(19)

(11)

EP 0 225 878 A1

(12)

(43) Date of publication: 24.06.1987 Bulletin 1987/26 (21) Application number: 85904625.0 (22) Date of filing: 13.09.1985

(51) International Patent Classification (IPC):  A61K 38/ 46( . ) (86) International application number: PCT/EP1985/000467 (87) International publication number: WO 1986/001719 (27.03.1986 Gazette 1986/07)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 24.09.1984 LU 19840085552 (71) Applicant: ELECTROCHEMICAL INTERNATIONAL LIMITED St. Peter Port Guernsey Channel Islands (GB)	(72) Inventor: GUAZZOTTI, Livio I-10137 Torino (IT) (74) Representative: Bianchetti, Giuseppe  Studio Consulenza Brevettuale, Via Rossini, 8 I-20122 Milan I-20122 Milan (IT)