Atmospheric pressure leach process for lateritic nickel ore

Details for Australian Patent Application No. 2003209829 (hide)

Owner QNI Technology Pty Ltd

Inventors Neudorf, David; Lewis, Coralie Adele; Gillaspie, James D; Liu, Houyuan; Barnett, Steven

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-B-2003209829

PCT Number PCT/AU03/00309

PCT Pub. Number WO2003/093517

Priority PS 2019 29.04.02 AU

Filing date 14 March 2003

Wipo publication date 17 November 2003

Acceptance publication date 22 February 2007

International Classifications

C22B 23/00 (2006.01) Obtaining nickel or cobalt

C22B 3/04 (2006.01) Extraction of metal compounds from ores or concentrates by wet processes

C22B 3/08 (2006.01) Extraction of metal compounds from ores or concentrates by wet processes

C22B 3/44 (2006.01) Extraction of metal compounds from ores or concentrates by wet processes

Event Publications

17 July 2003 Complete Application Filed

  Priority application(s): PS 2019 29.04.02 AU

8 January 2004 Application Open to Public Inspection

  Published as AU-B-2003209829

22 February 2007 Application Accepted

  Published as AU-B-2003209829

21 June 2007 Standard Patent Sealed

10 March 2011 Assignment Registered

  QNI Technology Pty Ltd The patent has been assigned to BHP Billiton SSM Development Pty Ltd

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