(19)
(11) EP 1 620 576 A1

(12)

(43) Date of publication:
01.02.2006 Bulletin 2006/05

(21) Application number: 04713821.9

(22) Date of filing: 24.02.2004
(51) International Patent Classification (IPC): 
C22B 3/18(1990.01)
(86) International application number:
PCT/AU2004/000236
(87) International publication number:
WO 2004/081241 (23.09.2004 Gazette 2004/39)
(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

(30) Priority: 12.03.2003 AU 2003901105

(71) Applicant: Bioheap Limited
Northbridge, WA 6003 (AU)

(72) Inventors:
  • WILLIAMS, Tamsin, Lisa
    Maylands, Western Australia 6051 (AU)
  • HUNGER, Colin, John
    Floreat, Western Australia 6014 (AU)

(74) Representative: Green, Mark Charles et al
Urquhart-Dykes & Lord 30 Welbeck Street
GB-London W1G 8ER
GB-London W1G 8ER (GB)

   


(54) IMPROVED HEAP LEACH