Broad spectrum filter system including tungsten-based impregnant and being useful for filtering contaminants from air or other gases

Details for Australian Patent Application No. 2004255543 (hide)

Owner 3M Innovative Properties Company

Inventors Brey, Larry A.; Weagle, Glenn E.; Smith, Simon J.

Agent Davies Collison Cave

Pub. Number AU-B-2004255543

PCT Pub. Number WO2005/005020

Priority 10/606,548 26.06.03 US

Filing date 27 May 2004

Wipo publication date 20 January 2005

Acceptance publication date 26 March 2009

International Classifications

B01D 53/04 (2006.01) Separation of gases or vapours - with stationary adsorbents

B01D 53/38 (2006.01) Separation of gases or vapours - Removing components of undefined structure

B01J 20/20 (2006.01) Solid sorbent compositions - comprising free carbon

B01J 20/32 (2006.01) Solid sorbent compositions

Event Publications

19 January 2006 PCT application entered the National Phase

  PCT publication WO2005/005020 Priority application(s): WO2005/005020

26 March 2009 Application Accepted

  Published as AU-B-2004255543

23 July 2009 Standard Patent Sealed

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