Gas porous polymer filter and methods of making it

Details for Australian Patent Application No. 2004320325 (hide)

Owner 3M Innovative Properties Company

Inventors Buhler, Rich; Hughes, Douglass E.

Agent Hodgkinson McInnes

Pub. Number AU-A-2004320325

PCT Pub. Number WO2005/118108

Filing date 26 May 2004

Wipo publication date 15 December 2005

International Classifications

B01D 39/20 (2006.01) Filtering material for liquid or gaseous fluids - of inorganic material, e.g. asbestos paper or metallic filtering material of non-woven wires

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

B01J 20/28 (2006.01) Solid sorbent compositions - characterised by their form or physical properties

C02F 1/28 (2006.01) Treatment of water, waste water, or sewage - by sorption

Event Publications

4 January 2007 PCT application entered the National Phase

  PCT publication WO2005/118108 Priority application(s): WO2005/118108

24 December 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(d). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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