(19)
(11) EP 0 453 507 A1

(12)

(43) Date of publication:
30.10.1991 Bulletin 1991/44

(21) Application number: 90902777.0

(22) Date of filing: 15.01.1990
(51) International Patent Classification (IPC): 
C07D 295/ 10( . )
A61K 31/ 16( . )
A61K 51/ 00( . )
C07C 259/ 06( . )
C07D 211/ 16( . )
C07D 211/ 92( . )
C07D 295/ 22( . )
C09K 3/ 00( . )
A61K 31/ 13( . )
A61K 31/ 18( . )
A61P 39/ 02( . )
C07C 309/ 14( . )
C07D 211/ 46( . )
C07D 211/ 96( . )
C07F 9/ 38( . )
(86) International application number:
PCT/EP1990/000078
(87) International publication number:
WO 1990/008134 (26.07.1990 Gazette 1990/17)
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB IT LI LU NL SE

(30) Priority: 13.01.1989 GB 19890000732

(71) Applicants:
  • COCKBAIN, Julian Roderick Michaelson
    London W11 3PD (GB)
  • NYCOMED AS
    N-0401 Oslo 4 (NO)

(72) Inventors:
  • ALM N, Torsten
    S-217 74 Malmö (SE)
  • BERG, Arne
    N-1310 Blommenholm (NO)
  • KLAVENESS, Jo
    N-0276 Oslo 2 (NO)
  • RONGVED, P l
    N-1457 Hellvik (NO)

(74) Representative: Cockbain, Julian, Dr., et al 
Frank B. Dehn & Co. Imperial House 15-19 Kingsway
London WC2B 6UZ
London WC2B 6UZ (GB)

   


(54) CHELATING AGENT DERIVATIVES