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:
Jan. 13, 2009
Filed:
Jun. 10, 2002
Applicants:
Satoshi Abe, Saijo, JP;
Katsuhisa Fujita, Niihama, JP;
Inventors:
Satoshi Abe, Saijo, JP;
Katsuhisa Fujita, Niihama, JP;
Assignee:
Albemarle Netherlands B.V., Amersfoort, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10G 45/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention pertains to a method for hydroprocessing a heavy hydrocarbon oil, comprising bringing a heavy hydrocarbon oil into contact with hydroprocessing catalyst I in the presence of hydrogen in a first stage, after which the effluent of the first stage is contacted in whole or in part with hydroprocessing catalyst II in the presence of hydrogen in a second stage. The method according to the invention combines efficient contaminant removal with high cracking rate and low sediment formation. The invention also pertains to the combination of catalysts.