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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 11034908 B1

PDFFull Text
Date of Patent:
Jun. 15, 2021

Filed:

Mar. 30, 2017

Lubricant composition

Applicant:

Idemitsu Kosan Co., Ltd., Chiyoda-ku, JP;

Inventors:

Tatsuya Kusumoto, Chiba, JP;

Ikuko Nakaya, Ichihara, JP;

Assignee:

IDEMITSU KOSAN CO., LTD., Chiyoda-ku, JP;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Pamela H Weiss

Int. Cl.
CPC ...
C10M 141/10 (2006.01); C10M 137/10 (2006.01); C10M 139/00 (2006.01); C10M 141/12 (2006.01); C10M 129/54 (2006.01); C10M 135/10 (2006.01); C10M 135/18 (2006.01); C10M 169/04 (2006.01); C10N 30/04 (2006.01); C10N 30/00 (2006.01); C10N 40/02 (2006.01); C10N 40/04 (2006.01); C10N 40/25 (2006.01); C10N 40/00 (2006.01);
U.S. Cl.
CPC ...
C10M 141/10 (2013.01); C10M 129/54 (2013.01); C10M 135/10 (2013.01); C10M 135/18 (2013.01); C10M 137/10 (2013.01); C10M 139/00 (2013.01); C10M 141/12 (2013.01); C10M 169/04 (2013.01); C10M 2203/003 (2013.01); C10M 2207/262 (2013.01); C10M 2219/046 (2013.01); C10M 2219/068 (2013.01); C10M 2223/045 (2013.01); C10N 2030/04 (2013.01); C10N 2030/43 (2020.05); C10N 2040/02 (2013.01); C10N 2040/04 (2013.01); C10N 2040/25 (2013.01); C10N 2040/38 (2020.05);
Abstract

The present in relates to a lubricating oil composition for sliding member having a coating film, the lubricating oil composition containing a base oil; (A) a zinc dialkyldithiophosphate; and (B) a metallic detergent, wherein the content of sulfur atom (S) is 2,800 ppm by mass or less on the basis of the whole amount of the lubricating oil composition, and a mass ratio of the content of sulfur atom (S) and the content of metal atom (BM) derived from the component (B) [(S)/(BM)] in the lubricating oil composition is 0.07 or more and 2.90 or less.

Find Patent Forward Citations

Kusumoto, Tatsuya. (2021). Lubricant composition (U.S. Patent No. 11034908). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11034908

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

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