(19)

(11)

EP 1 102 545 A1

(12)

(43) Date of publication: 30.05.2001 Bulletin 2001/22 (21) Application number: 98938424.3 (22) Date of filing: 05.08.1998

(51) International Patent Classification (IPC)7: A23K 1/00, C12H 1/00, C07C 35/21 (86) International application number: PCT/US9816/393 (87) International publication number: WO 0007/458 (17.02.2000 Gazette 2000/07)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (71) Applicant: KEMIN INDUSTRIES, INC. Des Moines, IA 50301-0070 (US)	(72) Inventors: SAS, Benedikt B-2360 Ovd-Turnhout (BE) ADAMS, Clifford B-2600 Antwerp (BE) (74) Representative: Thomas, Philip John Duval et al Eric Potter Clarkson,Park View House,58 The Ropewalk Nottingham NG1 5DD Nottingham NG1 5DD (GB)