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.

Date of Patent:
Jun. 23, 2026

Filed:

Jul. 25, 2022
Applicant:

Idemitsu Kosan Co., Ltd., Tokyo, JP;

Inventors:

Kazushige Matsubara, Tokyo, JP;

Hiroyuki Tatsumi, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 105/34 (2006.01); C07C 53/126 (2006.01); C10N 20/00 (2006.01); C10N 20/02 (2006.01);
U.S. Cl.
CPC ...
C10M 105/34 (2013.01); C07C 53/126 (2013.01); C10M 2207/2815 (2013.01); C10N 2020/02 (2013.01); C10N 2020/071 (2020.05);
Abstract

A lubricant base oil having a natural origin content (ISO 16128) of 100%, may contain a monoester compound having one or more branched structures and 18 or more carbon atoms. The monoester compound may a compound of formula (1): wherein Rand Rare each independently a hydrocarbon group, at least one of Rand Ris a branched hydrocarbon group, and a total number of carbon atoms of Rand Ris 17 or more. In the compound of formula (1), Rmay be an alkyl group or alkenyl group having 8 or more carbon atoms, Rmay be an alkyl group or alkenyl group having 5 or more carbon atoms, and at least one of Rand Rmay be a branched alkyl group or a branched alkenyl group


Find Patent Forward Citations

Matsubara, Kazushige. (2026). Lubricant base oil (U.S. Patent No. 12662642). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12662642

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

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