Method for the production of niobium and tantalum powder

Details for Australian Patent Application No. 2005237724 (hide)

Owner H.C.Starck Ltd. H. C. Starck GmbH

Inventors Bartmann, Ulrich; Haas, Helmut; Komeya, Tadashi; Sato, Nobuyuki

Agent Davies Collison Cave

Pub. Number AU-B-2005237724

PCT Pub. Number WO2005/105346

Priority 10 2004 020 052.1 23.04.04 DE

Filing date 9 April 2005

Wipo publication date 10 November 2005

Acceptance publication date 2 December 2010

International Classifications

C22B 5/12 (2006.01) General processes of reducing to metals

B22F 9/22 (2006.01) Making metallic powder or suspensions thereof

C22B 5/04 (2006.01) General processes of reducing to metals

C22B 34/24 (2006.01) Obtaining refractory metals

H01G 9/052 (2006.01) Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices

Event Publications

7 December 2006 PCT application entered the National Phase

  PCT publication WO2005/105346 Priority application(s): WO2005/105346

22 November 2007 Assignment before Grant

  H.C. Starck GmbH& Co.KG; H.C.Starck Ltd. The application has been assigned to H.C.Starck Ltd.; H. C. Starck GmbH

2 December 2010 Application Accepted

  Published as AU-B-2005237724

31 March 2011 Standard Patent Sealed

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