(19)

(11)

EP 1 027 402 A1

(12)

(43) Date of publication: 16.08.2000 Bulletin 2000/33 (21) Application number: 98916723.4 (22) Date of filing: 21.04.1998

(51) International Patent Classification (IPC)7: C09K 17/22, C09K 17/48, A01G 31/00 (86) International application number: PCT/CA9800/374 (87) International publication number: WO 9849/252 (05.11.1998 Gazette 1998/44)

(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: 25.04.1997 US 45104 P (71) Applicant: 1340911 Ontario Inc. Hamilton,Ontario L8M 1N4 (CA)	(72) Inventors: WILLIAMS, Kenneth, Roger Landenberg, PA 19350 (US) CONWAY, Marlene, Elizabeth Grimsby, Ontario L5M 3K9 (CA) (74) Representative: Müller, Hans-Jürgen, Dipl.-Ing.  Müller, Schupfner & GaugerPostfach 10 11 61 80085 München 80085 München (DE)