A PROCESS FOR OBTAINING A CELLULOSIC WET SHEET AND A MEMBRANE THE EQUIPMENT USED TO OBTAIN THE MEMBRANE AND THE MEMBRANE OBTAINED.

Details for Australian Patent Application No. 2003283089 (hide)

Owner LEVY, Nelson, Luiz, Ferreira

Inventors LEVY, Nelson, Luiz, Ferreira; KUROKAWA, Edna, Cristina; PODLECH, Pablo, Angel, Sanchez

Pub. Number AU-A-2003283089

PCT Number PCT/BR2003/0001

PCT Pub. Number WO2004/050986

Priority PI 0205499-0 05.12.02 BR

Filing date 26 November 2003

Wipo publication date 23 June 2004

International Classifications

D21C 005/00 Other processes for obtaining cellulose, e.g. cooking cotton linters

C08L 001/02 Compositions of polysaccharides or of their derivatives

C12P 019/04 Preparation of compounds containing saccharide radicals

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

B01D 069/00 Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties

Event Publications

25 March 2004 Complete Application Filed

  Priority application(s): PI 0205499-0 05.12.02 BR

29 July 2004 Application Open to Public Inspection

  Published as AU-A-2003283089

25 August 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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