(19)

(11)

EP 0 539 379 A1

(12)

(43) Date of publication: 05.05.1993 Bulletin 1993/18 (21) Application number: 91908695.0 (22) Date of filing: 29.04.1991

(51) International Patent Classification (IPC):  B05B 1/ 34( . ) G01N 1/ 31( . ) G01N 33/ 533( . ) G01N 1/ 30( . ) G01N 33/ 53( . ) G01N 35/ 04( . ) (86) International application number: PCT/AU1991/000170 (87) International publication number: WO 1992/001919 (06.02.1992 Gazette 1992/04)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU NL SE (30) Priority: 18.07.1990 AU 19900001231 (71) Applicant: AUSTRALIAN BIOMEDICAL CORPORATION LIMITED Mount Waverley, VIC 3149 (AU)	(72) Inventors: HEALEY, Kevin Essendon, VIC 3040 (AU) BAXTER, Graham, Leslie Fairfield, VIC 3078 (AU) (74) Representative: Findlay, Alice Rosemary  Lloyd Wise, Tregear & Co. Norman House 105-109 Strand London WC2R 0AE London WC2R 0AE (GB)