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:
May. 02, 2017
Filed:
Sep. 27, 2010
Applicants:
Shigeki Matsui, Tokyo, JP;
Akira Yaguchi, Tokyo, JP;
Akio Mutou, Tokyo, JP;
Mari Nagae, Tokyo, JP;
Inventors:
Assignee:
JX NIPPON OIL & ENERGY CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 163/00 (2006.01); C10M 159/20 (2006.01);
U.S. Cl.
CPC ...
C10M 163/00 (2013.01); C10M 2203/1025 (2013.01); C10M 2207/262 (2013.01); C10M 2209/084 (2013.01); C10M 2215/28 (2013.01); C10M 2219/068 (2013.01); C10M 2223/045 (2013.01); C10M 2227/066 (2013.01); C10N 2220/021 (2013.01); C10N 2220/022 (2013.01); C10N 2220/033 (2013.01); C10N 2230/02 (2013.01); C10N 2230/06 (2013.01); C10N 2230/52 (2013.01); C10N 2230/54 (2013.01); C10N 2230/68 (2013.01); C10N 2240/04 (2013.01); C10N 2240/102 (2013.01); C10N 2240/104 (2013.01);
Abstract
The lubricating oil composition of the invention comprises a lubricating base oil with a 100° C. kinematic viscosity of 1-20 mm/s, (A) a friction modifier, (B) a first overbased metal salt obtained by overbasing an oil-soluble metal salt with an alkaline earth metal borate, and (C) an overbased second oil-soluble metal salt obtained by overbasing an oil-soluble metal salt with an alkaline earth metal carbonate.