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:
Jun. 21, 2022
Filed:
Jun. 26, 2018
Applicant:
The Lubrizol Corporation, Wickliffe, OH (US);
Inventors:
Paul R. Vincent, Belper, GB;
Timothy R. Smith, Belper, GB;
Eugene Pashkovski, Moreland Hills, OH (US);
Reid A. Patterson, Euclid, OH (US);
Assignee:
The Lubrizol Corporation, Wickliffe, OH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C10M 169/04 (2006.01); C10M 145/14 (2006.01); C10M 135/10 (2006.01); C10M 137/16 (2006.01); C10M 149/08 (2006.01); C10M 157/04 (2006.01); C10M 161/00 (2006.01); C10N 30/00 (2006.01); C10N 20/00 (2006.01); C10N 20/02 (2006.01); C10N 30/02 (2006.01); C10N 30/04 (2006.01); C10N 30/06 (2006.01); C10N 30/10 (2006.01); C10N 40/25 (2006.01);
U.S. Cl.
CPC ...
C10M 169/044 (2013.01); C10M 135/10 (2013.01); C10M 137/16 (2013.01); C10M 145/14 (2013.01); C10M 149/08 (2013.01); C10M 157/04 (2013.01); C10M 161/00 (2013.01); C10M 2209/02 (2013.01); C10M 2209/084 (2013.01); C10M 2217/06 (2013.01); C10M 2219/022 (2013.01); C10M 2219/044 (2013.01); C10M 2223/043 (2013.01); C10M 2290/00 (2013.01); C10N 2020/02 (2013.01); C10N 2020/073 (2020.05); C10N 2030/02 (2013.01); C10N 2030/04 (2013.01); C10N 2030/06 (2013.01); C10N 2030/10 (2013.01); C10N 2030/40 (2020.05); C10N 2040/25 (2013.01);
Abstract
The invention provides a lubricating composition comprising a low viscosity base oil and a synergistic mixture of a functionalized ethylene-α-olefin copolymer, a poly(meth)acrylate polymer, and a metal-free anti-wear agent. The invention also provides a method of lubricating an internal combustion engine using such a lubricating composition.