Title:
LUBRICATING OIL COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2014/030608
Kind Code:
A1
Abstract:
In the present invention, a lubricating oil composition is obtained by blending component (A), component (B) and component (C) in a base oil. (A) A dialkyl hydrogen phosphate, (B) a sulfur-based antioxidant, (C) a poly(alkenyl succinimide). This lubricating oil composition exhibits excellent lubricating properties with respect to both iron-based and copper-based metals and exhibits excellent thermal stability, and is therefore suitable for use in shock absorbers for vehicles and the like.
Inventors:
SAKANOUE SHUICHI (JP)
AOKI AYA (JP)
AOKI AYA (JP)
Application Number:
PCT/JP2013/072077
Publication Date:
February 27, 2014
Filing Date:
August 19, 2013
Export Citation:
Assignee:
IDEMITSU KOSAN CO (JP)
International Classes:
C10M169/04; C10M101/02; C10M133/16; C10M133/56; C10M135/24; C10M137/02; C10N30/06; C10N30/08; C10N40/06
Domestic Patent References:
| WO2008038667A1 | 2008-04-03 |
Foreign References:
| JP2008239775A | 2008-10-09 | |||
| JP2006523241A | 2006-10-12 | |||
| JPH02209843A | 1990-08-21 | |||
| JP2008133332A | 2008-06-12 | |||
| JP2003321695A | 2003-11-14 | |||
| JPH05255683A | 1993-10-05 | |||
| JP2000192067A | 2000-07-11 |
Other References:
See also references of EP 2886631A4
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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