Magnesium recycling and sulphur recovery in leaching of lateritic nickel ores

Details for Australian Patent Application No. 2009253864 (hide)

Owner Vale S.A.

Inventors Berni, Tiago Valentin; Pereira, Antonio Clareti; Tude, Joao Alberto de Lessa; Guimaraes, Felipe Hilario; Freitas, Lino Rodrigues de

Agent Spruson & Ferguson

Pub. Number AU-A-2009253864

PCT Pub. Number WO2009/146518

Priority 61/057,920 02.06.08 US

Filing date 2 June 2009

Wipo publication date 10 December 2009

International Classifications

C22B 3/06 (2006.01) Extraction of metal compounds from ores or concentrates by wet processes

C22B 3/20 (2006.01) Extraction of metal compounds from ores or concentrates by wet processes

C22B 23/06 (2006.01) Obtaining nickel or cobalt

Event Publications

10 November 2011 Section 223 Application Received

  Vale S.a. An application to extend the time from 02 Jan 2011 to 02 Sep 2011 in which to enter the National Phase has been filed . Address for service in Australia - Spruson & Ferguson Level 35 St Martins Tower 31 Market Street Sydney NSW 2000

12 January 2012 Section 223 Application Allowed

  Vale S.a. The time in which to enter the National Phase has been extended to 02 Sep 2011. Address for service in Australia - Spruson & Ferguson Level 35 St Martins Tower 31 Market Street Sydney NSW 2000 2011

19 January 2012 PCT application entered the National Phase

  PCT publication WO2009/146518 Priority application(s): WO2009/146518

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