(19)
(11)
EP 0 290 457 A1
(12)
(43)
Date of publication:
17.11.1988
Bulletin 1988/46
(21)
Application number:
87900961.0
(22)
Date of filing:
12.01.1987
(51)
International Patent Classification (IPC):
C10M
129/
06
( . )
C10M
129/
26
( . )
C10M
129/
54
( . )
C10M
135/
10
( . )
C10M
137/
12
( . )
C10M
163/
00
( . )
C10N
10/
04
( . )
C10N
10/
10
( . )
C10N
10/
14
( . )
C10N
30/
00
( . )
F02B
3/
06
( . )
C10M
129/
10
( . )
C10M
129/
40
( . )
C10M
129/
58
( . )
C10M
135/
28
( . )
C10M
141/
00
( . )
C10N
10/
02
( . )
C10N
10/
08
( . )
C10N
10/
12
( . )
C10N
10/
16
( . )
C10N
40/
25
( . )
(86)
International application number:
PCT/US1987/000070
(87)
International publication number:
WO 1987/004454
(
30.07.1987
Gazette 1987/17)
(84)
Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE
(30)
Priority:
21.01.1986
US 19860820860
(71)
Applicant:
The Lubrizol Corporation
Wickliffe, Ohio 44092 (US)
(72)
Inventor:
RIPPLE, David, Eugene
Kirtland, OH 44094 (US)
(74)
Representative:
Crisp, David Norman, et al
D. YOUNG & CO. 21 New Fetter Lane
London EC4A 1DA
London EC4A 1DA (GB)
(54)
LUBRICANT COMPOSITION CONTAINING TRANSITION METALS FOR VISCOSITY CONTROL