Method and composition for improving fiber quality and process efficiency in mechanical pulping

Details for Australian Patent Application No. 2007317407 (hide)

Owner Nalco Company

Inventors Duggirala, Prasad Y.; Shevchenko, Sergey M.

Agent Shelston IP

Pub. Number AU-A-2007317407

PCT Pub. Number WO2008/058003

Priority 11/556,259 03.11.06 US

Filing date 2 November 2007

Wipo publication date 15 May 2008

International Classifications

D21B 1/02 (1970.01) Fibrous raw materials or their mechanical treatment

D21C 3/02 (2006.01) Pulping cellulose-containing materials

D21C 3/04 (2006.01) Pulping cellulose-containing materials

D21C 3/20 (2006.01) Pulping cellulose-containing materials

Event Publications

28 May 2009 PCT application entered the National Phase

  PCT publication WO2008/058003 Priority application(s): WO2008/058003

4 November 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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