Processing elemental sulfur-bearing materials using high temperature pressure leaching for sulfuric acid production and metal recovery

Details for Australian Patent Application No. 2001278015 (hide)

Owner Phelps Dodge Corporation

Inventors Thompson, Philip; Hazen, Wayne W.; Robertson, Joanna M.; Brewer, Robert E.; Marsden, John O.; Baughman, David R.

Agent Griffith Hack

Pub. Number AU-B-2001278015

PCT Pub. Number WO02/08474

Priority 60220677 25.07.00 US

Filing date 25 July 2001

Wipo publication date 5 February 2002

Acceptance publication date 23 December 2004

International Classifications

C22B 003/08 Extraction of metal compounds from ores or concentrates by wet processes

Event Publications

23 December 2004 Application Accepted

  Published as AU-B-2001278015

21 April 2005 Standard Patent Sealed

3 December 2009 Amendment Made

  The nature of the amendment is: Amend the patentee name from Phelps Dodge Corporation to Freeport-McMoRan Corporation

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