(19)
(11) EP 2 864 510 A1

(12)

(43) Date of publication:
29.04.2015 Bulletin 2015/18

(21) Application number: 13809302.6

(22) Date of filing: 20.06.2013
(51) International Patent Classification (IPC): 
C22B 3/04(2006.01)
C22B 19/20(2006.01)
C22B 3/14(2006.01)
C22B 19/32(2006.01)
(86) International application number:
PCT/AU2013/000661
(87) International publication number:
WO 2014/000021 (03.01.2014 Gazette 2014/01)
(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: 26.06.2012 AU 2012902708
28.03.2013 AU 2013202214

(71) Applicant: Metaleach Limited
Tortola 1110 (VG)

(72) Inventors:
  • SUTCLIFFE, Matthew Leslie
    Greater London SW1 V4EB England (GB)
  • WELHAM, Nicholas James
    Ballarat, Victoria 3350 (AU)
  • JOHNSTON, Garry Mervyn
    Claremont, Western Australia 6010 (AU)

(74) Representative: O'Connell, Maura et al
FRKelly 27 Clyde Road Ballsbridge
Dublin 4
Dublin 4 (IE)

   


(54) METHOD FOR LEACHING ZINC SILICATE ORES