(19)

(11)

EP 0 656 066 A1

(12)

(43) Date of publication: 07.06.1995 Bulletin 1995/23 (21) Application number: 93919459.0 (22) Date of filing: 20.08.1993

(51) International Patent Classification (IPC):  C07H 15/ 203( . ) C12Q 1/ 10( . ) G01N 33/ 00( . ) C12Q 1/ 04( . ) C12Q 1/ 34( . ) G01N 33/ 02( . ) (86) International application number: PCT/GB1993/001778 (87) International publication number: WO 1994/004705 (03.03.1994 Gazette 1994/06)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI NL PT SE (30) Priority: 21.08.1992 GB 19920017843 10.09.1992 GB 19920019150 (71) Applicant: THE MINISTER OF AGRICULTURE, FISHERIES AND FOOD IN HER BRITANNIC MAJESTY'S GOVERNMENT OF THE UNITED KINGDOM OF GREAT BRITAIN London SW1A 2HH (GB)	(72) Inventors: STRACHAN, Norval James Colin Bridge of Don, Aberdeen (GB) OGDEN, Iain Derek Banchory, Kincardineshire AB31 3AS (GB) (74) Representative: Lockwood, Peter Brian, et al  Directorate of Intellectual Property Rights Procurement Executive Ministry of Defence Room 2121 Empress State Building Lillie Road London SW6 1TR London SW6 1TR (GB)