Method for preparing hydrophilic polyethersulfone membrane

Details for Australian Patent Application No. 2005295777 (hide)

Owner 3M Innovative Properties Company

Inventors Mezhirov, Michael S.; Yeh, Eshan B.; Sale, Richard

Agent Hodgkinson McInnes

Pub. Number AU-A-2005295777

PCT Pub. Number WO2006/044463

Priority 60/618,522 13.10.04 US

Filing date 13 October 2005

Wipo publication date 27 April 2006

International Classifications

B01D 67/00 (2006.01) Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus

B01D 69/02 (2006.01) Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties

B01D 71/68 (2006.01) Semi-permeable membranes for separation processes or apparatus characterised by the material

Event Publications

3 May 2007 PCT application entered the National Phase

  PCT publication WO2006/044463 Priority application(s): WO2006/044463

19 November 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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