Polyolefin membrane with an integrally asymmetric structure and method for the production thereof

Details for Australian Patent Application No. 2003215533 (hide)

Owner MEMBRANA GMBH

Inventors Kessler, Erich; Batzilla, Thomas; Wechs, Friedbert; Wiese, Frank

Agent Spruson & Ferguson

Pub. Number AU-A-2003215533

PCT Number PCT/EP03/00084

PCT Pub. Number WO2003/061812

Priority 102 02 594.0 24.01.02 DE

Filing date 8 January 2003

Wipo publication date 2 September 2003

International Classifications

B01D 067/00 Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus

B01D 071/26 Semi-permeable membranes for separation processes or apparatus characterised by the material

B01D 069/02 Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties

B01D 069/08 Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties

B01D 053/22 Separation of gases or vapours - by diffusion

Event Publications

31 July 2003 Complete Application Filed

  Priority application(s): 102 02 594.0 24.01.02 DE

18 September 2003 Application Open to Public Inspection

  Published as AU-A-2003215533

29 June 2006 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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