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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 10961479 B1

PDFFull Text
Date of Patent:
Mar. 30, 2021

Filed:

Jun. 07, 2017

Lubricating oil composition

Applicant:

Nof Corporation, Tokyo, JP;

Inventors:

Hideki Kawamoto, Amagasaki, JP;

Shunsuke Monjiyama, Amagasaki, JP;

Assignee:

NOF CORPORATION, Tokyo, JP;

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Vishal V Vasisth

Int. Cl.
CPC ...
C10M 105/42 (2006.01); C10M 129/76 (2006.01); C10M 137/08 (2006.01); C10M 169/04 (2006.01); C10N 30/00 (2006.01); C10N 20/00 (2006.01); C10N 20/02 (2006.01); C10N 30/06 (2006.01); C10N 30/10 (2006.01); C10N 30/12 (2006.01); C10N 40/02 (2006.01); C10N 40/04 (2006.01); C10N 40/08 (2006.01);
U.S. Cl.
CPC ...
C10M 105/42 (2013.01); C10M 129/76 (2013.01); C10M 137/08 (2013.01); C10M 169/04 (2013.01); C10M 2207/289 (2013.01); C10M 2207/301 (2013.01); C10M 2223/043 (2013.01); C10N 2020/02 (2013.01); C10N 2020/081 (2020.05); C10N 2030/06 (2013.01); C10N 2030/10 (2013.01); C10N 2030/12 (2013.01); C10N 2030/64 (2020.05); C10N 2040/02 (2013.01); C10N 2040/04 (2013.01); C10N 2040/08 (2013.01);
Abstract

A lubricating oil composition including 100 mass parts of (A) an ester compound, 0.05 to 1.5 mass parts of (B) an amine salt of an acidic phosphoric ester and 0.01 to 0.50 mass parts of (C) a monoesterified compound, wherein (A) the ester compound is an ester compound of trimethylolpropane, a straight-chain saturated fatty acid having a carbon number of 8 to 10 and adipic acid; (B) the amine salt is an amine salt of an acidic phosphoric ester; and (C) the monoesterified compound is a monoesterified compound of an alkane diol having a carbon number of 3 to 8 and of succinic acid having an alkyl group having a carbon number of 8 to 18 or an alkenyl group having a carbon number of 8 to 18.

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