(19)
(11) EP 2 906 732 A1

(12)

(43) Date of publication:
19.08.2015 Bulletin 2015/34

(21) Application number: 13844604.2

(22) Date of filing: 10.10.2013
(51) International Patent Classification (IPC): 
C22B 11/00(2006.01)
C22B 3/00(2006.01)
(86) International application number:
PCT/AU2013/001169
(87) International publication number:
WO 2014/056034 (17.04.2014 Gazette 2014/16)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 10.10.2012 AU 2012904432

(71) Applicants:
  • Osten, Karel, John
    North Perth, W.A. 6006 (AU)
  • Fleming C., Andrew
    Omemee, Ontario K0L 2W0 (CA)
  • Nolte, Mirco
    Tsumeb (NA)
  • Petkov, Konstantin, Vasilev
    Sofia 1404 (BG)

(72) Inventors:
  • Osten, Karel, John
    North Perth, W.A. 6006 (AU)
  • Fleming C., Andrew
    Omemee, Ontario K0L 2W0 (CA)
  • Nolte, Mirco
    Tsumeb (NA)
  • Petkov, Konstantin, Vasilev
    Sofia 1404 (BG)

(74) Representative: Callaghan, Dayle Anne 
Rouse IP Limited 11th Floor, Exchange Tower 1 Harbour Exchange Square
London E14 9GE
London E14 9GE (GB)

   


(54) GOLD RECOVERY FROM REFRACTORY ORES AND CONCENTRATES