(19)

(11)

EP 0 203 933 A1

(12)

(43) Date of publication: 10.12.1986 Bulletin 1986/50 (21) Application number: 85904844.0 (22) Date of filing: 27.09.1985

(51) International Patent Classification (IPC):  A61K 31/ 54( . ) (86) International application number: PCT/GB1985/000444 (87) International publication number: WO 1986/002003 (10.04.1986 Gazette 1986/08)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 28.09.1984 GB 19840024518 (71) Applicants: ED. GEISTLICH SÖHNE AG FÜR CHEMISCHE INDUSTRIE CH-6110 Wolhusen Lucerne (CH) HOLMES, Michael John London SW1 6NN (GB)	(72) Inventor: PFIRRMANN, Rolf, Wilhelm CH-6006 Lucerne (CH) (74) Representative: Holmes, Michael John, et al  Frank B. Dehn & Co. Imperial House 15-19 Kingsway London WC2B 6UZ London WC2B 6UZ (GB)