(19)
(11) EP 1 392 890 A1

(12)

(43) Date of publication:
03.03.2004 Bulletin 2004/10

(21) Application number: 02713941.9

(22) Date of filing: 10.04.2002
(51) International Patent Classification (IPC)7C25C 3/00, C25C 3/02, C25C 3/04, C25C 3/06, C25C 3/18
(86) International application number:
PCT/AU2002/000456
(87) International publication number:
WO 2002/083989 (24.10.2002 Gazette 2002/43)
(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: 10.04.2001 AU PR443901

(71) Applicant: BHP Billiton Innovation Pty Ltd
Melbourne,Victoria 3000 (AU)

(72) Inventors:
  • STREZOV, Les
    Adamstown, New South Wales 2289 (AU)
  • RATCHEV, Ivan
    Georgetown, New South Wales 2298 (AU)
  • OSBORN, Steve
    Valentine, New South Wales 2280 (AU)

(74) Representative: Jenkins, Peter David et al
PAGE WHITE & FARRER54 Doughty Street
London WC1N 2LS
London WC1N 2LS (GB)

   


(54) ELECTROLYTIC REDUCTION OF METAL OXIDES