(19)

(11)

EP 0 367 773 A1

(12)

(43) Date of publication: 16.05.1990 Bulletin 1990/20 (21) Application number: 88905400.0 (22) Date of filing: 17.06.1988

(51) International Patent Classification (IPC):  A01G 7/ 06( . ) A01N 25/ 04( . ) A01N 57/ 18( . ) A01M 7/ 00( . ) A01N 25/ 10( . ) A01N 57/ 20( . ) (86) International application number: PCT/GB1988/000470 (87) International publication number: WO 1988/010069 (29.12.1988 Gazette 1988/28)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 17.06.1987 GB 19870014193 (71) Applicant: NOMIX MANUFACTURING COMPANY LIMITED Staple Hill Bristol BS16 4PS (GB)	(72) Inventor: GILL, David, Charles Keynsham Bristol BS16 2SG (GB) (74) Representative: Nash, David Allan, et al  Haseltine Lake & Co. 28 Southampton Buildings Chancery Lane London WC2A 1AT London WC2A 1AT (GB)