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:
Jun. 22, 2021
Filed:
Mar. 23, 2017
Idemitsu Kosan Co., Ltd., Chiyoda-ku, JP;
Hiroshi Oki, Chiba, JP;
Motoharu Ishikawa, Chiba, JP;
IDEMITSU KOSAN CO., LTD., Chiyoda-ku, JP;
Abstract
Provided is a lubricating oil composition containing a base oil (A) containing a mineral oil (A1) having a complex viscosity η* at −35° C. of 150 Pa·s or less as measured with a rotary rheometer under conditions at an angular velocity of 6.3 rad/s and a strain amount of 0.1%; a viscosity index improver (B) containing a comb-shaped polymer (B1); and a molybdenum-based friction modifier (C), wherein the content of the molybdenum-based friction modifier (C) in terms of a molybdenum atom is more than 500 ppm by mass and less than 900 ppm by mass on the basis of the whole amount of the lubricating oil composition, and a NOACK value is 10% by mass or less.