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:
Jul. 14, 2015
Filed:
Jul. 30, 2013
Applicant:
Infineum International Limited, Abingdon, GB;
Inventors:
Joseph P. Hartley, Oxford, GB;
Jonathan P. Flemming, Oxford, GB;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02B 43/00 (2006.01); C10M 141/10 (2006.01); F02D 19/08 (2006.01); F02B 3/06 (2006.01); F02M 25/00 (2006.01); F02B 43/10 (2006.01); F02B 1/04 (2006.01);
U.S. Cl.
CPC ...
C10M 141/10 (2013.01); C10M 2219/068 (2013.01); C10M 2223/045 (2013.01); C10N 2210/02 (2013.01); C10N 2230/06 (2013.01); C10N 2230/36 (2013.01); C10N 2240/10 (2013.01); C10N 2240/102 (2013.01); F02B 1/04 (2013.01); F02B 3/06 (2013.01); F02B 43/10 (2013.01); F02D 19/08 (2013.01); F02M 25/00 (2013.01);
Abstract
An automotive lubricating oil composition for an internal combustion engine comprises (A) an oil of lubricating viscosity in a major amount; and (B) oil-soluble additive components in respective minor amounts comprising (B1) a zinc dihydrocarbyl dithiophosphate additive; and (B2) an alkylenebis(dihydrocarbyldithiocarbamate) where at least one of the hydrocarbyl groups in an aryl group, the composition having not greater than 1600 ppm by mass of phosphorus, expressed as phosphorus atom.