Improved retention and drainage in the manufacture of paper

Details for Australian Patent Application No. 2005333560 (hide)

Owner Hercules Incorporated

Inventors Harrington, John C.; Sutman, Frank J.; Zhang, Fushan

Agent Spruson & Ferguson

Pub. Number AU-A-2005333560

PCT Pub. Number WO2007/001470

Priority 11/313,579 21.12.05 US; 60/693,854 24.06.05 US

Filing date 22 December 2005

Wipo publication date 4 January 2007

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

10 January 2008 PCT application entered the National Phase

  PCT publication WO2007/001470 Priority application(s): WO2007/001470

17 December 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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