METHOD FOR RECYCLING CONVERTER DUST TO ROTARY HEARTH REDUCING FURNACE

Details for Australian Patent Application No. 2003213329 (hide)

Owner NIPPON STEEL CORPORATION

Inventors TAKAHASHI, Shigeki; TAKAHASHI, Masaharu; IBARAKI, Tetsuharu; ODA, Hiroshi; ABE, Yoichi

Pub. Number AU-A-2003213329

PCT Number PCT/JP03/02950

PCT Pub. Number WO2004/081240

Filing date 12 March 2003

Wipo publication date 30 September 2004

International Classifications

C22B 001/16 Preliminary treatment of ores or scrap - Sintering

C22B 007/02 Working-up raw materials other than ores, e.g. scrap, to produce non-ferrous metals or compounds thereof - Working-up flue dust

C21B 013/08 Making spongy iron or liquid steel, by direct processes

Event Publications

24 July 2003 Complete Application Filed

4 November 2004 Application Open to Public Inspection

  Published as AU-A-2003213329

1 December 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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