Patents by Inventor Narhalie Marchal

Narhalie Marchal 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).

  • Method for improving a gas oil fraction cetane index
    Patent number: 6814856
    Abstract: A process for transforming a gas oil cut from a conversion process or from an aromatic crude is described, the aim of the process being to improve the cetane number of said cut. The process comprises at least one hydrogenation step in which said gas oil cut is passed, in the presence of hydrogen, over a catalyst comprising an amorphous mineral support, at least one compound of a group VIB metal, at least one compound of a non noble group VIII metal and at least phosphorous or a compound of phosphorous, the process then comprising a hydrocracking step in which the hydrogenated feed is passed, in the presence of hydrogen, over a catalyst comprising an acidic support, at least one compound of a group VIB metal and at least one compound of a non noble group VIII metal.
    Type: Grant
    Filed: May 4, 2000
    Date of Patent: November 9, 2004
    Assignee: Institut Francais du Petrole
    Inventors: Marcel Aussillous, Alain Billion, Patrick Briot, Christophe Gueret, Slavik Kasztelan, Narhalie Marchal, Pierre Marion