(19)

(11)

EP 0 175 705 A1

(12)

(43) Date of publication: 02.04.1986 Bulletin 1986/14 (21) Application number: 85901044.0 (22) Date of filing: 04.03.1985

(51) International Patent Classification (IPC):  A61K 38/ 00( . ) C07K 14/ 57( . ) (86) International application number: PCT/GB1985/000088 (87) International publication number: WO 1985/003948 (12.09.1985 Gazette 1985/20)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 02.03.1984 GB 19840005555 (71) Applicant: CELLTECH LIMITED Slough Berkshire SL1 4DY (GB)	(72) Inventor: REES, Ann, Dorothy, Mary Chiswick London W4 3BZ (GB) (74) Representative: Votier, Sidney David, et al  CARPMAELS & RANSFORD 43, Bloomsbury Square London WC1A 2RA London WC1A 2RA (GB)