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:
Feb. 01, 2011
Filed:
May. 04, 2005
Applicants:
John A. Zakarian, Hercules, CA (US);
Michael J. Haire, Petaluma, CA (US);
Inventors:
John A. Zakarian, Hercules, CA (US);
Michael J. Haire, Petaluma, CA (US);
Assignee:
Chevron U.S.A., Inc., San Ramon, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M 141/10 (2006.01); C10M 173/02 (2006.01); C10M 135/04 (2006.01); C10M 137/04 (2006.01); C10M 135/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lubricating oil composition having superior storage stability and load-carrying effect is disclosed. The composition comprises four components: (1) an alkali metal borate; (2) an oil-soluble sulfur compound; (3) a trialkyl hydrogen phosphite; and (4) a mixture of greater than 50% neutralized acidic phosphates that are essentially free of monothiophosphates.