Improvements in solvent extraction processes for metal recovery

Details for Australian Patent Application No. 2002330990 (hide)

Owner Cognis Corporation

Inventors Fisher, G. Timothy; Virnig, Michael J.

Agent Watermark

Pub. Number AU-B-2002330990

PCT Number PCT/US02/24797

PCT Pub. Number WO2003/014422

Priority 09/924,000 07.08.01 US

Filing date 6 August 2002

Wipo publication date 24 February 2003

Acceptance publication date 5 July 2007

International Classifications

C22B 15/14 (2006.01) Obtaining copper

C22B 3/02 (2006.01) Extraction of metal compounds from ores or concentrates by wet processes

C22B 3/26 (2006.01) Extraction of metal compounds from ores or concentrates by wet processes

C22B 15/00 (2006.01) Obtaining copper

Event Publications

6 February 2003 Complete Application Filed

  Priority application(s): 09/924,000 07.08.01 US

19 June 2003 Application Open to Public Inspection

  Published as AU-B-2002330990

5 July 2007 Application Accepted

  Published as AU-B-2002330990

1 November 2007 Standard Patent Sealed

8 January 2009 Assignment Registered

  Cognis Corporation The patent has been assigned to Cognis IP Management GmbH

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