HIGH STRENGTH HOT ROLLED STEEL SHEET EXCELLING IN BORE EXPANDABILITY AND DUCTILITY AND PROCESS FOR PRODUCING THE SAME

Details for Australian Patent Application No. 2003292718 (hide)

Owner NIPPON STEEL CORPORATION

Inventors OKAMOTO, Riki; TANIGUCHI, Hirokazu; FUKUDA, Masashi

Pub. Number AU-A-2003292718

PCT Number PCT/JP2003/0170

PCT Pub. Number WO2004/085691

Priority 2003-79543 24.03.03 JP

Filing date 26 December 2003

Wipo publication date 18 October 2004

International Classifications

C22C 038/00 Ferrous alloys, e.g. steel alloys

C21D 009/46 Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles - for sheet metals

C22C 038/14 Ferrous alloys, e.g. steel alloys - containing titanium or zirconium

C22C 038/16 Ferrous alloys, e.g. steel alloys - containing copper

Event Publications

22 April 2004 Complete Application Filed

  Priority application(s): 2003-79543 24.03.03 JP

18 November 2004 Application Open to Public Inspection

  Published as AU-A-2003292718

8 December 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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