Title:
LUBRICATING OIL COMPOSITION
Document Type and Number:
Japanese Patent JP2008019442
Kind Code:
A
Abstract:
To provide a lubricating oil composition that is inexpensive and can attain reduction in thin-film friction and enhancement of fuel economy.
The lubricating oil composition comprises a base oil having a tetracycloparaffin content of less than about 3 wt.%. The composition further contains, as a sulfur-containing phosphorous compound, a thiophosphate, a dithiophosphate, a sulfur-containing neopentylglycol phosphite and a salt of the sulfur-containing neopentylglycol phosphite. The composition further contains, as a dispersant, at least one from among succinimide, succinimide boride, a Mannich dispersant, a functionalized olefin copolymer and a poly(meth)acrylate copolymer.
Inventors:
DEVLIN MARK T
JAO TZE-CHI
LOPER JOHN T
SHEETS ROGER M
GUINTHER GREGORY H
JAO TZE-CHI
LOPER JOHN T
SHEETS ROGER M
GUINTHER GREGORY H
Application Number:
JP2007184487A
Publication Date:
January 31, 2008
Filing Date:
July 13, 2007
Export Citation:
Assignee:
AFTON CHEMICAL CORP
International Classes:
C10M169/04; C10M101/02; C10M129/76; C10M133/04; C10M133/08; C10M133/16; C10M135/18; C10M137/02; C10M137/10; C10M139/00; C10M145/14; C10M149/04; C10M159/16; C10N10/12; C10N20/00; C10N20/02; C10N30/00; C10N30/06; C10N40/04; C10N40/25
Domestic Patent References:
| JP2006131902A | 2006-05-25 | |||
| JP2006161049A | 2006-06-22 | |||
| JP2005082709A | 2005-03-31 | |||
| JP2004522848A | 2004-07-29 | |||
| JP2004521977A | 2004-07-22 | |||
| JP2008019437A | 2008-01-31 |
Foreign References:
| WO2006073198A1 | 2006-07-13 | |||
| WO2005066314A1 | 2005-07-21 |
Attorney, Agent or Firm:
Heikichi Odashima