Title:
LUBRICANT COMPOSITION FOR INTERNAL COMBUSTION ENGINES
Document Type and Number:
WIPO Patent Application WO/2011/158595
Kind Code:
A1
Abstract:
Disclosed is a lubricant composition for internal combustion engines, which contains a component (A), a component (B) and a component (C) as essential ingredients, and which is characterized in that the phosphorus content in the composition is 50-1,000 ppm by mass. Component (A): a base oil Component (B): a compound represented by general formula (1) Component (C): a metal-containing antioxidant (In the formula, R1-R8 each independently represents a hydrogen atom or an alkyl group having 1-20 carbon atoms; Z represents a hydrocarbon group having 2-20 carbon atoms; and n represents a number of 1-10.)
Inventors:
TATSUMI YUKIO (JP)
YAMAMOTO KENJI (JP)
YAMAMOTO KENJI (JP)
Application Number:
PCT/JP2011/061413
Publication Date:
December 22, 2011
Filing Date:
May 18, 2011
Export Citation:
Assignee:
ADEKA CORP (JP)
TATSUMI YUKIO (JP)
YAMAMOTO KENJI (JP)
TATSUMI YUKIO (JP)
YAMAMOTO KENJI (JP)
International Classes:
C10M169/04; C10M101/02; C10M105/04; C10M105/06; C10M105/32; C10M105/34; C10M105/36; C10M105/76; C10M107/08; C10M107/32; C10M107/34; C10M107/38; C10M107/50; C10M135/18; C10M137/04; C10M137/10; C10M139/00; C10N10/04; C10N10/12; C10N30/06; C10N30/10; C10N40/25
Domestic Patent References:
| WO1996020263A1 | 1996-07-04 |
Foreign References:
| JPH0680981A | 1994-03-22 | |||
| JP2004051758A | 2004-02-19 | |||
| JP2001262172A | 2001-09-26 | |||
| JP2000192068A | 2000-07-11 | |||
| EP0612837A1 | 1994-08-31 | |||
| US3492373A | 1970-01-27 | |||
| JPH05194559A | 1993-08-03 | |||
| JP2006131766A | 2006-05-25 | |||
| JPH1017883A | 1998-01-20 | |||
| JPH07207290A | 1995-08-08 | |||
| JP2003165992A | 2003-06-10 | |||
| JPS61285293A | 1986-12-16 |
Other References:
See also references of EP 2584026A4
Attorney, Agent or Firm:
SOGA, Michiharu et al. (JP)
Michiharu Soga (JP)
Michiharu Soga (JP)
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Claims: