Patents by Inventor Gérald Dejega-Mariadassou

Gérald Dejega-Mariadassou 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).

  • Catalyst comprising a group VIB metal carbide, phosphorous and its use for hydrodesulphurisation and hydrogenation of gas oils
    Patent number: 6372125
    Abstract: The invention concerns a catalyst containing at least one amorphous oxide matrix, at least one carbide and phosphorous deposited on said catalyst or contained in the matrix, in which the carbide contain at least one group VIB element and, optionally, at least one element from group VIII of the periodic table. The invention also concerns the use of the catalyst for hydrodesulphurisation and hydrogenation of aromatic compounds in gas oils with a low sulphur content.
    Type: Grant
    Filed: August 23, 2000
    Date of Patent: April 16, 2002
    Assignee: Institut Francais du Petrole
    Inventors: Patrick Da Costa, Jean-Marie Manoli, Claude Potvin, Gérald Dejega-Mariadassou, Pedro Da Silva, Slavik Kasztelan, Fabrice Diehl, Michéle Breysse