Patents by Inventor Jacques J. J. Dufour

Jacques J. J. Dufour 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).

  • Separation of hetero-atom(s) containing hydrocarbons
    Patent number: 5105028
    Abstract: Process for preparing one or more hetero-atoms containing hydrocarbons by contacting one or more hydrocarbons with a plasma-generated system derived from a source containing hydrogen atoms(s) and at least one hetero-atom in which process the plasma-generated system in contacted with the hydrocarbon(s) in liquid for and/or in gaseous form under conditions which allow absorption of heat released during the process of preparing said hetero-atom(s) containing hydrocarbons.
    Type: Grant
    Filed: November 29, 1990
    Date of Patent: April 14, 1992
    Assignee: Shell Oil Company
    Inventors: Jacques J. J. Dufour, Laurent Pelsez, Bruno Peltier
  • Dehydrogenation catalyst
    Patent number: 4857498
    Abstract: 1 to 25% by weight of an alkali metal compound, calculated as stable alkali metal oxide,0.5 to 20% by weight of a rare earth metal compound, calculated as the oxide,0.5 to 10% by weight of a calcium compound, calculated as CaO,0.5 to 10% by weight of a germanium-, tin- and/or lead compound, calculated as the dioxide, and35 to 97.5% by weight of an iron compound, calculated as Fe.sub.2 O.sub.3.
    Type: Grant
    Filed: June 21, 1988
    Date of Patent: August 15, 1989
    Assignee: Shell Oil Company
    Inventors: Pierre E. Dejaifve, Jean-Paul Darnanville, Jacques J. J. Dufour, Roland A. C. Garin