(19)

(11)

EP 1 001 681 A1

(12)

(43) Date of publication: 24.05.2000 Bulletin 2000/21 (21) Application number: 98942360.3 (22) Date of filing: 05.08.1998

(51) International Patent Classification (IPC)7: A01N 59/16, A01N 43/90 // A01N59:16, A01N43:90 (86) International application number: PCT/ZW9800/011 (87) International publication number: WO 9907/225 (18.02.1999 Gazette 1999/07)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 05.08.1997 ZA 9706951 18.12.1997 ZA 9711355 (71) Applicant: Cairns, Andrew Lawrence Patrick Pietermaritzburg, Kwazulu Natal Province (ZA)	(72) Inventor: Cairns, Andrew Lawrence Patrick Pietermaritzburg, Kwazulu Natal Province (ZA) (74) Representative: Bertrand, Didier et al c/o S.A. FEDIT-LORIOT & AUTRESCONSEILS EN PROPRIETE INDUSTRIELLE38, Avenue Hoche 75008 Paris 75008 Paris (FR)