Patents by Inventor Jacek Orlewski

Jacek Orlewski 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).

  • Hydrorefining catalyst containing sulphides of ruthenium and of at least one other metal on a refractory
    Patent number: 5248648
    Abstract: This invention relates to a hydrorefining catalyst containing ruthenium sulphide and cobalt and/or nickel sulphide on a refractory oxides support. These catalysts are only very slightly inhibited by polyaromatic compounds or hydrogen sulphide.
    Type: Grant
    Filed: June 25, 1992
    Date of Patent: September 28, 1993
    Assignee: Elf France
    Inventors: Michele Breysse, Jacek Orlewski, Thierry des Courieres, Michel Vrinat