Patents by Inventor Patrice Nortier

Patrice Nortier 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).

  • Multilobar catalysts for the conversion of sulfur containing gaseous effluents
    Patent number: 5106607
    Abstract: Multilobar shaped catalyst particulates, e.g., tri- or quadrilobar particulates, well adapted for the catalytic conversion of gases containing compounds of sulfur, e.g. SO.sub.2, H.sub.2 S, COS and/or CS.sub.2, by the Claus reaction and/or by hydrolysis, are comprised of a catalytically effective amount of values catalytically active in the Claus reaction and/or reactions entailing hydrolysis of organosulfur compounds.
    Type: Grant
    Filed: March 19, 1990
    Date of Patent: April 21, 1992
    Assignee: Rhone-Poulenc Chimie
    Inventors: Thierry Chopin, Eric Quemere, Patrice Nortier
  • Mechanically improved shaped articles
    Patent number: 4983563
    Abstract: Shaped articles having improved mechanical properties, e.g., stronger catalysts and catalyst supports, are produced by shaping a mass of particulate material, e.g., ceramic powder, into the form of the desired final article, the particulate material including a microbially produced poly-saccharide compound, and then consolidating the shaped article by heat treating same, e.g., to sintering or calcination temperatures.
    Type: Grant
    Filed: June 20, 1988
    Date of Patent: January 8, 1991
    Assignee: Rhone-Poulenc Chimie
    Inventors: Thierry Chopin, Eric Quemere, Patrice Nortier, Jean-Luc Schuppiser, Christian Segaud
  • Catalyst supports and process for their preparation
    Patent number: 4891350
    Abstract: Monolithic catalyst substrates are more adherently coated with at least one oxide layer, by including in the coating composition a gum or biogum, preferably xanthan gum.
    Type: Grant
    Filed: October 27, 1987
    Date of Patent: January 2, 1990
    Assignee: Rhone-Poulenc Chimie
    Inventors: Thierry Chopin, Francois Garreau, Magali Knipper, Patrice Nortier, Jean-Luc Schuppiser
  • CeO catalytic desulfurization of industrial gases
    Patent number: 4857296
    Abstract: The desulfurization of industrial gases by the catalytic conversion of contaminating sulfur values therein, comprising, e.g., either Claus process or hydrolysis of organosulfur compounds, is carried out in the presence of an effective amount of a cerium oxide-based catalyst.
    Type: Grant
    Filed: December 23, 1987
    Date of Patent: August 15, 1989
    Assignee: Rhone-Poulenc Chimie
    Inventors: Jean-Pierre Brunelle, Patrice Nortier, Eric Quemere
  • Alumina-based catalyst carriers having improved durability/mechanical strength/aging resistance
    Patent number: 4766101
    Abstract: Durable, aging-resistant alumina-based catalyst carriers having improved mechanical strength are facilely prepared by (i) impregnating an alumina-based catalyst carrier with an aqueous solution of a quaternary ammonium silicate, (ii) drying said impregnated carrier, and (iii) calcining said dried carrier.
    Type: Grant
    Filed: December 4, 1985
    Date of Patent: August 23, 1988
    Assignee: Rhone-Poulenc Specialites Chimiques
    Inventors: Patrice Nortier, Thierry Dupin, Bertrand Latourrette