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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 12649889 B1

PDFFull Text
Date of Patent:
Jun. 09, 2026

Filed:

Sep. 11, 2023

Lubricating oil additive composition and lubricating oil composition

Applicant:

Eneos Corporation, Tokyo, JP;

Inventors:

Toshitaka Nakamura, Tokyo, JP;

Fuyuki Aida, Tokyo, JP;

Yoshitaka Manabe, Tokyo, JP;

Mari Iino, Tokyo, JP;

Shinji Hasegawa, Tokyo, JP;

Assignee:

ENEOS CORPORATION, Tokyo, JP;

Attorney:

Greenblum & Bernstein, P.L.C.

Primary Examiner:

Taiwo Oladapo

Int. Cl.
CPC ...
C10M 159/12 (2006.01); C10M 133/16 (2006.01); C10M 135/10 (2006.01); C10M 139/00 (2006.01); C10M 177/00 (2006.01); C10N 20/02 (2006.01); C10N 40/04 (2006.01); C10N 70/00 (2006.01);
U.S. Cl.
CPC ...
C10M 133/16 (2013.01); C10M 135/10 (2013.01); C10M 139/00 (2013.01); C10M 159/12 (2013.01); C10M 177/00 (2013.01); C10M 2215/082 (2013.01); C10M 2219/044 (2013.01); C10M 2227/061 (2013.01); C10N 2020/02 (2013.01); C10N 2040/04 (2013.01); C10N 2070/00 (2013.01);
Abstract

A lubricating oil additive composition including: (i) a Broensted acid salt of at least one first amide compound, the Broensted acid salt being a salt of the first amide compound and a Broensted acid, the first amide compound being a monoamide of at least one fatty acid (a1), and at least one amine compound (a2), the amine compound (a2) being an oligomer of at least one alkanolamine (a3) represented by the general formula (1): in the formula, n is 1 or 2; Ris C1-4 linear chain alkylene or C3-10 branched chain alkylene, the C3-10 branched chain alkylene having a main chain, the main chain having a carbon number of 2; and when n is 2, a plurality of R's may be the same, and may be different from each other.

Find Patent Forward Citations

Nakamura, Toshitaka. (2026). Lubricating oil additive composition and lubricating oil composition (U.S. Patent No. 12649889). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12649889

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

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