Method for reducing CR from CRcontaining metallurgical slags

Details for Australian Patent Application No. 2005245678 (hide)

Owner Holcim Technology Ltd.

Inventors Tschudin, Markus

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-B-2005245678

PCT Pub. Number WO2005/113840

Priority GM 367/2004 18.05.04 AT

Filing date 18 May 2005

Wipo publication date 1 December 2005

Acceptance publication date 30 September 2010

International Classifications

C21B 3/04 (2006.01) General features in the manufacture of pig-iron

C21C 5/00 (2006.01) Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel

C21C 5/35 (2006.01) Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel

C21C 5/36 (2006.01) Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel

C21C 5/54 (2006.01) Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel

C21C 7/00 (2006.01) Treating molten ferrous alloys, e.g. steel, not covered by groups

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

C22B 7/04 (2006.01) Working-up raw materials other than ores, e.g. scrap, to produce non-ferrous metals or compounds thereof - Working-up slag

C22B 34/32 (2006.01) Obtaining refractory metals

Event Publications

16 November 2006 PCT application entered the National Phase

  PCT publication WO2005/113840 Priority application(s): WO2005/113840

31 July 2008 Assignment before Grant

  Holcim Ltd. The application has been assigned to Holcim Technology Ltd.

3 September 2009 Amendment Made

  The nature of the amendment is: Amend the invention title to read Method for reducing CR from CR-containing metallurgical slags

30 September 2010 Application Accepted

  Published as AU-B-2005245678

27 January 2011 Standard Patent Sealed

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