Method for recovery of zinc by countercurrent leaching

Details for Australian Patent Application No. 2004215197 (hide)

Owner Outokumpu Technology Oy

Inventors Jarvinen, Aimo; Takala, Heikki; Lahtinen, Marko

Agent Griffith Hack

Pub. Number AU-B-2004215197

PCT Pub. Number WO2004/076698

Priority 20030285 26.02.03 FI

Filing date 24 February 2004

Wipo publication date 10 September 2004

Acceptance publication date 27 August 2009

International Classifications

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

Event Publications

11 August 2005 PCT application entered the National Phase

  PCT publication WO2004/076698 Priority application(s): WO2004/076698

27 August 2009 Application Accepted

  Published as AU-B-2004215197

24 December 2009 Standard Patent Sealed

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