The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 07, 2016
Filed:
Dec. 20, 2011
Applicants:
Frederic Bazer-bachi, Saint Genis-Laval, FR;
Mathieu Digne, Lyons, FR;
Jan Verstraete, Lyons, FR;
Nicolas Marchal, Le Chesnay, FR;
Cecile Plain, Saint Germain en Laye, FR;
Inventors:
Frederic Bazer-Bachi, Saint Genis-Laval, FR;
Mathieu Digne, Lyons, FR;
Jan Verstraete, Lyons, FR;
Nicolas Marchal, Le Chesnay, FR;
Cecile Plain, Saint Germain en Laye, FR;
Assignee:
IFP ENERGIES NOUVELLES, Rueil-Malmaison, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10G 65/04 (2006.01); C10G 45/72 (2006.01); C10G 45/02 (2006.01); C10G 45/04 (2006.01); C10G 65/00 (2006.01);
U.S. Cl.
CPC ...
C10G 45/04 (2013.01); C10G 65/00 (2013.01); C10G 65/04 (2013.01); C10G 2300/202 (2013.01); C10G 2300/205 (2013.01); C10G 2300/206 (2013.01); C10G 2300/208 (2013.01);
Abstract
Process for hydrotreating a heavy hydrocarbon fraction using a system of switchable fixed bed guard zones each containing at least one catalyst bed including at least one step during which the flow of feed supplied to the first guard zone brought into contact with the feed is partly displaced to the next guard zone downstream, preferably progressively.