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:
Aug. 23, 2022
Filed:
Oct. 02, 2018
Applicant:
Idemitsu Kosan Co., Ltd., Chiyoda-ku, JP;
Inventor:
Takeshi Iwasaki, Chiba, JP;
Assignee:
IDEMITSU KOSAN CO., LTD., Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C10M 141/10 (2006.01); C10M 135/04 (2006.01); C10M 137/02 (2006.01); C10M 137/04 (2006.01); C10N 40/04 (2006.01);
U.S. Cl.
CPC ...
C10M 141/10 (2013.01); C10M 135/04 (2013.01); C10M 137/02 (2013.01); C10M 137/04 (2013.01); C10M 2223/04 (2013.01); C10M 2223/049 (2013.01); C10N 2040/04 (2013.01);
Abstract
Disclosed are a gear oil composition for automobiles containing at least (A) a base oil, (B) a sulfur-based extreme pressure agent, and (C) a phosphorus-based extreme pressure agent and satisfying specific requirements (i) and (ii), which is excellent in seizing resistance and wear resistance and also in fuel-saving performance, and a lubrication method using the gear oil composition.