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:
Apr. 02, 2024
Filed:
Jan. 15, 2021
Applicant:
Idemitsu Kosan Co., Ltd., Chiyoda-ku, JP;
Inventors:
Yasuhito Nakahara, Tokyo, JP;
Hiroyuki Tatsumi, Tokyo, JP;
Keiichi Narita, Tokyo, JP;
Koki Ito, Tokyo, JP;
Assignee:
Idemitsu Kosan Co., Ltd., Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C10M 131/04 (2006.01); C10M 101/02 (2006.01); C10M 169/04 (2006.01); C10N 20/02 (2006.01); C10N 40/04 (2006.01);
U.S. Cl.
CPC ...
C10M 131/04 (2013.01); C10M 101/02 (2013.01); C10M 169/04 (2013.01); C10M 2203/003 (2013.01); C10M 2211/022 (2013.01); C10N 2020/02 (2013.01); C10N 2040/042 (2020.05); C10N 2040/045 (2020.05);
Abstract
A lubricating oil composition which contains a base oil and a fluorine compound and may have improved cooling performance. The base oil may contain a mineral oil. The base oil may have a kinematic viscosity in a range of from 1 to 25 mm/s at 40° C. The content of the fluorine compound may be in a range of from 3 to 30% by weight based on the total amount of the composition.