(19)

(11)

EP 0 918 456 A1

(12)

(43) Date of publication: 02.06.1999 Bulletin 1999/22 (21) Application number: 97934137.0 (22) Date of filing: 15.07.1997

(51) International Patent Classification (IPC):  A01N 25/ 14( . ) A61K 9/ 20( . ) C11D 17/ 00( . ) A01N 25/ 34( . ) C11D 3/ 12( . ) (86) International application number: PCT/US1997/012183 (87) International publication number: WO 1998/003064 (29.01.1998 Gazette 1998/04)

(84) Designated Contracting States: AT BE DE ES FR GB IT NL (30) Priority: 23.07.1996 US 19960797517 07.07.1997 US 19970889185 (71) Applicant: FMC CORPORATION Philadelphia, PA 19103 (US)	(72) Inventor: SULLIVAN, Edward, K. Stanhope, NJ 07874 (US) (74) Representative: VOSSIUS & PARTNER  Siebertstrasse 4 81675 München 81675 München (DE)