Tungstic acid powder consisting of spherical tungsten particles and method for producing same

Details for Australian Patent Application No. 2005243988 (hide)

Owner H. C. Starck GmbH

Inventors Reiss, Michael; Kutzler, Uwe; Olbrich, Armin; Schrumpf, Frank; Albrecht, Sven; Meese-Marktscheffel, Juliane

Agent Davies Collison Cave

Pub. Number AU-B-2005243988

PCT Pub. Number WO2005/110923

Priority 10 2004 023 068.4 11.05.04 DE

Filing date 28 April 2005

Wipo publication date 24 November 2005

Acceptance publication date 10 March 2011

International Classifications

C01G 41/02 (2006.01) Compounds of tungsten

C01G 41/00 (2006.01) Compounds of tungsten

C22B 34/36 (2006.01) Obtaining refractory metals

Event Publications

7 December 2006 PCT application entered the National Phase

  PCT publication WO2005/110923 Priority application(s): WO2005/110923

10 March 2011 Application Accepted

  Published as AU-B-2005243988

7 July 2011 Standard Patent Sealed

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