Title:
LUBRICATING OIL COMPOSITION AND METHOD FOR MANUFACTURING SAID LUBRICATING OIL COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2016/043333
Kind Code:
A1
Abstract:
This lubricating oil composition contains a base oil along with a viscosity index improver (A) comprising a comb-shaped polymer (A1), a detergent dispersant (B) comprising an alkali metal borate (B1) and an organic metal compound (B2) containing a metal atom selected from alkali metal atoms and alkaline earth metal atoms, as well as a friction modifier (C) comprising a molybdenum friction modifier, and the total content of alkali metal atoms and alkaline earth metal atoms is not more than 2000 mass ppm. This lubricating oil composition has excellent cleaning properties, fuel efficiency, and LSPI-preventing properties.
Inventors:
TAMURA KAZUSHI (JP)
Application Number:
PCT/JP2015/076808
Publication Date:
March 24, 2016
Filing Date:
September 18, 2015
Export Citation:
Assignee:
IDEMITSU KOSAN CO (JP)
International Classes:
C10M141/12; C10M163/00; C10M125/26; C10M133/16; C10M133/56; C10M139/00; C10M159/22; C10M159/24; C10N10/02; C10N10/04; C10N10/12; C10N20/04; C10N30/00; C10N30/04; C10N30/06; C10N40/02; C10N40/04; C10N40/06; C10N40/08; C10N40/12; C10N40/22; C10N40/25; C10N40/30
Foreign References:
| JP2014152301A | 2014-08-25 | |||
| JP2013536293A | 2013-09-19 | |||
| JP2008106255A | 2008-05-08 | |||
| JP2005306913A | 2005-11-04 |
Other References:
See also references of EP 3196278A4
Attorney, Agent or Firm:
OHTANI, Tamotsu (JP)
Tamotsu Otani (JP)
Tamotsu Otani (JP)
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