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:
Oct. 01, 2013
Filed:
Mar. 23, 2009
Applicant:
Kazuo Tagawa, Yokohama, JP;
Inventor:
Kazuo Tagawa, Yokohama, JP;
Assignee:
JX Nippon Oil & Energy Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 135/30 (2006.01); C10M 135/22 (2006.01); C10M 113/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
The lubricating oil composition for an internal combustion engine of the invention comprises a lubricating base oil having a urea adduct value of not greater than 4% by mass and a viscosity index of 100 or greater, an ash-free antioxidant containing no sulfur as a constituent element, and at least one compound selected from among ash-free antioxidants containing sulfur as a constituent element and organic molybdenum compounds.