METHOD AND DEVICE FOR PRODUCING CARBON STEELS OR STAINLESS STEELS BY BLOWING HIGHPHOSPHORUS PIG IRON IN AN ELECTRIC ARC FURNACE OR IN A CONVERTER VESSEL

Details for Australian Patent Application No. 2003219007 (hide)

Owner SMS DEMAG AKTIENGESELLSCHAFT

Inventors MEIERLING, Peter; SCHNEIDER, KarlJosef; PETRY, Jochen; PLESCHIUTSCHNIGG, Fritz-Peter

Pub. Number AU-A-2003219007

PCT Number PCT/EP03/02135

PCT Pub. Number WO2003/085141

Priority 102 15 839.8 10.04.02 DE

Filing date 1 March 2003

Wipo publication date 20 October 2003

International Classifications

C21C 005/00 Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel

C21C 007/064 Treating molten ferrous alloys, e.g. steel, not covered by groups - Dephosphorising

F27B 003/08 Hearth-type furnaces, e.g. of reverberatory type - heated electrically, e.g. electric arc furnaces, with or without any other source of heat

C21C 005/42 Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel - Constructional features of converters

C21C 005/52 Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel

Event Publications

31 July 2003 Complete Application Filed

  Priority application(s): 102 15 839.8 10.04.02 DE

27 November 2003 Application Open to Public Inspection

  Published as AU-A-2003219007

6 January 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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