(19)

(11)

EP 0 113 372 A1

(12)

(43) Date of publication: 18.07.1984 Bulletin 1984/29 (21) Application number: 83902115.0 (22) Date of filing: 13.07.1983

(51) International Patent Classification (IPC):  C07K 14/ 585( . ) C12N 15/ 71( . ) (86) International application number: PCT/GB1983/000172 (87) International publication number: WO 1984/000380 (02.02.1984 Gazette 1984/03)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 13.07.1982 GB 19820020343 (71) Applicant: CELLTECH LIMITED Slough Berkshire SL1 4DY (GB)	(72) Inventors: EMTAGE, John, Spencer High Wycombe Buckinghamshire (GB) HENTSCHEL, Christopher, Clive, Gabriel London W9 1AU (GB) STEPHENS, Paul, Edward Slough Berkshire (GB) (74) Representative: Votier, Sidney David, et al  CARPMAELS & RANSFORD 43, Bloomsbury Square London WC1A 2RA London WC1A 2RA (GB)