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. 25, 2015
Filed:
Mar. 26, 2010
Applicant:
Masatoshi Toda, Chiba, JP;
Inventor:
Masatoshi Toda, Chiba, JP;
Assignee:
IDEMITSU KOSAN CO., LTD., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C10M 169/04 (2006.01); C10M 143/04 (2006.01); C10M 135/18 (2006.01); C10M 135/22 (2006.01); C10M 137/04 (2006.01); C10M 137/10 (2006.01);
U.S. Cl.
CPC ...
C10M 169/044 (2013.01); C10M 2203/1006 (2013.01); C10M 2205/022 (2013.01); C10M 2205/0285 (2013.01); C10M 2209/084 (2013.01); C10M 2215/28 (2013.01); C10M 2219/068 (2013.01); C10M 2219/08 (2013.01); C10M 2219/082 (2013.01); C10M 2223/04 (2013.01); C10M 2223/041 (2013.01); C10M 2223/045 (2013.01); C10M 2223/047 (2013.01); C10M 2223/049 (2013.01); C10M 2227/066 (2013.01); C10N 2210/06 (2013.01); C10N 2220/021 (2013.01); C10N 2220/022 (2013.01); C10N 2230/02 (2013.01); C10N 2230/06 (2013.01); C10N 2230/54 (2013.01); C10N 2230/68 (2013.01); C10N 2240/04 (2013.01);
Abstract
A particular gear oil composition is provided that contains (A) a base oil, (B) an ethylene-α-olefin copolymer, (C) a sulfur-containing compound, (D) an organomolybdenum compound and (E) a phosphorus-containing compound, which is excellent in extreme pressure properties, shear stability and wear resistance, and is excellent in fuel saving properties.