(19)
(11) EP 0 523 040 A1

(12)

(43) Date of publication:
20.01.1993 Bulletin 1993/03

(21) Application number: 90909476.0

(22) Date of filing: 29.06.1990
(51) International Patent Classification (IPC): 
A01H 4/ 00( . )
(86) International application number:
PCT/GB1990/001001
(87) International publication number:
WO 1991/015110 (17.10.1991 Gazette 1991/24)
(84) Designated Contracting States:
BE DE DK ES FR GB IT NL

(30) Priority: 05.04.1990 GB 19900007685

(71) Applicant: BRITISH TECHNOLOGY GROUP PLC
London SE1 6BU (GB)

(72) Inventors:
  • ALLARD, Jane Mary
    Canterbury, Kent CT2 7QY (GB)
  • BLAKE, Jennet
    Waltham, Nr. Canterbury TD4 7EU (GB)
  • GRIFFIN, David Peter
    Cambridge CB1 3EG (GB)
  • HUTCHINSON, Matthew
    Headingley, Leeds LS6 1DN (GB)

(74) Representative: Laight, Martin Harvey, et al 
W.H. Beck, Greener & Co. 7 Stone Buildings Lincoln's Inn
London WC2A 3SZ
London WC2A 3SZ (GB)

   


(54) METHODS AND APPARATUS RELATING TO MICROPROPAGATION