| (19) |
 |
|
(11) |
EP 0 711 822 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
26.03.1997 Bulletin 1997/13 |
| (43) |
Date of publication A2: |
|
15.05.1996 Bulletin 1996/20 |
| (22) |
Date of filing: 06.11.1995 |
|
| (51) |
International Patent Classification (IPC)6: C10M 141/10
// (C10M141/10, 129:32, 129:40, 133:06, 133:16, 137:02, 137:04, 137:08), C10N30:06 |
|
| (84) |
Designated Contracting States: |
|
AT BE CH DE DK ES FR GB GR IE IT LI LU NL PT SE |
| (30) |
Priority: |
09.11.1994 JP 275185/94
|
| (71) |
Applicant: SHELL INTERNATIONALE RESEARCH
MAATSCHAPPIJ B.V. |
|
NL-2596 HR Den Haag (NL) |
|
| (72) |
Inventors: |
|
- Aoki, Nobuhiro
Yonago-shi,
Tottori-ken (JP)
- Baba, Yoshiharu
Hatano-shi,
Kanagawa-ken (JP)
|
|
| |
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| (54) |
Lubricating oil composition |
(57) Lubricating oil compositions for use in lubricating the slideway of a machine tool
or injection moulding machine.
The lubricating oil composition comprises (a) a base oil, (b) one or more friction
reducing agents preferably selected from phosphoric acid esters or their alkyl ammonium
salts, phosphorous acid esters and fatty acids, and (c) one or more linear alkyl amines.
Preferably, the amount of the friction reducing agent(s) (b) is 0.05 to 10.0% by weight
based on the amount of the base oil (a) and the amount of the linear alkyl amine(s)
(c) is 0.1 to 20.0% by weight based on the amount of the friction reducing agent(s)
(b).