Use of polyvinylamine to improved oil and water sizing in cellulosic products

Details for Australian Patent Application No. 2007249809 (hide)

Owner Hercules Incorporated

Inventors Taggart, Thomas E.; Barton, Dennis W.

Agent Spruson & Ferguson

Pub. Number AU-A-2007249809

PCT Pub. Number WO2007/133729

Priority 11/433,365 12.05.06 US

Filing date 11 May 2007

Wipo publication date 22 November 2007

International Classifications

D21H 21/16 (2006.01) Non-fibrous material added to the pulp, characterised by its function, form or properties

Event Publications

27 November 2008 PCT application entered the National Phase

  PCT publication WO2007/133729 Priority application(s): WO2007/133729

24 June 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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