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:
Aug. 05, 2025
Filed:
Mar. 27, 2024
Applicant:
Afton Chemical Corporation, Richmond, VA (US);
Inventors:
Samuel Bruce Field, Windsor, GB;
Paul Ransom, Huddersfield, GB;
Assignee:
Afton Chemical Corporation, Richmond, VA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M 135/10 (2006.01); C10M 135/18 (2006.01); C10M 169/04 (2006.01); C10N 10/04 (2006.01); C10N 10/12 (2006.01); C10N 20/04 (2006.01); C10N 30/00 (2006.01); C10N 30/02 (2006.01); C10N 30/04 (2006.01); C10N 40/25 (2006.01);
U.S. Cl.
CPC ...
C10M 135/10 (2013.01); C10M 135/18 (2013.01); C10M 169/04 (2013.01); C10M 2219/046 (2013.01); C10M 2219/068 (2013.01); C10N 2010/04 (2013.01); C10N 2010/12 (2013.01); C10N 2020/04 (2013.01); C10N 2030/02 (2013.01); C10N 2030/04 (2013.01); C10N 2030/40 (2020.05); C10N 2030/52 (2020.05); C10N 2030/54 (2020.05); C10N 2040/255 (2020.05);
Abstract
The present disclosure relates to passenger car engine lubricating oil compositions and methods of lubricating a crankcase of a passenger car engine with such lubricating oil compositions effective to achieve fuel economy improvement when using select calcium sulfonate-based compounds combined with one or more oil-soluble molybdenum compounds in ultra-low viscosity engine oils.