(19)

(11)

EP 0 837 633 A1

(12)

(43) Date of publication: 29.04.1998 Bulletin 1998/18 (21) Application number: 96924824.0 (22) Date of filing: 01.07.1996

(51) International Patent Classification (IPC):  A01N 47/ 38( . ) (86) International application number: PCT/EP1996/002858 (87) International publication number: WO 1997/002748 (30.01.1997 Gazette 1997/06)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 10.07.1995 CH 19950002007 (71) Applicant: Novartis AG 4058 Basel (CH)	(72) Inventors: STREIBERT, Hans-Peter CH-4312 Magden (CH) BUHOLZER, Hubert CH-4153 Reinach (CH) JULMY, Markus CH-4058 Basle (CH) (74) Representative: Roth, Bernhard M., et al  Novartis AG Geistiges Eigentum Konzern Patent- und Markenabteilung CH Postfach 4002 Basel 4002 Basel (CH)