(19)

(11)

EP 0 040 224 A1

(12)

(43) Date of publication: 25.11.1981 Bulletin 1981/47 (21) Application number: 80902222.0 (22) Date of filing: 19.11.1980

(51) International Patent Classification (IPC):  G01N 33/ 00( . ) G01N 33/ 537( . ) G01N 33/ 536( . ) G01N 33/ 543( . ) (86) International application number: PCT/AU1980/000090 (87) International publication number: WO 1981/001414 (28.05.1981 Gazette 1981/13)

(84) Designated Contracting States: DE FR GB NL SE (30) Priority: 19.11.1979 AU 19790001374 (71) Applicant: THE PRINCE CHARLES HOSPITAL DEVELOPMENT CENTRE TRUST Chermside, Qld. 4032 (AU)	(72) Inventor: DUFFY, Patrick Taigum, Qld. 4034 (AU) (74) Representative: Hands, Horace Geoffrey, et al  GEORGE FUERY & CO Whitehall Chambers 23 Colmore Row Birmingham B3 2BL Birmingham B3 2BL (GB)