(19)

(11)

EP 0 612 213 A1

(12)

(43) Date of publication: 31.08.1994 Bulletin 1994/35 (21) Application number: 92923266.0 (22) Date of filing: 30.10.1992

(51) International Patent Classification (IPC):  A01N 33/ 18( . ) A01N 35/ 02( . ) A01N 37/ 10( . ) A01N 37/ 24( . ) A01N 43/ 50( . ) A01N 43/ 707( . ) A01N 47/ 30( . ) A01N 57/ 20( . ) A01N 33/ 20( . ) A01N 35/ 06( . ) A01N 37/ 22( . ) A01N 43/ 42( . ) A01N 43/ 653( . ) A01N 43/ 90( . ) A01N 47/ 36( . ) (86) International application number: PCT/EP1992/002535 (87) International publication number: WO 1993/008689 (13.05.1993 Gazette 1993/12)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 05.11.1991 DE 19914136740 (71) Applicant: SCHERING AKTIENGESELLSCHAFT D-13342 Berlin (DE)	(72) Inventors: JOHANN, Gerhard D-1000 Berlin 28 (DE) REES, Richard D-1000 Berlin 28 (DE)