Process and plant for gas-based direct steelmaking

Details for Australian Patent Application No. 2006219757 (hide)

Owner Warner, N.

Inventors Warner, Noel

Agent Noel A. Warner

Pub. Number AU-A-2006219757

PCT Pub. Number WO2006/092549

Priority 0504260.1 02.03.05 GB

Filing date 31 January 2006

Wipo publication date 8 September 2006

International Classifications

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

C21B 13/00 (2006.01) Making spongy iron or liquid steel, by direct processes

F27B 3/04 (2006.01) Hearth-type furnaces, e.g. of reverberatory type

F27B 3/22 (2006.01) Hearth-type furnaces, e.g. of reverberatory type

F27D 7/02 (2006.01) Forming, maintaining, or circulating atmospheres in heating chambers

F27D 7/06 (2006.01) Forming, maintaining, or circulating atmospheres in heating chambers

Event Publications

18 October 2007 PCT application entered the National Phase

  PCT publication WO2006/092549 Priority application(s): WO2006/092549

22 October 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

1 September 2011 Section 223 Application Received

  Warner, N. An application to extend the time from 20 Sep 2009 to 20 Feb 2011 in which to request examination has been filed . Address for service in Australia - Noel Alfred Warner Dr Ronald K Warner 48 Kenilworth Place Carindale QLD 4152 2010

27 October 2011 Section 223 Application Allowed

  Warner, N. The time in which to request examination has been extended to 20 Feb 2011. Address for service in Australia - Noel Alfred Warner Dr Ronald K Warner 48 Kenilworth Place Carindale QLD 4152 2007

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