(19)

(11)

EP 0 263 123 A1

(12)

(43) Date of publication: 13.04.1988 Bulletin 1988/15 (21) Application number: 87901571.0 (22) Date of filing: 05.03.1987

(51) International Patent Classification (IPC):  B01D 57/ 02( . ) G01N 27/ 447( . ) (86) International application number: PCT/GB1987/000156 (87) International publication number: WO 1987/005230 (11.09.1987 Gazette 1987/20)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 05.03.1986 GB 19860005444 (71) Applicant: AUTOMATED MICROBIOLOGY SYSTEMS LIMITED Middlesex TW11 8TD (GB)	(72) Inventor: BLOCH, Philip, Lyle La Mesa, CA 92041 (US)