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:
Dec. 28, 2021
Filed:
May. 26, 2020
Applicant:
Infineum International Limited, Abingdon, GB;
Inventors:
Anthony J. Strong, Oxford, GB;
Beatrice N. Cattoz, Bristol, GB;
Andrew D. Schwarz, Abingdon, GB;
Remzi Becer, Rugby, GB;
Ben Drain, Warwick, GB;
Assignee:
Infineum International Limited, Abingdon, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 149/10 (2006.01); C10M 101/00 (2006.01); C10M 107/00 (2006.01); C10M 169/04 (2006.01); C10N 30/00 (2006.01); C10N 40/25 (2006.01); C10N 20/02 (2006.01); C10N 30/04 (2006.01); C10N 30/06 (2006.01);
U.S. Cl.
CPC ...
C10M 149/10 (2013.01); C10M 101/00 (2013.01); C10M 107/00 (2013.01); C10M 169/041 (2013.01); C10M 2215/225 (2013.01); C10N 2020/02 (2013.01); C10N 2030/04 (2013.01); C10N 2030/06 (2013.01); C10N 2030/54 (2020.05); C10N 2040/252 (2020.05); C10N 2040/255 (2020.05);
Abstract
A lubricating oil composition comprising at least 50 percent by mass, based on the mass of the composition of an oil of lubricating viscosity and 0.01 to 25 percent by mass, based on the mass of the composition of a polymer comprising units (a) and one or both units (b) and (c):—N(COR)(CH)—  (a)—NH(CH)—  (b)—N(CHCH(CH)COOR)(CH)  (c)