Title:
LUBRICATING OIL COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2011/068137
Kind Code:
A1
Abstract:
Provided is a lubricating oil composition, in which a specific sulfur-containing compound and a specific polar group-containing compound are blended with a base oil, and, therefore, which has good abrasion resistance, even if containing phosphorus, sulfur and sulfated ash each in a small amount, and exhibits excellent friction-reducing effect, even if being used in a DLC-treated sliding part.
Inventors:
KAMANO HIDEKI (JP)
Application Number:
PCT/JP2010/071520
Publication Date:
June 09, 2011
Filing Date:
December 01, 2010
Export Citation:
Assignee:
IDEMITSU KOSAN CO (JP)
KAMANO HIDEKI (JP)
KAMANO HIDEKI (JP)
International Classes:
C10M141/08; C10M129/76; C10M133/06; C10M133/16; C10M135/20; C10N20/00; C10N30/06; C10N40/25
Domestic Patent References:
| WO2008038701A1 | 2008-04-03 | |||
| WO2008029756A1 | 2008-03-13 | |||
| WO2008146669A1 | 2008-12-04 | |||
| WO2006009012A1 | 2006-01-26 |
Foreign References:
| JP2008115267A | 2008-05-22 | |||
| JP2005320441A | 2005-11-17 | |||
| JP2001064286A | 2001-03-13 | |||
| JP2004262964A | 2004-09-24 | |||
| JP2004262965A | 2004-09-24 | |||
| JP2008056876A | 2008-03-13 | |||
| JP2007131792A | 2007-05-31 | |||
| JP2008056735A | 2008-03-13 | |||
| JP2003252887A | 2003-09-10 | |||
| JPH0322438B2 | 1991-03-26 | |||
| JP2004002866A | 2004-01-08 |
Other References:
See also references of EP 2508590A4
Attorney, Agent or Firm:
OHTANI, Tamotsu et al. (JP)
Tamotsu Otani (JP)
Tamotsu Otani (JP)
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