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(11)

EP 0 636 135 A1

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(43) Date of publication: 01.02.1995 Bulletin 1995/05 (21) Application number: 92908257.0 (22) Date of filing: 17.04.1992

(51) International Patent Classification (IPC):  A01N 57/ 16( . ) C07F 9/ 6518( . ) A01N 57/ 24( . ) (86) International application number: PCT/JP1992/000485 (87) International publication number: WO 1992/019629 (12.11.1992 Gazette 1992/28)

(84) Designated Contracting States: CH DE FR GB IT LI (30) Priority: 27.04.1991 JP 19910125510 (71) Applicant: Japat Ltd CH-4057 Basel (CH)

(72) Inventors: MORI, Ichiro Ashiya-shi, Hyogo 652 (JP) IWASAKI, Genji Takarazuka-shi, Hyogo 652 (JP) SCHEIDEGGER, Alfred CH-6946 Ponte Capriasca (CH) KOIZUMI, Shinichi Takarazuka-shi, Hyogo 652 (JP) HAYAKAWA, Kenji Takarazuka-shi, Hyogo 652 (JP) MANO, Junichi Suita-shi, Osaka 530 (JP) (74) Representative: Hammann, Heinz, et al  CIBA-GEIGY AG, Patentabteilung, Klybeckstrasse141 CH-4002 Basel CH-4002 Basel (CH)