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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 11248187 B1

PDFFull Text
Date of Patent:
Feb. 15, 2022

Filed:

Mar. 24, 2021

Lubricant additive composition, lubricating composition containing same and engine oil composition consisting of lubricating composition

Applicant:

Adeka Corporation, Tokyo, JP;

Inventors:

Shinji Iino, Tokyo, JP;

Eiji Katsuno, Tokyo, JP;

Taro Sumi, Tokyo, JP;

Assignee:

ADEKA CORPORATION, Tokyo, JP;

Attorney:

Wenderoth, Lind & Ponack, L.L.P.

Primary Examiner:

Vishal V Vasisth

Int. Cl.
CPC ...
C10M 141/12 (2006.01); C10M 133/06 (2006.01); C10M 135/18 (2006.01); C10M 139/00 (2006.01); C10M 169/04 (2006.01); C10N 10/04 (2006.01); C10N 10/12 (2006.01); C10N 30/06 (2006.01); C10N 30/10 (2006.01); C10N 30/12 (2006.01); C10N 40/25 (2006.01);
U.S. Cl.
CPC ...
C10M 141/12 (2013.01); C10M 133/06 (2013.01); C10M 135/18 (2013.01); C10M 139/00 (2013.01); C10M 169/04 (2013.01); C10M 2207/144 (2013.01); C10M 2215/04 (2013.01); C10M 2215/223 (2013.01); C10M 2219/066 (2013.01); C10M 2227/00 (2013.01); C10N 2010/04 (2013.01); C10N 2010/12 (2013.01); C10N 2030/06 (2013.01); C10N 2030/10 (2013.01); C10N 2030/12 (2013.01); C10N 2040/252 (2020.05); C10N 2040/255 (2020.05);
Abstract

A lubricating composition including: a base oil, a lubricant additive composition including, as a component (A), an organic molybdenum compound of the formula (1) described in the specification, and as a component (B), an amine compound of the formula (2) described in the specification, and a specific metal-based cleaner, wherein a content of the component (B) is 2.9 to 18.6 parts by mass relative to 100 parts by mass of molybdenum atoms of the component (A), and a content of the metal-based cleaner is 0.1% to 10% by mass relative to a total amount of the lubricating composition, wherein the lubricating composition does not include tetraalkyl thiuram disulphide, and wherein the component (A) in terms of the amount of molybdenum atoms is 400 to 1200 ppm by mass relative to a total amount of the lubricating composition.

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