IDiyas

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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 11555159 B1

PDFFull Text
Date of Patent:
Jan. 17, 2023

Filed:

Nov. 06, 2019

Lubricating oil composition

Applicant:

Eneos Corporation, Tokyo, JP;

Inventors:

Yohei Susukida, Tokyo, JP;

Yasushi Onumata, Tokyo, JP;

Akira Tada, Tokyo, JP;

Noriko Ayame, Tokyo, JP;

Assignee:

ENEOS CORPORATION, Tokyo, JP;

Attorney:

Greenblum & Bernstein, P.L.C.

Primary Examiner:

Ellen M McAvoy

Int. Cl.
CPC ...
C10M 141/10 (2006.01); C10M 169/04 (2006.01); C10M 129/54 (2006.01); C10M 133/12 (2006.01); C10M 133/44 (2006.01); C10M 135/10 (2006.01); C10M 137/02 (2006.01); C10M 139/00 (2006.01); C10M 177/00 (2006.01); C10N 40/00 (2006.01); C10N 30/04 (2006.01); C10N 30/02 (2006.01); C10N 30/10 (2006.01); C10N 30/14 (2006.01); C10N 40/04 (2006.01); C10N 30/00 (2006.01); C10N 40/25 (2006.01); C10N 70/00 (2006.01);
U.S. Cl.
CPC ...
C10M 141/10 (2013.01); C10M 129/54 (2013.01); C10M 133/12 (2013.01); C10M 133/44 (2013.01); C10M 135/10 (2013.01); C10M 137/02 (2013.01); C10M 139/00 (2013.01); C10M 169/04 (2013.01); C10M 177/00 (2013.01); C10M 2203/003 (2013.01); C10M 2207/144 (2013.01); C10M 2215/26 (2013.01); C10M 2215/30 (2013.01); C10M 2219/044 (2013.01); C10M 2223/049 (2013.01); C10M 2227/061 (2013.01); C10N 2030/02 (2013.01); C10N 2030/04 (2013.01); C10N 2030/041 (2020.05); C10N 2030/10 (2013.01); C10N 2030/14 (2013.01); C10N 2030/42 (2020.05); C10N 2040/04 (2013.01); C10N 2040/25 (2013.01); C10N 2040/40 (2020.05); C10N 2070/00 (2013.01);
Abstract

A lubricating oil composition including: a lubricant base oil; (A) a triazole metal deactivator in an amount of 0.005 to 0.03 mass % in terms of nitrogen on the basis of the total mass of the composition; and (B1) a succinimide compound represented by the following general formula (1) in an amount of 0.0005 to 0.02 mass % in terms of nitrogen on the basis of the total mass of the composition: wherein in the general formula (1), Rand Reach independently represent a hydrogen atom or a C1-36 linear or branched chain alkyl or alkenyl group, and at least one of Rand Ris a C8-36 linear or branched chain alkyl or alkenyl group, and n represents an integer of 1 to 10.

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