Method for producing hollow yarn film

Details for Australian Patent Application No. 2002236221 (hide)

Owner Asahi Kasei Kabushiki Kaisha

Inventors Hamanaka, Katsuhiko; Shimizu, Tetsuo

Agent Watermark

Pub. Number AU-B-2002236221

PCT Pub. Number WO2002/070115

Priority 2001-62532 06.03.01 JP; 2002-1006 08.01.02 JP

Filing date 5 March 2002

Wipo publication date 19 September 2002

Acceptance publication date 23 September 2004

International Classifications

B01D 071/34 Semi-permeable membranes for separation processes or apparatus characterised by the material

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

D01F 006/48 Monocomponent artificial filaments or the like of synthetic polymers

D01D 005/24 Formation of filaments, threads, or the like

Event Publications

13 March 2003 Application Open to Public Inspection

  Published as AU-B-2002236221

23 September 2004 Application Accepted

  Published as AU-B-2002236221

20 January 2005 Assignment before Grant

  Asahi Kasei Kabushiki Kaisha The application has been assigned to Asahi Kasei Chemicals Corporation

20 January 2005 Standard Patent Sealed

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