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:
Aug. 12, 2014
Filed:
Dec. 20, 2011
Joseph V. Nguyen, Albany, CA (US);
Julie Chabot, Novato, CA (US);
Ling Jiao, Albany, CA (US);
Christopher Paul Dunckley, Menlo Park, CA (US);
Shuwu Yang, Richmond, CA (US);
Joseph V. Nguyen, Albany, CA (US);
Julie Chabot, Novato, CA (US);
Ling Jiao, Albany, CA (US);
Christopher Paul Dunckley, Menlo Park, CA (US);
Shuwu Yang, Richmond, CA (US);
Chevron U.S.A. Inc., San Ramon, CA (US);
Abstract
An improved process to make a slurry catalyst for the upgrade of heavy oil feedstock is provided. The sulfiding of the metal precursor/catalyst precursor is carried out at least twice ('enhanced sulfiding') in the improved process to form a slurry catalyst with improved surface area and porosity value. The slurry catalyst under an enhanced sulfiding scheme is characterized as having increased catalytic activities over a slurry catalyst without an enhanced sulfidation step.