IMPROVED, HIGH YIELD BIOHEAP LEACHING OF CHALCOPYRITE COPPER ORES

Details for Australian Patent Application No. 2002233070 (hide)

Owner BHP BILLITON INNOVATION PTY LTD

Inventors LASTRA, Manuel, R.; BUDDEN, Julia, Rose

Pub. Number AU-A-2002233070

PCT Pub. Number WO2002/070758

Priority PR 3547 06.03.01 AU

Filing date 6 March 2002

Wipo publication date 19 September 2002

International Classifications

C22B 003/18 Extraction of metal compounds from ores or concentrates by wet processes

C22B 015/00 Obtaining copper

Event Publications

13 March 2003 Application Open to Public Inspection

  Published as AU-A-2002233070

12 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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