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. 04, 2014
Filed:
Jan. 28, 2011
Applicants:
Kevin L. Crouthamel, Richboro, PA (US);
Vincent M. Carey, Sewell, NJ (US);
Inventors:
Kevin L. Crouthamel, Richboro, PA (US);
Vincent M. Carey, Sewell, NJ (US);
Assignee:
ExxonMobil Research and Engineering Company, Annandale, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C10M 111/00 (2006.01); C10M 111/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention is directed to a method for improving the fuel efficiency of engine oil compositions by reducing the traction coefficient of the oil by formulating the oil using a blend of one or more first base stock(s) selected from Group II base stock, Group III base stock and Group IV base stock and a second base stock selected from polyisobutylene (PIB) and, preferably, additized with a detergent.