Improved beneficiation process for concentration/calcination of zinc silicate ores and minerals

Details for Australian Patent Application No. 2002221360 (hide)

International Classifications

Event Publications

6 February 2003 Application Open to Public Inspection

Published as AU-B-2002221360

8 February 2007 Change of Name(s) of Applicant(s), Section 104

Companhia Mineira De Metais The name of the applicant has been changed to Votorantim Metais Zinco S.A.

8 March 2007 Application Accepted

Published as AU-B-2002221360

5 July 2007 Standard Patent Sealed

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