(19)

(11)

EP 0 136 312 A1

(12)

(43) Date of publication: 10.04.1985 Bulletin 1985/15 (21) Application number: 84900868.0 (22) Date of filing: 27.02.1984

(51) International Patent Classification (IPC):  B01L 3/ 00( . ) B67C 11/ 02( . ) (86) International application number: PCT/GB1984/000059 (87) International publication number: WO 1984/003234 (30.08.1984 Gazette 1984/21)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 25.02.1983 GB 19830005337 (71) Applicant: BOOTS-CELLTECH DIAGNOSTICS LIMITED Slough Berkshire SL1 4ET (GB)	(72) Inventor: HUNTER, Michael, William Berkshire RG8 9QT (GB)