(19)

(11)

EP 0 190 230 A1

(12)

(43) Date of publication: 13.08.1986 Bulletin 1986/33 (21) Application number: 85903796.0 (22) Date of filing: 01.08.1985

(51) International Patent Classification (IPC):  A01N 25/ 00( . ) (86) International application number: PCT/AU1985/000178 (87) International publication number: WO 1986/001076 (27.02.1986 Gazette 1986/05)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 02.08.1984 AU 19840006353 (71) Applicant: HOTCHIN, John Howard Geelong, VIC. 3221 (AU)	(72) Inventor: HOTCHIN, John Howard Geelong, VIC. 3221 (AU) (74) Representative: Arthur, Bryan Edward, et al  Withers & Rogers 4 Dyer's Buildings Holborn London EC1N 2JT London EC1N 2JT (GB)