Improvement to silver and gold leaching method with thiourea solutions

Details for Australian Patent Application No. 2004274823 (hide)

Owner Universidad Autonoma Metropolitana

Inventors Gonzalez Martinez, Ignacio; Poisot Diaz, Maria Elena; Lopez Escutia, Maria Concepcion; Oropeza Guzman, Mercedes Teresita; Giron Bautista, Ita; Rodriguez Hernandez, Fernando; Lapidus Lavine, Gretchen Terri

Agent A.P.T. Patent and Trade Mark Attorneys

Pub. Number AU-A-2004274823

PCT Pub. Number WO2005/028687

Priority PA/a/2003/006955 04.08.03 MX

Filing date 30 July 2004

Wipo publication date 31 March 2005

International Classifications

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

C22B 11/00 (2006.01) Obtaining noble metals

Event Publications

30 March 2006 PCT application entered the National Phase

  PCT publication WO2005/028687 Priority application(s): WO2005/028687

24 February 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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