METHOD FOR RECOVERING USEFUL ELEMENT FROM RARE EARTH - TRANSITION METAL ALLOY SCRAP

Details for Australian Patent Application No. 2003221047 (hide)

Owner SANTOKU CORPORATION

Inventors OHRAI, Hiroshi; YOKOI, Hideo

Pub. Number AU-A-2003221047

PCT Number PCT/JP03/03238

PCT Pub. Number WO2003/078671

Priority 2002-76054 19.03.02 JP

Filing date 18 March 2003

Wipo publication date 29 September 2003

International Classifications

C22B 059/00 Obtaining rare earth metals

C22B 003/00 Extraction of metal compounds from ores or concentrates by wet processes

C22B 003/04 Extraction of metal compounds from ores or concentrates by wet processes

C22B 003/44 Extraction of metal compounds from ores or concentrates by wet processes

C22B 007/00 Working-up raw materials other than ores, e.g. scrap, to produce non-ferrous metals or compounds thereof

C01F 017/00 Compounds of the rare-earth metals, i.e. scandium, yttrium, lanthanum, or the group of the lanthanides

C01G 051/00 Compounds of cobalt

Event Publications

7 August 2003 Complete Application Filed

  Priority application(s): 2002-76054 19.03.02 JP

6 November 2003 Application Open to Public Inspection

  Published as AU-A-2003221047

9 December 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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