Removal of substances from metal and semi-metal compounds

Details for Australian Patent Application No. 2003206431 (hide)

Owner Cambridge University Technical Services Limited

Inventors Chen, Zheng; Farthing, Thomas William; Fray, Derek John

Agent Pizzeys

Pub. Number AU-A-2003206431

Parent 758931

Filing date 2 July 2003

Wipo publication date 24 July 2003

International Classifications

C22B 034/12 Obtaining refractory metals

C22B 005/00 General processes of reducing to metals

C22B 004/00 Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys

C25F 001/16 Electrolytic cleaning, degreasing, pickling, or descaling

C23C 008/40 Solid state diffusion into metallic material surfaces

Event Publications

17 July 2003 Complete Application Filed

24 July 2003 Application Open to Public Inspection

  Published as AU-A-2003206431

14 September 2006 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(e). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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