(19)
(11)
EP 0 366 764 A1
(12)
(43)
Date of publication:
09.05.1990
Bulletin 1990/19
(21)
Application number:
89905452.0
(22)
Date of filing:
24.04.1989
(51)
International Patent Classification (IPC):
D21H
17/
37
( . )
D21H
17/
44
( . )
D21H
21/
10
( . )
D21H
23/
16
( . )
D21H
17/
45
( . )
(86)
International application number:
PCT/GB1989/000433
(87)
International publication number:
WO 1989/010447
(
02.11.1989
Gazette 1989/26)
(84)
Designated Contracting States:
BE DE FR GB IT NL SE
(30)
Priority:
22.04.1988
GB 19880009588
(71)
Applicant:
ALLIED COLLOIDS LIMITED
Bradford, West Yorkshire BD12 0JZ (GB)
(72)
Inventors:
LOWRY, Peter
Suffolk, VA 23433 (US)
FARRAR, David
West Yorkshire BD10 8UB (GB)
(74)
Representative:
Lawrence, Peter Robin Broughton, et al
GILL JENNINGS & EVERY, Broadgate House, 7 Eldon Street
London EC2M 7LH
London EC2M 7LH (GB)
(54)
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