Owner Kabushiki Kaisha Kobe Seiko Sho

Inventors Tanaka, Hidetoshi; Uemura, Hiroshi; Sugitatsu, Hiroshi; Harada, Takao; Miyahara, Itsuo; Kobayashi, Isao

Agent FB Rice

Pub. Number AU-B-2003261814

PCT Number PCT/JP03/11003

PCT Pub. Number WO2004/033730

Priority 2002/294830 08.10.02 JP

Filing date 29 August 2003

Wipo publication date 4 May 2004

Acceptance publication date 22 January 2009

C01G 23/04 (2006.01) Compounds of titanium

C21B 5/02 (2006.01) Making pig-iron in the blast furnace - Making special pig-iron, e.g. by applying additives, e.g. oxides of other metals

C21B 11/08 (2006.01) Making pig-iron other than in blast furnaces

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

C21B 13/10 (2006.01) Making spongy iron or liquid steel, by direct processes

C21B 13/14 (2006.01) Making spongy iron or liquid steel, by direct processes - Multi-stage processes

C21B 15/02 (2006.01) Other processes for the manufacture of iron from iron compounds

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

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 34/12 (2006.01) Obtaining refractory metals

F27B 9/02 (2006.01) Furnaces through which the charge is moved mechanically, e.g. of tunnel type