(19)

(11)

EP 1 109 452 A2

(12)

(88) Date of publication A3: 16.11.2000 (43) Date of publication: 27.06.2001 Bulletin 2001/26 (21) Application number: 99968601.7 (22) Date of filing: 31.08.1999

(51) International Patent Classification (IPC)7: A01N 37/36, A01N 37/10, A01N 37/02, A01N 59/00 (86) International application number: PCT/US9919/987 (87) International publication number: WO 0013/506 (16.03.2000 Gazette 2000/11)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 03.09.1998 US 146947 (71) Applicant: ALCIDE CORPORATION Redmond, WA 98052 (US)	(72) Inventor: KROSS, Robert, D. Bellmore, NY 11710 (US) (74) Representative: Gowshall, Jonathan Vallance  FORRESTER & BOEHMERTFranz-Joseph-Strasse 38 80801 München 80801 München (DE)