Global Patent Index - EP 1392890 A4

EP 1392890 A4 20041006 - ELECTROLYTIC REDUCTION OF METAL OXIDES

Title (en)

ELECTROLYTIC REDUCTION OF METAL OXIDES

Title (de)

ELEKTROLYTISCHE REDUKTION VON METALLOXIDEN

Title (fr)

REDUCTION ELECTROLYTIQUE D'OXYDES METALLIQUES

Publication

EP 1392890 A4 20041006 (EN)

Application

EP 02713941 A 20020410

Priority

  • AU 0200456 W 20020410
  • AU PR443901 A 20010410

Abstract (en)

[origin: WO02083989A1] A method of electrolytically reducing a metal oxide (such as aluminium and magnesium oxides) to produce a metal in an electrolytic cell is disclosed. The method includes electrolytically reducing the metal oxide in an electrolytic cell that includes a pool of molten metal, the metal being the metal of the metal oxide to be reduced, and the molten metal pool forming a cathode of the cell. The electrolytic cell also includes a pool of molten electrolyte in contact with the molten metal, the electrolyte containing alkali and/or alkaline earth halides. The electrolytic cell also includes an anode extending into the electrolyte and a body of metal oxide to reduced in contact with the molten metal and the electrolyte.

IPC 1-7

C25C 3/00; C25C 3/02; C25C 3/04; C25C 3/06; C25C 3/18

IPC 8 full level

C25C 7/00 (2006.01); C25C 3/00 (2006.01); C25C 3/04 (2006.01); C25C 3/06 (2006.01)

CPC (source: EP US)

C25C 3/00 (2013.01 - EP US); C25C 3/04 (2013.01 - EP US); C25C 3/06 (2013.01 - EP US)

Citation (search report)

  • No further relevant documents disclosed
  • See references of WO 02083989A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

DOCDB simple family (publication)

WO 02083989 A1 20021024; AU PR443901 A0 20010517; CA 2443953 A1 20021024; CN 1509346 A 20040630; EP 1392890 A1 20040303; EP 1392890 A4 20041006; JP 2004523662 A 20040805; NO 20034548 D0 20031009; NO 20034548 L 20031201; US 2004237710 A1 20041202; US 2008110764 A1 20080515; ZA 200307978 B 20040903

DOCDB simple family (application)

AU 0200456 W 20020410; AU PR443901 A 20010410; CA 2443953 A 20020410; CN 02810084 A 20020410; EP 02713941 A 20020410; JP 2002581721 A 20020410; NO 20034548 A 20031009; US 47474604 A 20040421; US 92480807 A 20071026; ZA 200307978 A 20031014