(19)

(11)

EP 0 665 774 A1

(12)

(43) Date of publication: 09.08.1995 Bulletin 1995/32 (21) Application number: 93923018.0 (22) Date of filing: 19.10.1993

(51) International Patent Classification (IPC):  A22C 25/ 04( . ) B07C 5/ 12( . ) B07C 5/ 10( . ) B07C 5/ 342( . ) (86) International application number: PCT/GB1993/002151 (87) International publication number: WO 1994/009920 (11.05.1994 Gazette 1994/11)

(84) Designated Contracting States: DK GB NL (30) Priority: 23.10.1992 GB 19920022338 (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) Inventor: STRACHAN, Norval James Colin Bridge of Don, Aberdeen AB23 8BL (GB) (74) Representative: Bowdery, Anthony Oliver, et al  Ministry of Defence (PE), D/IPR Room 2012, Empress State Building, Lilly Road London SW6 1TR London SW6 1TR (GB)