Nanoporous ultrafine alpha-alumina powders and sol-gel process of preparing the same

Details for Australian Patent Application No. 2004228651 (hide)

International Classifications

Event Publications

6 October 2005 PCT application entered the National Phase

PCT publication WO2004/089827 Priority application(s): WO2004/089827

6 September 2007 Application Accepted

Published as AU-B-2004228651

31 January 2008 Standard Patent Sealed

25 October 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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