Improved retention and drainage in the manufacture of paper

Details for Australian Patent Application No. 2005322256 (hide)

Owner Hercules Incorporated

Inventors Harrington, John C.; Gelman, Robert A.; Sutman, Frank J.

Agent Spruson & Ferguson

Pub. Number AU-A-2005322256

PCT Pub. Number WO2006/071633

Priority 11/313,506 21.12.05 US; 60/640,167 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 Amendment Made

  The nature of the amendment is: Amend priority details from 60/640,167 29 Dec 2004 US to 60/640,164 29 Dec 2004 US 2005322518 Becker Underwood Inc. The nature of the amendment is as shown in the statement(s) filed 07 Jun 2007

19 July 2007 PCT application entered the National Phase

  PCT publication WO2006/071633 Priority application(s): WO2006/071633

9 April 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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