(19)

(11)

EP 0 181 351 A1

(12)

(43) Date of publication: 21.05.1986 Bulletin 1986/21 (21) Application number: 85901941.0 (22) Date of filing: 08.05.1985

(51) International Patent Classification (IPC):  A61F 2/ 02( . ) A61K 35/ 12( . ) A61K 31/ 14( . ) A61K 45/ 06( . ) (86) International application number: PCT/AU1985/000101 (87) International publication number: WO 1985/005031 (21.11.1985 Gazette 1985/25)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 09.05.1984 AU 19840004895 (71) Applicant: THE AUSTRALIAN NATIONAL UNIVERSITY Acton, Australian Capital Territory 2601 (AU)	(72) Inventors: NINHAM, Barry, William Cook, ACT 2614 (AU) BLANDEN, Robert, Vincent Curtin, ACT 2605 (AU) ASHMAN, Robert, Brian Shenton Park, W.A. 6008 (AU) (74) Representative: Holmes, Michael John, et al  Frank B. Dehn & Co. Imperial House 15-19 Kingsway London WC2B 6UZ London WC2B 6UZ (GB)