(19)
(11)
EP 0 486 585 A1
(12)
(43)
Date of publication:
27.05.1992
Bulletin 1992/22
(21)
Application number:
90912547.0
(22)
Date of filing:
13.08.1990
(51)
International Patent Classification (IPC):
A01N
1/
00
( . )
A23B
4/
08
( . )
A23G
9/
44
( . )
C07J
9/
00
( . )
G01N
33/
50
( . )
A01N
1/
02
( . )
A23G
9/
32
( . )
A23G
9/
52
( . )
C12N
5/
06
( . )
(86)
International application number:
PCT/GB1990/001269
(87)
International publication number:
WO 1991/001992
(
21.02.1991
Gazette 1991/05)
(84)
Designated Contracting States:
AT BE CH DE DK ES FR GB IT LI LU NL SE
(30)
Priority:
11.08.1989
GB 19890018370
(71)
Applicant:
CELL SYSTEMS LIMITED
Cambridge CB4 4WY (GB)
(72)
Inventor:
GROUT, Brian, William, Wilson 1 Bethel Cottage
Cambridgeshire CB6 2EJ (GB)
(74)
Representative:
Sheard, Andrew Gregory
Kilburn & Strode 30, John Street
London WC1N 2DD
London WC1N 2DD (GB)
(54)
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