(19)

(11)

EP 0 100 347 A1

(12)

(43) Date of publication: 15.02.1984 Bulletin 1984/07 (21) Application number: 83900721.0 (22) Date of filing: 01.02.1983

(51) International Patent Classification (IPC):  A01N 37/ 06( . ) A01N 47/ 30( . ) A01N 43/ 40( . ) A01N 57/ 20( . ) (86) International application number: PCT/GB1983/000025 (87) International publication number: WO 1983/002546 (04.08.1983 Gazette 1983/18)

(84) Designated Contracting States: DE FR (30) Priority: 02.02.1982 GB 19820002881 06.07.1982 GB 19820019466 (71) Applicant: Sampson, Michael James Norwich Norfolk NR2 2AE (GB)	(72) Inventor: Sampson, Michael James Norwich Norfolk NR2 2AE (GB)