Title:
LUBRICATING OIL COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2015/122525
Kind Code:
A1
Abstract:
A lubricating oil composition comprising components (A-D) blended in a lubricating oil base oil. (A): A metal-based cleaning agent having a base number of less than 100 mg KOH/g. (B): a metal-based cleaning agent having a base number of at least 100 mg KOH/g. (C): A tertiary amine indicated by formula (1) (in the formula, R1 indicates a C4 or higher hydrocarbon group and R2 and R3 indicate a C4 or lower hydrocarbon group.) (D): At least one type out of an acidic phosphoric acid ester and an acidic phosphite ester.
Inventors:
NARITA KEIICHI (JP)
NARA ATSUSHI (JP)
NARA ATSUSHI (JP)
Application Number:
PCT/JP2015/054187
Publication Date:
August 20, 2015
Filing Date:
February 16, 2015
Export Citation:
Assignee:
IDEMITSU KOSAN CO (JP)
International Classes:
C10M163/00; C10M129/10; C10M129/54; C10M133/04; C10M135/10; C10M137/02; C10M137/04; C10M159/20; C10M159/22; C10M159/24; C10N10/04; C10N20/00; C10N30/00; C10N40/04
Domestic Patent References:
| WO2013137258A1 | 2013-09-19 | |||
| WO2011037054A1 | 2011-03-31 |
Foreign References:
| JP2001288488A | 2001-10-16 | |||
| JP2011140607A | 2011-07-21 | |||
| JP2011012213A | 2011-01-20 | |||
| JP2006152304A | 2006-06-15 |
Other References:
See also references of EP 3109299A4
Attorney, Agent or Firm:
KINOSHITA & ASSOCIATES (JP)
Bottom intellectual property office of patent business corporation Tatsuyuki (JP)
Bottom intellectual property office of patent business corporation Tatsuyuki (JP)
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