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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.:

US 11359159 B1

PDFFull Text
Date of Patent:
Jun. 14, 2022

Filed:

Jun. 25, 2018

Lubricating composition containing a self-assembling polymethacrylate block copolymer and an ethylene-α-olefin copolymer

Applicant:

The Lubrizol Corporation, Wickliffe, OH (US);

Inventors:

Reid A. Patterson, Euclid, OH (US);

Timothy R. Smith, Belper, GB;

Paul S. O'Hora, Loughborough, GB;

Edward P. Sampler, Loughborough, GB;

Eugene Pashkovski, Moreland Hills, OH (US);

Kieran Trickett, Belper, GB;

Assignee:

The Lubrizol Corporation, Wickliffe, OH (US);

Attorneys:

Eryn Ace Fuhrer

Teresan W. Gilbert

Primary Examiner:

Vishal V Vasisth

Int. Cl.
CPC ...
C10M 157/04 (2006.01); C10M 145/14 (2006.01); C10M 149/02 (2006.01); C10M 169/04 (2006.01); C10N 20/00 (2006.01); C10N 30/04 (2006.01); C10N 30/06 (2006.01); C10N 30/10 (2006.01); C10N 30/18 (2006.01); C10N 40/04 (2006.01); C10N 40/08 (2006.01); C10N 40/10 (2006.01); C10N 40/25 (2006.01);
U.S. Cl.
CPC ...
C10M 157/04 (2013.01); C10M 145/14 (2013.01); C10M 149/02 (2013.01); C10M 169/041 (2013.01); C10M 2203/003 (2013.01); C10M 2209/084 (2013.01); C10M 2217/06 (2013.01); C10N 2020/073 (2020.05); C10N 2030/04 (2013.01); C10N 2030/06 (2013.01); C10N 2030/10 (2013.01); C10N 2030/18 (2013.01); C10N 2040/04 (2013.01); C10N 2040/08 (2013.01); C10N 2040/10 (2013.01); C10N 2040/25 (2013.01);
Abstract

The invention provides a lubricating composition comprising an oil of lubricating viscosity and synergistic mixture of a functionalized ethylene-α-olefin copolymer, a poly(meth)acrylate block polymer having a substantially oil soluble block and a substantially oil insoluble block. The invention also provides a method of lubricating a mechanical device using such a lubricating composition.

Find Patent Forward Citations

Patterson, Reid. (2022). Lubricating composition containing a self-assembling polymethacrylate block copolymer and an ethylene-α-olefin copolymer (U.S. Patent No. 11359159). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11359159

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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