(19)
(11) EP 1 235 791 A1

(12)

(43) Date of publication:
04.09.2002 Bulletin 2002/36

(21) Application number: 00982299.0

(22) Date of filing: 30.11.2000
(51) International Patent Classification (IPC)7: C07C 259/04, C07C 309/00
(86) International application number:
PCT/US0032/574
(87) International publication number:
WO 0104/0164 (07.06.2001 Gazette 2001/23)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 01.12.1999 HU 9904454 P

(71) Applicant: BIOGAL GYOGYSZERGYAR RT.
4042 Debrecen (HU)

(72) Inventors:
  • KERI, Vilmos
    H-4028 Debrecen (HU)
  • CZOVEK, Zoltan
    H-4031 Debrecen (HU)
  • MEZO, Attila
    H-4034 Debrecen (HU)

(74) Representative: Gallagher, Kirk James et al
D Young & Co,21 New Fetter Lane
London EC4A 1DA
London EC4A 1DA (GB)

   


(54) A MULTISTAGE PROCESS FOR THE PREPARATION OF HIGHLY PURE DEFEROXAMINE MESYLATE SALT