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. 13, 2015
Filed:
Sep. 28, 2012
Applicants:
Balbis Co.,ltd., Hyogo, JP;
Sato Special Oil Co., Ltd., Osaka, JP;
Knc Laboratories Co., Ltd., Hyogo, JP;
Inventor:
Akihiro Oda, Osaka, JP;
Assignees:
BALBIS CO., LTD., Hyogo, JP;
SATO SPECIAL OIL CO., LTD., Osaka, JP;
KNC LABORATORIES CO., LTD., Kobe-Shi, Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 105/34 (2006.01); C10M 105/38 (2006.01); C10M 129/70 (2006.01); C10M 129/74 (2006.01); C10M 105/36 (2006.01);
U.S. Cl.
CPC ...
C10M 105/36 (2013.01); C10M 105/38 (2013.01); C10M 2207/2835 (2013.01); C10N 2230/02 (2013.01); C10N 2230/06 (2013.01); C10N 2230/74 (2013.01); C10N 2240/02 (2013.01);
Abstract
A bearing lubricant composition includes a base oil containing an ester compound (α) represent by the general formula (1), and has a pour point of −30° C. or lower and a viscosity index of 150 or more. [wherein, Ais a Clinear or branched alkylene group; and at least one of Xand Xis a Clinear or branched alkyl ether group, or when it is not an alkyl ether group, it is a Clinear or branched alkyl group.]