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(11)

EP 0 641 391 A1

(12)

(43) Date of publication: 08.03.1995 Bulletin 1995/10 (21) Application number: 93909987.0 (22) Date of filing: 12.05.1993

(51) International Patent Classification (IPC):  C12N 15/ 09( . ) C12Q 1/ 68( . ) (86) International application number: PCT/EP1993/001204 (87) International publication number: WO 1993/023563 (25.11.1993 Gazette 1993/28)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL (30) Priority: 12.05.1992 GB 19920010177 (71) Applicant: CEMU BIOTEKNIK AB S-752 37 Uppsala (SE)	(72) Inventors: UHLEN, Mathias S-752 39 Uppsala (SE) PETTERSSON, Bertil S-182 65 Djursholm (SE) (74) Representative: Dzieglewska, Hanna Eva, et al  Frank B. Dehn & Co. Imperial House 15-19 Kingsway London WC2B 6UZ London WC2B 6UZ (GB)