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:
Mar. 13, 2018
Filed:
Sep. 11, 2014
Applicant:
Subhasis Bhattacharya, Walnut Creek, CA (US);
Inventor:
Subhasis Bhattacharya, Walnut Creek, CA (US);
Assignee:
Chevron U.S.A. Inc., San Ramon, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10G 65/10 (2006.01); C10G 7/00 (2006.01); C10G 69/06 (2006.01); C10M 177/00 (2006.01); C10M 101/02 (2006.01);
U.S. Cl.
CPC ...
C10G 65/10 (2013.01); C10G 7/003 (2013.01); C10G 69/06 (2013.01); C10M 101/02 (2013.01); C10M 177/00 (2013.01); C10M 2203/1006 (2013.01); C10N 2270/00 (2013.01);
Abstract
The present invention is directed to a refining process for producing heavy lubricating base oils (LBO) from a blended hydrocarbonaceous feedstock containing a heavy coker gas oil, a visbroken gas oil, heavy cycle oil, oils from residue hydrocracking, aromatic extract or any other feedstock normally not conducive to lube oil basestock production, using a two-stage hydrocracking process.