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:
Oct. 12, 2021
Filed:
Oct. 07, 2016
Applicant:
Infineum International Limited, Abingdon, GB;
Inventors:
Alastair A. Cant, Didcot, GB;
Adam P. Marsh, Witney, GB;
Robert W. Shaw, Abingdon, GB;
Thomas D. Wilkinson, Abingdon, GB;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 129/54 (2006.01); C10M 159/22 (2006.01); C10M 159/24 (2006.01); C10M 159/20 (2006.01); C10M 135/10 (2006.01); C10N 10/04 (2006.01); C10N 30/04 (2006.01); C10N 30/10 (2006.01); C10N 30/00 (2006.01); C10N 40/25 (2006.01);
U.S. Cl.
CPC ...
C10M 129/54 (2013.01); C10M 135/10 (2013.01); C10M 159/20 (2013.01); C10M 159/22 (2013.01); C10M 159/24 (2013.01); C10M 2207/144 (2013.01); C10M 2207/262 (2013.01); C10M 2219/044 (2013.01); C10M 2219/046 (2013.01); C10N 2010/04 (2013.01); C10N 2030/04 (2013.01); C10N 2030/10 (2013.01); C10N 2030/45 (2020.05); C10N 2040/25 (2013.01); C10N 2040/252 (2020.05); C10N 2040/255 (2020.05);
Abstract
A lubricating oil composition for reducing low-speed pre-ignition events or improving oxidation in a spark-ignited direct injection engine is disclosed. The composition includes a detergent additive which comprises either: an oil-soluble sulfonate including both magnesium and calcium as cations; or an oil-soluble salicylate including both magnesium and calcium as cations.