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:
Sep. 30, 2003
Filed:
Jan. 30, 2001
Applicant:
Inventors:
Kiyoshi Inoue, Hiratsuka, JP;
Jinichi Igarashi, Tokyo, JP;
Mituaki Ishimaru, Yokohama, JP;
Mineo Kagaya, Fujisawa, JP;
Masakuni Hirata, Tokyo, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
C10M / ;
Abstract
An engine oil composition characterized by containing a major amount of lubricating base oil and (a) 0.01 to 30% by weight of an overbasic oil-soluble metal salt prepared by use of an alkaline-earth metal borate, (b) 0.01 to 5% by weight of a molybdenum dithiocarbamate, and (c) 0.01 to 5% by weight of an antioxidant as essential components, on the basis of the total amount of the composition.