Title:
ENGINE OIL COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2015/146396
Kind Code:
A1
Abstract:
Provided is an engine oil composition which can achieve both excellent fuel-saving performance and excellent wear resistance. The composition comprises a lubricant oil base oil having a specified property, both a star polymer and a polymer having a specific nitrogen-containing group as essential viscosity index improvers, and an amide compound and/or an imide compound as an essential friction modifier, and can be used particularly suitably as a diesel engine oil.
Inventors:
YOSHIDA SATORU (JP)
Application Number:
PCT/JP2015/054758
Publication Date:
October 01, 2015
Filing Date:
February 20, 2015
Export Citation:
Assignee:
JX NIPPON OIL & ENERGY CORP (JP)
International Classes:
C10M169/04; C10M101/02; C10M133/16; C10M143/14; C10M167/00; C10N20/02; C10N20/04; C10N30/00; C10N30/06; C10N40/25
Domestic Patent References:
| WO2011077811A1 | 2011-06-30 | |||
| WO2013046484A1 | 2013-04-04 | |||
| WO2014017556A1 | 2014-01-30 | |||
| WO2014156306A1 | 2014-10-02 |
Foreign References:
| JP2013512313A | 2013-04-11 | |||
| JP2008518051A | 2008-05-29 | |||
| JP2012532958A | 2012-12-20 |
Attorney, Agent or Firm:
SAKAI Hajime et al. (JP)
Sakai 1 (JP)
Sakai 1 (JP)
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