(19)

(11)

EP 1 051 070 A1

(12)

(43) Date of publication: 15.11.2000 Bulletin 2000/46 (21) Application number: 99934202.5 (22) Date of filing: 27.01.1999

(51) International Patent Classification (IPC)7: A01N 25/34, A01N 25/28, A01N 37/26 // (A01N37/26, 25:34, 25:28) (86) International application number: PCT/GB9900/282 (87) International publication number: WO 9939/577 (12.08.1999 Gazette 1999/32)

(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: 03.02.1998 US 17821 (71) Applicant: ZENECA LIMITED London W1Y 6LN (GB)

(72) Inventors: SCHER, Herbert Benson Richmond, CA 94804-4610 (US) OFFEMAN, Richard Dulin Richmond, CA 94804-4610 (US) DJAFAR, Roger Rachid Richmond, CA 94804-4610 (US) RODSON, Marius Richmond, CA 94804-4610 (US) (74) Representative: Ricks, Michael James et al Intellectual Property Department,ZENECA Agrochemicals,Jealotts Hill Research Station,P.O. Box 3538 Bracknell,Berkshire RG42 6YA Bracknell,Berkshire RG42 6YA (GB)