(19)

(11)

EP 1 042 309 A1

(12)

(43) Date of publication: 11.10.2000 Bulletin 2000/41 (21) Application number: 98965400.9 (22) Date of filing: 17.12.1998

(51) International Patent Classification (IPC)7: C07D 301/06, C07D 301/32 (86) International application number: PCT/US9826/817 (87) International publication number: WO 9932/470 (01.07.1999 Gazette 1999/26)

(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: 22.12.1997 GB 9727118 (71) Applicant: THE DOW CHEMICAL COMPANY Midland, Michigan 48674 (US)	(72) Inventors: LINDNER, Joerg D-21709 Himmelpforten (DE) TAEUBER, Wolfgang D-21726 Oldendorf (DE) WERTGEN, Hans-Juergen D-21709 Himmelpforten (DE) (74) Representative: Menzl, Anna et al Patentanwälte Schaad, Balass, Menzl & Partner AGDufourstrasse 101Postfach 8034 Zürich 8034 Zürich (CH)