| (19) |
 |
|
(11) |
EP 1 860 175 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
23.09.2009 Bulletin 2009/39 |
| (43) |
Date of publication A2: |
|
28.11.2007 Bulletin 2007/48 |
| (22) |
Date of filing: 22.05.2007 |
|
| (51) |
International Patent Classification (IPC):
|
|
| (84) |
Designated Contracting States: |
|
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO
SE SI SK TR |
|
Designated Extension States: |
|
AL BA HR MK RS |
| (30) |
Priority: |
23.05.2006 JP 2006143017
23.04.2007 JP 2007113319
|
| (71) |
Applicant: SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. |
|
2596 HR Den Haag (NL) |
|
| (72) |
Inventors: |
|
- Fujimaki, Yoshitomo
Tokyo Tokyo 135-8074 (JP)
- Mitsui, Hideaki
Tokyo Tokyo 135-8074 (JP)
|
| (74) |
Representative: Zeestraten, Albertus W. J. |
|
Shell International B.V.
Intellectual Property Services
P.O. Box 384
2501 CJ The Hague
2501 CJ The Hague (NL) |
|
| |
|
| (54) |
Lubricating oil composition |
(57) The present invention provides a lubricating oil composition comprising a base oil
made of synthetic oil and/or mineral oil, admixed with an antioxidant and a polymethacrylate
having a phosphate ester added to a terminal position.
In a further aspect the present invention provides the use of the lubricating oil
composition as a transmission oil, in particular as an automatic transmission oil.