Improved bacterial oxidation of sulphide ores and concentrates

Details for Australian Patent Application No. 2004297289 (hide)

Owner BIOHEAP Limited

Inventors Hunter, Colin John; Williams, Tamsin Lisa

Agent Wrays

Pub. Number AU-B-2004297289

PCT Pub. Number WO2005/056842

Priority 10/734,581 15.12.03 US

Filing date 18 November 2004

Wipo publication date 23 June 2005

Acceptance publication date 4 December 2008

International Classifications

C12N 1/20 (2006.01) Micro-organisms, e.g. protozoa - Bacteria

C12P 3/00 (2006.01) Preparation of elements or inorganic compounds except carbon dioxide

C12P 39/00 (2006.01) Processes involving micro-organisms of different genera in the same process, simultaneously

C22B 3/18 (2006.01) Extraction of metal compounds from ores or concentrates by wet processes

C22B 15/00 (2006.01) Obtaining copper

Event Publications

6 July 2006 PCT application entered the National Phase

  PCT publication WO2005/056842 Priority application(s): WO2005/056842

4 December 2008 Application Accepted

  Published as AU-B-2004297289

19 March 2009 Opposition Lodged

  BHP Billiton SA Limited has lodged an opposition against BIOHEAP Limited.

6 August 2009 Opposition Withdrawn

  The opposition by BHP Billiton SA Limited against BIOHEAP Limited has been withdrawn.

29 October 2009 Standard Patent Sealed

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