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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 10301570 B1

PDFFull Text
Date of Patent:
May. 28, 2019

Filed:

Mar. 31, 2016

Lubricating oil composition for internal combustion engine

Applicant:

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

Inventors:

Motoharu Ishikawa, Chiba, JP;

Tatsuya Kusumoto, Chiba, JP;

Shinji Suzuki, Chiba, JP;

Assignee:

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

Attorney:

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

Primary Examiner:

Vishal V Vasisth

Int. Cl.
CPC ...
C10M 129/50 (2006.01); C10M 141/08 (2006.01); C10M 141/12 (2006.01); C10M 163/00 (2006.01); C10M 169/04 (2006.01);
U.S. Cl.
CPC ...
C10M 141/08 (2013.01); C10M 129/50 (2013.01); C10M 141/12 (2013.01); C10M 163/00 (2013.01); C10M 169/04 (2013.01); C10M 2203/003 (2013.01); C10M 2203/024 (2013.01); C10M 2203/1006 (2013.01); C10M 2207/023 (2013.01); C10M 2207/026 (2013.01); C10M 2207/262 (2013.01); C10M 2207/289 (2013.01); C10M 2209/084 (2013.01); C10M 2215/04 (2013.01); C10M 2215/064 (2013.01); C10M 2215/28 (2013.01); C10M 2219/046 (2013.01); C10M 2219/068 (2013.01); C10M 2223/045 (2013.01); C10M 2227/066 (2013.01); C10N 2210/02 (2013.01); C10N 2210/06 (2013.01); C10N 2220/021 (2013.01); C10N 2220/082 (2013.01); C10N 2230/02 (2013.01); C10N 2230/04 (2013.01); C10N 2230/06 (2013.01); C10N 2230/10 (2013.01); C10N 2230/38 (2013.01); C10N 2230/43 (2013.01); C10N 2230/45 (2013.01); C10N 2230/50 (2013.01); C10N 2230/52 (2013.01); C10N 2230/66 (2013.01); C10N 2240/10 (2013.01); C10N 2240/102 (2013.01); C10N 2240/104 (2013.01);
Abstract

Provided are a lubricating oil composition for internal combustion engine, containing a lubricating base oil containing a mineral oil and/or a synthetic oil, (A) an overbased calcium salicylate, (B) an overbased magnesium detergent, (C) a binuclear and/or trinuclear organic molybdenum compound, (D) a phenol-based antioxidant, and (E) an amine-based antioxidant, wherein the component (C), the component (D), and the component (E) are contained in specified contents on the basis of the whole amount of the lubricating oil composition; a method for producing the lubricating oil composition for internal combustion engine; and a lubrication method including using the lubricating oil composition for internal combustion engine.

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