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.:
Date of Patent:
Oct. 04, 2016
Filed:
Aug. 19, 2013
Applicant:
Idemitsu Kosan Co., Ltd., Chiyoda-ku, JP;
Inventors:
Shuichi Sakanoue, Ichihara, JP;
Aya Aoki, Ichihara, JP;
Assignee:
IDEMITSU KOSAN CO., LTD., Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C10M 141/10 (2006.01); C10M 161/00 (2006.01);
U.S. Cl.
CPC ...
C10M 161/00 (2013.01); C10M 141/10 (2013.01); C10M 2215/28 (2013.01); C10M 2219/084 (2013.01); C10M 2219/087 (2013.01); C10M 2223/04 (2013.01); C10N 2230/06 (2013.01); C10N 2230/08 (2013.01); C10N 2240/08 (2013.01);
Abstract
A lubricating oil composition includes: a base oil; a component (A) that is a dialkyl hydrogen phosphite; a component (B) that is a sulfur antioxidant; and a component (C) that is a polyalkenyl succinimide. Since the lubricating oil composition of the invention exhibits an excellent lubricity to both iron metal and copper metal and an excellent heat stability, the lubricating oil composition of the invention is suitable for a shock absorber of an automobiles and the like.