Heap bioleaching process for the extraction of zinc

Details for Australian Patent Application No. 2002317121 (hide)

Owner Teck Cominco Metals Ltd.

Inventors Makwana, Dilipkumar D.; Ashman, Daniel W.; Stradling, Andrew W.; Lizama, Hector M.; HARLAMOVS, Juris, R.; Gonzalez dominguez, Jose Alberto

Agent Spruson & Ferguson

Pub. Number AU-B-2002317121

PCT Number PCT/CA02/01053

PCT Pub. Number WO2003/006696

Priority 2,353,002 13.07.01 CA

Filing date 10 July 2002

Wipo publication date 29 January 2003

Acceptance publication date 20 March 2008

International Classifications

C22B 3/18 (2006.01) Extraction of metal compounds from ores or concentrates by wet processes

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

Event Publications

9 January 2003 Complete Application Filed

  Priority application(s): 2,353,002 13.07.01 CA

22 May 2003 Application Open to Public Inspection

  Published as AU-B-2002317121

20 March 2008 Application Accepted

  Published as AU-B-2002317121

17 July 2008 Standard Patent Sealed

21 January 2010 Amendment Made

  The nature of the amendment is: Amend the Patentee Name from Teck Cominco Metals Ltd. to Teck Metals Ltd.

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