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:
Apr. 22, 2014
Filed:
Dec. 21, 2007
Alexander B. Boffa, Oakland, CA (US);
Satoshi Hirano, Nagoya, JP;
Mark Louis Sztenderowicz, San Francisco, CA (US);
Kenji Takeoka, San Refael, CA (US);
Alexander B. Boffa, Oakland, CA (US);
Satoshi Hirano, Nagoya, JP;
Mark Louis Sztenderowicz, San Francisco, CA (US);
Kenji Takeoka, San Refael, CA (US);
Chevron Japan Ltd, Tokyo, JP;
Chevron Oronite Company LLC, San Ramon, CA (US);
Abstract
Provided herein are lubricating oil compositions for high performance engines comprising a Group III base oil and a combination of ester base stocks, wherein the combination comprises (i) an ester base stock having a kinematic viscosity at 100° C. of about 2-10 cSt, (ii) an ester base stock having a kinematic viscosity at 100° C. of about 10 to 50 cSt, and (iii) an ester base stock having a kinematic viscosity at 100° C. of greater than about 100 cSt. The lubricating oil composition can further comprise at least one additive. Methods of making and using the lubricating oil compositions are also described.