Title:
LUBRICATING OIL COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2008/050681
Kind Code:
A1
Abstract:
A lubricating oil composition comprising (A) a base oil for a lubricating oil, (B) oxymolybdenum dithiocarbamate sulfide, (C) an acid amide compound, (D) (d1) a fatty acid partial ester compound and/or (d2) a fatty acid amine compound, and (E) a specific benzotriazole derivative, wherein the content of the component (B) is 0.02 to 0.1 mass% in terms of molybdenum, the content of the component (C) is 0.2 to 1.0 mass%, the content of the component (D) is 0.2 to 1.0 mass%, and the content of the component (E) is 0.02 to 0.1 mass%, based on the total amount of the composition. The lubricating oil composition has excellent friction reduction effect and high anti-corrosion effect against copper and lead and meets the environmental requirements.
Inventors:
KAMANO HIDEKI (JP)
Application Number:
PCT/JP2007/070435
Publication Date:
May 02, 2008
Filing Date:
October 19, 2007
Export Citation:
Assignee:
IDEMITSU KOSAN CO (JP)
KAMANO HIDEKI (JP)
KAMANO HIDEKI (JP)
International Classes:
C10M141/12; C10M129/76; C10M133/06; C10M133/08; C10M133/16; C10M133/38; C10M133/44; C10M135/18; C10M137/10; C10M139/00; C10N10/04; C10N10/12; C10N30/06; C10N30/12; C10N40/25
Foreign References:
| JP2006182986A | 2006-07-13 | |||
| JPH05186787A | 1993-07-27 | |||
| JPS60172973A | 1985-09-06 | |||
| JP2005220197A | 2005-08-18 | |||
| JP2005220199A | 2005-08-18 | |||
| JP2003252887A | 2003-09-10 | |||
| JPH0322438B2 | 1991-03-26 | |||
| JP2004002866A | 2004-01-08 |
Other References:
See also references of EP 2080798A4
Attorney, Agent or Firm:
OHTANI, Tamotsu et al. (Bridgestone Toranomon Bldg.6F., 25-2, Toranomon 3-chome,Minato-k, Tokyo 01, JP)
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