Method for extracting zinc from aqueous ammoniacal solutions

Details for Australian Patent Application No. 2009329821 (hide)

Owner MetaLeach Limited

Inventors Johnston, Garry Mervyn; Sutcliffe, Matthew Leslie; Welham, Nicholas James

Agent Wrays

Pub. Number AU-B-2009329821

PCT Pub. Number WO2010/071932

Priority 2008906664 24.12.08 AU

Filing date 22 December 2009

Wipo publication date 1 July 2010

Acceptance publication date 24 May 2012

International Classifications

C22B 3/26 (2006.01) Extraction of metal compounds from ores or concentrates by wet processes

B01D 11/00 (2006.01) Solvent extraction

C22B 3/16 (2006.01) Extraction of metal compounds from ores or concentrates by wet processes

C22B 19/00 (2006.01) Obtaining zinc or zinc oxide

C22B 19/20 (2006.01) Obtaining zinc or zinc oxide

Event Publications

16 June 2011 PCT application entered the National Phase

  PCT publication WO2010/071932 Priority application(s): WO2010/071932

24 May 2012 Application Accepted

  Published as AU-B-2009329821

20 September 2012 Standard Patent Sealed

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