(19)
(11) EP 1 567 692 A1

(12)

(43) Date of publication:
31.08.2005 Bulletin 2005/35

(21) Application number: 03775701.0

(22) Date of filing: 03.12.2003
(51) International Patent Classification (IPC)7C25C 3/12
(86) International application number:
PCT/IB2003/005713
(87) International publication number:
WO 2004/050956 (17.06.2004 Gazette 2004/25)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 03.12.2002 WO PCT/IB02/05112

(71) Applicant: MOLTECH Invent S.A.
1520 Luxembourg (LU)

(72) Inventors:
  • DURUZ, Jean-Jacques
    CH-1204 GENEVA (CH)
  • DE NORA, Vittorio
    none NASSAU (BS)

(74) Representative: Cronin, Brian Harold John 
c/o Moltech S.A., Quai du Mont-Blanc 21
1201 Geneva
1201 Geneva (CH)

   


(54) A METHOD OF CONDITIONING IRON ALLOY-BASED ANODES FOR ALUMINIUM ELECTROWINNING CELLS