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:
Jan. 24, 2023
Filed:
Feb. 20, 2020
Applicant:
Eneos Corporation, Tokyo, JP;
Inventors:
Kohei Masuda, Tokyo, JP;
Haruko Nagai, Tokyo, JP;
Masaaki Itou, Tokyo, JP;
Mayuko Sumiya, Tokyo, JP;
Assignee:
ENEOS CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 169/04 (2006.01); C10M 145/14 (2006.01); C10M 133/30 (2006.01); C10M 133/44 (2006.01); C10M 135/10 (2006.01); C10M 137/10 (2006.01); C10M 141/10 (2006.01); C10M 161/00 (2006.01); C10N 20/02 (2006.01); C10N 20/04 (2006.01); C10N 30/02 (2006.01); C10N 30/04 (2006.01); C10N 40/04 (2006.01);
U.S. Cl.
CPC ...
C10M 169/044 (2013.01); C10M 133/30 (2013.01); C10M 133/44 (2013.01); C10M 135/10 (2013.01); C10M 137/105 (2013.01); C10M 141/10 (2013.01); C10M 145/14 (2013.01); C10M 161/00 (2013.01); C10M 2203/003 (2013.01); C10M 2209/084 (2013.01); C10M 2215/26 (2013.01); C10M 2215/30 (2013.01); C10M 2219/044 (2013.01); C10M 2223/047 (2013.01); C10M 2223/049 (2013.01); C10N 2020/02 (2013.01); C10N 2020/04 (2013.01); C10N 2030/02 (2013.01); C10N 2030/04 (2013.01); C10N 2040/04 (2013.01);
Abstract
A lubricating oil composition for a transmission, the composition including: (A) a lubricant base oil comprising a mineral base oil and/or a synthetic base oil; and (B) a poly(meth)acrylate having a weight average molecular weight of no more than 25,000, wherein the composition has a kinematic viscosity at 100° C. of 2.5 to 4.9 mm/s.