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:
Jul. 19, 2011
Filed:
Nov. 30, 2005
Applicants:
Alexander B. Boffa, San Francisco, CA (US);
Ralph Eric Olsen, San Rafael, CA (US);
Willem Van Dam, Novato, CA (US);
Inventors:
Alexander B. Boffa, San Francisco, CA (US);
Ralph Eric Olsen, San Rafael, CA (US);
Willem Van Dam, Novato, CA (US);
Assignee:
Chevron Oronite Company LLC, San Ramon, CA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M 111/04 (2006.01); C10M 163/00 (2006.01); C10L 1/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lubricating oil composition comprising a major amount of an oil of lubricating viscosity, an alkaline earth metal borated sulfonate detergent, and, optionally, a molybdenum-containing compound, wherein the lubricating oil composition comprises no more than 0.12 wt % phosphorus and the amount of sulfated ash in the lubricating oil is not more than 1.25 wt %.