Improved retention and drainage in the manufacture of paper

Details for Australian Patent Application No. 2005322032 (hide)

Owner Hercules Incorporated

Inventors Sutman, Frank J.; Zhang, Fushan

Agent Spruson & Ferguson

Pub. Number AU-A-2005322032

PCT Pub. Number WO2006/071853

Priority 60/640,166 29.12.04 US; 60/694,059 24.06.05 US; 60/694,057 24.06.05 US; 11/313,503 21.12.05 US; 60/640,163 29.12.04 US; 60/639,897 29.12.04 US

Filing date 22 December 2005

Wipo publication date 6 July 2006

International Classifications

D21H 21/10 (2006.01) Non-fibrous material added to the pulp, characterised by its function, form or properties - Retention agents or drainage improvers

Event Publications

19 July 2007 PCT application entered the National Phase

  PCT publication WO2006/071853 Priority application(s): WO2006/071853

18 November 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(e). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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