Solvent extraction process

Details for Australian Patent Application No. 2003258054 (hide)

Owner Cognis Corporation

Inventors Kordosky, Gary A.; Hein Steiger, Hans

Agent Watermark

Pub. Number AU-B-2003258054

PCT Number PCT/US03/24430

PCT Pub. Number WO2004/022604

Priority 10/631,299 31.07.03 US; 60/408,169 03.09.02 US

Filing date 6 August 2003

Wipo publication date 29 March 2004

Acceptance publication date 13 November 2008

International Classifications

C22B 3/04 (2006.01) Extraction of metal compounds from ores or concentrates by wet processes

C08F 2/00 (2006.01) Processes

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

13 November 2003 Complete Application Filed

  Priority application(s): 10/631,299 31.07.03 US; 60/408,169 03.09.02 US

13 May 2004 Application Open to Public Inspection

  Published as AU-B-2003258054

13 November 2008 Application Accepted

  Published as AU-B-2003258054

8 January 2009 Assignment before Grant

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

12 March 2009 Standard Patent Sealed

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