Membrane module elements

Details for Australian Patent Application No. 2004241934 (hide)

Owner 3M Innovative Properties Company

Inventors Hester, Jonathan F.; Mrozinski, James S.; Nelson, James M.; Spiewak, Brian E.

Agent Davies Collison Cave

Pub. Number AU-A-2004241934

PCT Pub. Number WO2004/103536

Priority 10/437,799 14.05.03 US

Filing date 12 March 2004

Wipo publication date 2 December 2004

International Classifications

B01D 069/10 Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties

C02F 003/10 Biological treatment of water, waste water, or sewage - Packings

B32B 003/30 Layered products essentially comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form - characterised by a layer formed with recesses or projections, e.g. grooved, ribbed

C02F 003/20 Biological treatment of water, waste water, or sewage - using diffusers

B32B 027/12 Layered products essentially comprising synthetic resin - next to a fibrous or filamentary layer

C02F 003/12 Biological treatment of water, waste water, or sewage - Activated sludge processes

Event Publications

1 December 2005 PCT application entered the National Phase

  PCT publication WO2004/103536 Priority application(s): WO2004/103536

29 November 2007 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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