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. 23, 2023
Filed:
Apr. 16, 2019
Applicant:
Mitsui Chemicals, Inc., Tokyo, JP;
Inventors:
Akio Hayakawa, Kawasaki, JP;
Akihiro Udagawa, Chiba, JP;
Noriko Kai, Otake, JP;
Yuji Tokunaga, Otake, JP;
Assignee:
MITSUI CHEMICALS, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 107/04 (2006.01); C10M 143/02 (2006.01); C10N 40/25 (2006.01); C10N 30/02 (2006.01); C10N 40/26 (2006.01);
U.S. Cl.
CPC ...
C10M 107/04 (2013.01); C10M 143/02 (2013.01); C10M 2205/022 (2013.01); C10M 2205/0225 (2013.01); C10N 2030/02 (2013.01); C10N 2040/252 (2020.05); C10N 2040/255 (2020.05); C10N 2040/26 (2013.01);
Abstract
A lubricating oil composition includes an ethylene/α-olefin copolymer (A) having 70 to 90 mole % of structural units derived from ethylene and an intrinsic viscosity [η] of 0.3 to 1.0 dl/g.