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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 12384980 B1

PDFFull Text
Date of Patent:
Aug. 12, 2025

Filed:

Apr. 30, 2024

Internal combustion engine lubricant

Applicant:

Exxonmobil Technology and Engineering Company, Spring, TX (US);

Inventors:

Zhisheng Gao, Flemington, NJ (US);

Winfried Koch, Hamburg, DE;

Nicholas W. Mcbride, Morristown, NJ (US);

Dana J. Gary, Pittstown, NJ (US);

Assignee:

ExxonMobil Technology and Engineering Company, Spring, TX (US);

Attorney:

Vorys, Sater, Seymour and Pease LLP

Primary Examiner:

Ellen M Mcavoy

Int. Cl.
CPC ...
C10M 111/04 (2006.01); C10L 1/04 (2006.01); C10M 105/38 (2006.01); C10M 107/08 (2006.01); C10M 129/10 (2006.01); C10M 133/12 (2006.01); C10M 141/06 (2006.01); C10M 169/04 (2006.01); C10N 20/02 (2006.01); C10N 30/00 (2006.01); C10N 30/02 (2006.01); C10N 30/10 (2006.01); C10N 40/25 (2006.01);
U.S. Cl.
CPC ...
C10M 111/04 (2013.01); C10L 1/04 (2013.01); C10M 105/38 (2013.01); C10M 107/08 (2013.01); C10M 129/10 (2013.01); C10M 133/12 (2013.01); C10M 141/06 (2013.01); C10M 169/04 (2013.01); C10L 2270/02 (2013.01); C10M 2205/0265 (2013.01); C10M 2207/023 (2013.01); C10M 2207/2835 (2013.01); C10M 2215/26 (2013.01); C10N 2020/02 (2013.01); C10N 2030/02 (2013.01); C10N 2030/10 (2013.01); C10N 2030/43 (2020.05); C10N 2030/45 (2020.05); C10N 2040/25 (2013.01);
Abstract

A lubricant composition may be of use in lubrication of an internal combustion engine. A method of utilizing such a lubricant composition may include: lubricating an internal combustion engine using a lubricant composition comprising: from about 30.0 mass % to about 99.8 mass % of an oil base stock, based on a total mass of the lubricant composition, the oil base stock comprising at least one polyol ester; and from 1.0 mass % to 30.0 mass % polyisobutylene, based on a total mass of the lubricant composition; and combusting a fuel in the internal combustion engine.

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