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:
Sep. 02, 2008
Filed:
Sep. 28, 2004
Applicants:
Beth A. Yoon, Pennington, NJ (US);
Liehpao Oscar Farng, Lawrenceville, NJ (US);
George Skic, Lambertville, NJ (US);
Inventors:
Beth A. Yoon, Pennington, NJ (US);
Liehpao Oscar Farng, Lawrenceville, NJ (US);
George Skic, Lambertville, NJ (US);
Assignee:
ExxonMobil Research and Engineering Company, Annandale, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M 163/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An engine lubricant that is substantially free of zinc and phosphorous contains an antiwear additive comprising borated 1,2 epoxy mixed polybutenes having an average carbon number in the range of Cto about C.