(19)
(11) EP 1 608 798 A2

(12)

(88) Date of publication A3:
12.05.2005

(43) Date of publication:
28.12.2005 Bulletin 2005/52

(21) Application number: 04712114.0

(22) Date of filing: 18.02.2004
(51) International Patent Classification (IPC)7C25C 3/18, C25C 3/12
(86) International application number:
PCT/IB2004/000431
(87) International publication number:
WO 2004/074549 (02.09.2004 Gazette 2004/36)
(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: 20.02.2003 WO PCT/IB03/00662

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

(72) Inventors:
  • DE NORA, Vittorio
    Nassau (BS)
  • NGUYEN, Thinh T.
    CH-1213 ONEX (CH)
  • DURUZ, Jean-Jacques
    CH-1204 GENEVA (CH)

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

   


(54) ALUMINIUM ELECTROWINNING CELLS WITH METAL-BASED ANODES