(19)
(11) EP 2 300 372 A1

(12)

(43) Date of publication:
30.03.2011 Bulletin 2011/13

(21) Application number: 09733588.9

(22) Date of filing: 16.04.2009
(51) International Patent Classification (IPC): 
C01G 53/04(2006.01)
C01G 51/04(2006.01)
C22B 23/00(2006.01)
C22B 5/12(2006.01)
 C01B 13/18(2006.01)
C22B 1/14(2006.01)
C22B 5/10(2006.01)
(86) International application number:
PCT/CA2009/000489
(87) International publication number:
WO 2009/127053 (22.10.2009 Gazette 2009/43)
(84) Designated Contracting States:
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 SE SI SK TR
Designated Extension States:
AL BA RS

(30) Priority: 16.04.2008 US 45309
16.04.2008 US 45311

(71) Applicant: Vale Inco Limited
200 Bay Street Royal Bank Plaza Suite 1600 South Tower P.O. Box 70 Toronto, Ontario M5J 2K2 (CA)

(72) Inventors:
  • OSBORNE, Geoffrey Edwin
    Stoney Creek Ontario L8E 5J8 (CA)
  • VAHED, Ahmed
    Oakville Ontario L6H 0A8 (CA)
  • MARCUSON, Samuel Walton
    Mississauga Ontario L5K 2M1 (CA)

(74) Representative: Hirsch & Associés 
58, avenue Marceau
75008 Paris
75008 Paris (FR)

   


(54) PROCESS FOR PRODUCTION OF NICKEL AND COBALT USING METAL HYDROXIDE, METAL OXIDE AND/OR METAL CARBONATE