Method for separating hafnium from zirconium

Details for Australian Patent Application No. 2003200243 (hide)

Owner ATI Properties, Inc.

Inventors Perrine, Jeff G.; Sommers, James A.

Agent Griffith Hack

Pub. Number AU-B-2003200243

Priority 10/059680 29.01.02 US

Filing date 28 January 2003

Wipo publication date 14 August 2003

Acceptance publication date 24 January 2008

International Classifications

B01D 11/04 (2006.01) Solvent extraction - of solutions which are liquid

C01G 25/00 (2006.01) Compounds of zirconium

C01G 27/00 (2006.01) Compounds of hafnium

C22B 3/26 (2006.01) Extraction of metal compounds from ores or concentrates by wet processes

C22B 34/14 (2006.01) Obtaining refractory metals

Event Publications

13 February 2003 Complete Application Filed

  Priority application(s): 10/059680 29.01.02 US

14 August 2003 Application Open to Public Inspection

  Published as AU-B-2003200243

1 December 2005 Amendment Made

  The nature of the amendment is as shown in the statement(s) filed 16 Nov 2005

1 December 2005 Corrigenda

  Complete Applications Filed - Name Index Under the name ATI Properties, Inc., Application No. 2003200243, under INID (54) correct the title to read Method for separating hafnium from zirconium

24 January 2008 Application Accepted

  Published as AU-B-2003200243

3 April 2008 Application for Amendment

  The nature of the amendment is as shown in the statement(s) filed 12 Feb 2008. Address for service in Australia - Griffith Hack Level 3 509 St Kilda Road Melbourne VIC 3004

22 May 2008 Standard Patent Sealed

4 September 2008 Amendment Made

  The nature of the amendment is as shown in the statement(s) filed 12 Feb 2008

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