least one other base metal, is facilely prepared by (1) impregnating a catalyst support with precursor compounds of said cerium base metal, or of said cerium base metal and of at least one other base metal, (2) activating said impregnated support, under a neutral or oxidizing atmosphere, at a temperature ranging from 120.degree. to 800.degree. C.
    Type: Grant
    Filed: May 15, 1984
    Date of Patent: April 8, 1986
    Assignee: Pro-Catalyse
    Inventors: Gilbert Blanchard, Jean-Pierre Brunelle, Richard Doziere, Emmanuel Goldenberg, Michel Prigent