(19)

(11)

EP 0 172 166 A1

(12)

(43) Date of publication: 26.02.1986 Bulletin 1986/09 (21) Application number: 84901130.0 (22) Date of filing: 03.02.1984

(51) International Patent Classification (IPC):  A61K 9/ 20( . ) A61K 38/ 46( . ) A61K 9/ 50( . ) A61K 38/ 54( . ) (86) International application number: PCT/US1984/000159 (87) International publication number: WO 1985/003438 (15.08.1985 Gazette 1985/18)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (71) Applicant: ADVANCED DRUG TECHNOLOGY CORPORATION Indianapolis, IN 46260 (US)	(72) Inventor: BILTON, Gerald, L. Zionsville, IN 46077 (US)