Sieve tray column and process for recovery of metal value

Details for Australian Patent Application No. 2002233583 (hide)

Owner WINTLE, Roger, Harvey

Inventors Wintle, Roger Harvey

Agent Wrays

Pub. Number AU-A-2002233583

PCT Pub. Number WO2002/066691

Priority 2001/1491 22.02.01 ZA

Filing date 20 February 2002

Wipo publication date 4 September 2002

International Classifications

C22B 003/24 Extraction of metal compounds from ores or concentrates by wet processes

B01D 003/22 Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping

B01D 003/32 Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping

C22B 003/02 Extraction of metal compounds from ores or concentrates by wet processes

Event Publications

27 February 2003 Application Open to Public Inspection

  Published as AU-A-2002233583

18 October 2007 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(d). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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