Title:
LUBRICATING OIL COMPOSITION AND METHOD FOR PRODUCING LUBRICATING OIL COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2017/146232
Kind Code:
A1
Abstract:
Provided is a lubricating oil composition which has a sulfated ash content of 0.70% by mass or less and includes: a base oil (A); 400 ppm by mass or more of a molybdenum dithiophosphate (B1) in terms of molybdenum atoms; 1400 ppm by mass or less of an organic metal based detergent (C1) in terms of metal atoms, the metal based detergent (C1) including metal atoms selected from alkali metal atoms and alkali earth metal atoms; and 900 ppm by mass or more of a hindered amine antioxidant (D1) in terms of nitrogen atoms. The lubricating oil composition has low ash content while having a good balance of improved cleanliness, wear resistance, and friction reducing effects.
Inventors:
KUSUMOTO TATSUYA (JP)
ISHIKAWA MOTOHARU (JP)
OKI HIROSHI (JP)
ISHIKAWA MOTOHARU (JP)
OKI HIROSHI (JP)
Application Number:
PCT/JP2017/007206
Publication Date:
August 31, 2017
Filing Date:
February 24, 2017
Export Citation:
Assignee:
IDEMITSU KOSAN CO (JP)
International Classes:
C10M141/12; C10M125/26; C10M133/40; C10M135/18; C10M137/10; C10N10/02; C10N10/04; C10N10/12; C10N20/00; C10N30/04; C10N30/06; C10N40/25
Domestic Patent References:
| WO2008047550A1 | 2008-04-24 | |||
| WO2014017182A1 | 2014-01-30 | |||
| WO2008109523A1 | 2008-09-12 | |||
| WO2011077810A1 | 2011-06-30 |
Foreign References:
| JP2004051758A | 2004-02-19 | |||
| JP2001354987A | 2001-12-25 | |||
| JP2015196695A | 2015-11-09 | |||
| JP2014125630A | 2014-07-07 | |||
| JP2016216653A | 2016-12-22 |
Attorney, Agent or Firm:
OHTANI, Tamotsu et al. (JP)
Download PDF: