Purification of electrochemically deoxidised refractory metal particles by heat processing

Details for Australian Patent Application No. 2003271852 (hide)

Owner Metalysis Limited

Inventors Ward-Close, Charles Malcolm; Goodwin, Paul Stephen; Godfrey, Alastair Bryan

Agent Davies Collison Cave

Pub. Number AU-B-2003271852

PCT Number PCT/GB03/04093

PCT Pub. Number WO2004/029332

Priority 0222348.5 26.09.02 GB; 0222219.8 25.09.02 GB; 0222358.4 26.09.02 GB

Filing date 24 September 2003

Wipo publication date 19 April 2004

Acceptance publication date 11 March 2010

International Classifications

C22B 34/12 (2006.01) Obtaining refractory metals

B22F 3/18 (2006.01) Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering

B22F 5/00 (2006.01) Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product

C22B 9/14 (2006.01) General processes of refining or remelting of metals

C22B 9/22 (2006.01) General processes of refining or remelting of metals

C25C 3/28 (2006.01) Electrolytic production, recovery or refining of metals by electrolysis of melts

Event Publications

22 January 2004 Complete Application Filed

  Priority application(s): 0222348.5 26.09.02 GB; 0222219.8 25.09.02 GB; 0222358.4 26.09.02 GB

20 May 2004 Application Open to Public Inspection

  Published as AU-B-2003271852

14 September 2006 Assignment before Grant

  QinetiQ Limited The application has been assigned to Metalysis Limited

11 March 2010 Application Accepted

  Published as AU-B-2003271852

8 July 2010 Standard Patent Sealed

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