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:
May. 15, 2012
Filed:
Feb. 23, 2006
Applicants:
Brian Lawrence, Sutton Courtenay, GB;
Christopher Locke, Wantage, GB;
Inventors:
Brian Lawrence, Sutton Courtenay, GB;
Christopher Locke, Wantage, GB;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M 137/10 (2006.01); C10M 131/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An internal combustion engine crankcase lubricating oil composition is disclosed. The crankcase lubricating oil composition has a TBN no greater than 6 and contains the following additives: (B1) a metal detergent system having a metal ratio no greater than 3, as the sole detergent system; (B2) an organic ashless friction modifier; (B3) an oil-soluble molybdenum friction modifier; and (B4) a metal dihydrocarbyl dithiophosphate.