Method and apparatus for practicing carbonaceous-based metallurgy

Details for Australian Patent Application No. 2002242294 (hide)

Owner Calderon Energy Company of Bowling Green, Inc.

Inventors Calderon, Albert; Laubis, Terry James

Agent Shelston IP

Pub. Number AU-B-2002242294

PCT Pub. Number WO2002/075002

Priority 09/808,963 16.03.01 US

Filing date 28 February 2002

Wipo publication date 3 October 2002

Acceptance publication date 17 May 2007

International Classifications

C22B 5/10 (2006.01) General processes of reducing to metals

C21B 13/06 (2006.01) Making spongy iron or liquid steel, by direct processes

C21B 13/14 (2006.01) Making spongy iron or liquid steel, by direct processes - Multi-stage processes

C21C 5/56 (2006.01) Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel

C22B 1/244 (2006.01) Preliminary treatment of ores or scrap

Event Publications

27 March 2003 Application Open to Public Inspection

  Published as AU-B-2002242294

17 May 2007 Application Accepted

  Published as AU-B-2002242294

14 June 2007 Application for Amendment

  The nature of the amendment is as shown in the statement(s) filed 18 May 2007. Address for service in Australia - Shelston IP Level 21 60 Margaret Street Sydney NSW 2000

27 September 2007 Amendment Made

  The nature of the amendment is as shown in the statement(s) filed 18 May 2007

4 October 2007 Standard Patent Sealed

24 September 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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