Title:
LUBRICATING OIL COMPOSITION FOR SHOCK ABSORBER
Document Type and Number:
WIPO Patent Application WO/2015/025977
Kind Code:
A1
Abstract:
This lubricating oil composition for shock absorbers comprises: (A) a mineral oil and/or a base oil comprising a synthetic oil; (B) a tertiary amine indicated by general formula (I); (C) a zinc dithiophosphate indicated by general formula (II); and (D) a phosphate ester amine salt. (In general formula (I), R1 and R2 each independently indicate are a C1-5 aliphatic hydrocarbon group and R3 is a C12-24 aliphatic hydrocarbon group.) (In general formula (II), R4-R7 are each independently selected from C1-24 alkyl and alkenyl groups.)
Inventors:
SAKANOUE SHUICHI (JP)
Application Number:
PCT/JP2014/072187
Publication Date:
February 26, 2015
Filing Date:
August 25, 2014
Export Citation:
Assignee:
IDEMITSU KOSAN CO (JP)
International Classes:
C10M141/10; C10M133/06; C10M137/08; C10M137/10; C10N30/04; C10N30/06; C10N40/06
Domestic Patent References:
| WO2009008327A1 | 2009-01-15 | |||
| WO2008038667A1 | 2008-04-03 | |||
| WO2008038667A1 | 2008-04-03 | |||
| WO2011037054A1 | 2011-03-31 |
Foreign References:
| JPH05255682A | 1993-10-05 | |||
| JPH05331478A | 1993-12-14 | |||
| JP2008214618A | 2008-09-18 | |||
| JPH05255683A | 1993-10-05 | |||
| JP2009013380A | 2009-01-22 |
Other References:
See also references of EP 3037507A4
Attorney, Agent or Firm:
OHTANI, Tamotsu (JP)
Tamotsu Otani (JP)
Tamotsu Otani (JP)
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