Aqueous silica-containing composition and process for production of paper

Details for Australian Patent Application No. 2002359218 (hide)

Owner Akzo Nobel N.V.

Inventors Johansson-Vestin, Hans; Nordin, Jan; Nyander, Johan

Agent Griffith Hack

Pub. Number AU-B-2002359218

PCT Number PCT/SE02/02444

PCT Pub. Number WO2003/056099

Priority 01850224.5 21.12.01 EP

Filing date 20 December 2002

Wipo publication date 15 July 2003

Acceptance publication date 8 December 2005

International Classifications

D21H 017/68 Non-fibrous material added to the pulp, characterised by its constitution

D21H 021/10 Non-fibrous material added to the pulp, characterised by its function, form or properties - Retention agents or drainage improvers

Event Publications

3 April 2003 Complete Application Filed

  Priority application(s): 01850224.5 21.12.01 EP

4 September 2003 Application Open to Public Inspection

  Published as AU-B-2002359218

8 December 2005 Application Accepted

  Published as AU-B-2002359218

6 April 2006 Standard Patent Sealed

17 July 2008 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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