(19)
(11)
EP 0 551 466 A1
(12)
(43)
Date of publication:
21.07.1993
Bulletin 1993/29
(21)
Application number:
92915925.0
(22)
Date of filing:
15.07.1992
(51)
International Patent Classification (IPC):
C10M
( . )
C08K
3/
40
( . )
C08K
7/
14
( . )
C10M
129/
38
( . )
C10M
129/
92
( . )
C10M
137/
02
( . )
C10M
137/
10
( . )
C10M
159/
20
( . )
C10N
10/
02
( . )
C10N
10/
06
( . )
C10N
10/
12
( . )
C10N
10/
16
( . )
C10N
40/
08
( . )
C10N
40/
25
( . )
C08K
3/
04
( . )
C08K
7/
06
( . )
C08L
71/
12
( . )
C10M
129/
68
( . )
C10M
129/
95
( . )
C10M
137/
04
( . )
C10M
141/
10
( . )
C10M
163/
00
( . )
C10N
10/
04
( . )
C10N
10/
08
( . )
C10N
10/
14
( . )
C10N
30/
00
( . )
C10N
40/
20
( . )
(86)
International application number:
PCT/US1992/005928
(87)
International publication number:
WO 1993/003121
(
18.02.1993
Gazette 1993/05)
(84)
Designated Contracting States:
AT BE CH DE DK ES FR GB GR IT LI LU MC NL SE
(30)
Priority:
31.07.1991
US 19910739017
(71)
Applicant:
THE LUBRIZOL CORPORATION
Wickliffe, Ohio 44092-2298 (US)
(72)
Inventors:
COOPER, Timothy
Chagrin Falls, OH 44022 (US)
VINCI, James, Noel
Mayfield Heights, OH 44124 (US)
(74)
Representative:
Vossius, Volker, Dr., et al
Dr. Volker Vossius, Patentanwaltskanzlei - Rechtsanwaltskanzlei, Holbeinstrasse 5
D-81679 München
D-81679 München (DE)
(54)
IMPROVED LUBRICATING COMPOSITIONS AND ADDITIVES USEFUL THEREIN