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(11)

EP 0 542 872 A1

(12)

(43) Date of publication: 26.05.1993 Bulletin 1993/21 (21) Application number: 91915235.0 (22) Date of filing: 02.08.1991

(51) International Patent Classification (IPC):  A01N 43/ 56( . ) C07D 231/ 18( . ) C07D 403/ 04( . ) C07D 409/ 12( . ) C07D 417/ 04( . ) A01N 43/ 84( . ) C07D 401/ 12( . ) C07D 409/ 04( . ) C07D 413/ 04( . ) (86) International application number: PCT/US1991/005530 (87) International publication number: WO 1992/002509 (20.02.1992 Gazette 1992/05)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU NL SE (30) Priority: 06.08.1990 US 19900563479 29.07.1991 US 19910735091 (71) Applicant: MONSANTO COMPANY St. Louis Missouri 63167 (US)

(72) Inventors: MISCHKE, Deborah, Aileen Defiance, MO 63341 (US) HAMPER, Bruce, Cameron Kirkwood, MO 63122 (US) WOODARD, Scott, Santford Ballwin, MO 63021 (US) MOEDRITZER, Kurt Webster Groves, MO 63119 (US) ROGERS, Michael, David Maryland Heights, MO 63043 (US) DUTRA, Gerard, Anthony St. Louis, MO 63141 (US) (74) Representative: Bosch, Henry, et al  Monsanto Services International S.A. Patent Department Avenue de Tervuren 270/272 Letter Box No. 21 B-1150 Brussels B-1150 Brussels (BE)