Improved retention and drainage in the manufacture of paper

Details for Australian Patent Application No. 2005333563 (hide)

Owner Hercules Incorporated

Inventors Gelman, Robert A.; Doherty, Erin A. S.

Agent Spruson & Ferguson

Pub. Number AU-A-2005333563

PCT Pub. Number WO2007/001473

Priority 60/693,852 24.06.05 US; 11/313,505 21.12.05 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

13 December 2007 PCT application entered the National Phase

  PCT publication WO2007/001473 Priority application(s): WO2007/001473

3 November 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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