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.

Date of Patent:
Mar. 06, 2018

Filed:

Dec. 17, 2013
Applicant:

Jx Nippon Oil & Energy Corporation, Chiyoda-ku, Tokyo, JP;

Inventor:

Shigeki Takeshima, Chigasaki, JP;

Assignee:

JX Nippon Oil & Energy Corporation, Chiyoda-ku, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 161/00 (2006.01); C10M 163/00 (2006.01); C10M 169/04 (2006.01);
U.S. Cl.
CPC ...
C10M 161/00 (2013.01); C10M 163/00 (2013.01); C10M 169/045 (2013.01); C10M 2203/1025 (2013.01); C10M 2207/026 (2013.01); C10M 2207/262 (2013.01); C10M 2215/064 (2013.01); C10M 2215/28 (2013.01); C10M 2219/046 (2013.01); C10M 2219/068 (2013.01); C10M 2223/045 (2013.01); C10M 2227/066 (2013.01); C10M 2227/09 (2013.01); C10N 2210/02 (2013.01); C10N 2210/06 (2013.01); C10N 2220/022 (2013.01); C10N 2230/02 (2013.01); C10N 2230/04 (2013.01); C10N 2230/08 (2013.01); C10N 2230/10 (2013.01); C10N 2230/42 (2013.01); C10N 2230/52 (2013.01); C10N 2240/102 (2013.01);
Abstract

The disclosure provides (i) a lubricating oil composition including a base oil (A) with a kinematic viscosity at 100° C. of 8.2-12.6 mm/s and a saturated hydrocarbon content of 90% by mass or more, a metallic detergent (B) and a zinc dithiophosphate (C), wherein a content of the metallic detergent (B) is 2.5 mmol or more as a soap content concentration per 100 g of the composition, a phosphorous content is 200-1000 mass ppm, and a base number is 7.5 mg KOH/g or more, and (ii) a lubricating oil composition including the base oil (A), the metallic detergent (B), the zinc dithiophosphate (C) and an amine-based antioxidant (E), wherein a content of the amine-based antioxidant (E) is 0.3% by mass or more in terms of total content of the composition, a base number is 6.5 mg KOH/g or more, and a phosphorous content is 200-1000 mass ppm.


Find Patent Forward Citations

Takeshima, Shigeki. (2018). System lubricating oil composition for crosshead diesel engine (U.S. Patent No. 9909083). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9909083

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…