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. 15, 2019
Filed:
Feb. 25, 2016
Applicant:
Jxtg Nippon Oil & Energy Corporation, Tokyo, JP;
Inventor:
Hitoshi Komatsubara, Tokyo, JP;
Assignee:
JXTG NIPPON OIL & ENERGY CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 169/04 (2006.01); C10M 165/00 (2006.01); C10M 133/16 (2006.01); C10M 135/36 (2006.01); C10M 135/22 (2006.01); C10M 137/04 (2006.01);
U.S. Cl.
CPC ...
C10M 169/047 (2013.01); C10M 165/00 (2013.01); C10M 169/04 (2013.01); C10M 2203/1006 (2013.01); C10M 2203/1025 (2013.01); C10M 2205/028 (2013.01); C10M 2205/0285 (2013.01); C10M 2209/084 (2013.01); C10M 2215/04 (2013.01); C10M 2215/064 (2013.01); C10M 2215/28 (2013.01); C10M 2219/08 (2013.01); C10M 2219/106 (2013.01); C10M 2223/04 (2013.01); C10M 2223/049 (2013.01); C10N 2220/021 (2013.01); C10N 2220/022 (2013.01); C10N 2230/02 (2013.01); C10N 2230/06 (2013.01); C10N 2230/10 (2013.01); C10N 2230/42 (2013.01); C10N 2230/76 (2013.01); C10N 2240/04 (2013.01); C10N 2240/042 (2013.01); C10N 2240/044 (2013.01); C10N 2240/045 (2013.01);
Abstract
Disclosed is a lubricating oil composition for gear oil, comprising a lubricating base oil having a kinematic viscosity at 40° C. of 140 to 350 mm/s, a copolymer of an α-olefin and an ester monomer having a polymerizable unsaturated bond, a performance additive containing phosphorus and sulfur, and a poly(meth)acrylate pour-point depressant.