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:
May. 05, 2015
Filed:
Mar. 31, 2011
Applicants:
Kazuhiro Teshima, Ichihara, JP;
Motoharu Ishikawa, Ichihara, JP;
Inventors:
Kazuhiro Teshima, Ichihara, JP;
Motoharu Ishikawa, Ichihara, JP;
Assignee:
Idemitsu Kosan Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C10M 171/04 (2006.01); C10M 171/02 (2006.01); C10M 171/00 (2006.01); C10M 111/04 (2006.01);
U.S. Cl.
CPC ...
C10M 111/04 (2013.01); C10M 2203/1025 (2013.01); C10M 2209/084 (2013.01); C10N 2220/022 (2013.01); C10N 2230/02 (2013.01); C10N 2230/54 (2013.01); C10N 2230/74 (2013.01); C10N 2240/10 (2013.01); C10M 2203/1006 (2013.01); C10M 2205/0285 (2013.01); C10N 2230/08 (2013.01); C10N 2270/00 (2013.01);
Abstract
A lubricating oil composition for an internal combustion engine contains a component (A) of a polyalphaolefin having a kinematic viscosity at 100 degrees C. of 5.5 mm/s or less, a CCS viscosity at −35 degrees C. of 3000 mPA·s or less and a NOACK of 12 mass % or less, and a component (B) of a mineral oil having a viscosity index of 120 or more. The component (A) is contained at a content of 10 mass % or more of a total amount of the composition.