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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 12275910 B1

PDFFull Text
Date of Patent:
Apr. 14, 2025

Filed:

Aug. 22, 2021

Lubricating oil composition

Applicant:

Idemitsu Kosan Co., Ltd., Chiyoda-ku, JP;

Inventors:

Akio Kojima, Ichihara, JP;

Yukio Yoshida, Ichihara, JP;

Kenichi Ogata, Ichihara, JP;

Shota Kato, Chiba, JP;

Keiichi Narita, Chiba, JP;

Assignee:

IDEMITSU KOSAN CO., LTD., Chiyoda-ku, JP;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Vishal V Vasisth

Int. Cl.
CPC ...
C10M 107/32 (2005.12); C10M 107/24 (2005.12); C10N 30/02 (2005.12); C10N 40/04 (2005.12); C10N 40/16 (2005.12);
U.S. Cl.
CPC ...
C10M 107/32 (2012.12); C10M 107/24 (2012.12); C10M 2209/043 (2012.12); C10M 2209/1055 (2012.12); C10N 2030/02 (2012.12); C10N 2040/04 (2012.12); C10N 2040/16 (2012.12);
Abstract

A lubricating oil composition may have a high flash point, a low pour point, and excellent electrical insulation, while having excellent cooling performance. Such a lubricating oil composition may include a base oil (A), wherein the base oil (A) includes at least one synthetic oil (A1) selected from a polyalkylene glycol having a specific degree of polymerization and a polyvinyl ether having a specific degree of polymerization.

Find Patent Forward Citations

Kojima, Akio. (2025). Lubricating oil composition (U.S. Patent No. 12275910). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12275910

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

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