Controllable filler prefloculation using a dual polymer system

Details for Australian Patent Application No. 2010241896 (hide)

Owner Nalco Company

Inventors Cheng, Weiguo; Gray, Ross T.

Agent Baldwins

Pub. Number AU-A-2010241896

PCT Pub. Number WO2010/126712

Priority 12/431,356 28.04.09 US

Filing date 14 April 2010

Wipo publication date 4 November 2010

International Classifications

D21H 17/67 (2006.01) Non-fibrous material added to the pulp, characterised by its constitution

D21H 17/68 (2006.01) Non-fibrous material added to the pulp, characterised by its constitution

D21H 17/69 (2006.01) Non-fibrous material added to the pulp, characterised by its constitution

D21H 21/10 (2006.01) Non-fibrous material added to the pulp, characterised by its function, form or properties - Retention agents or drainage improvers

D21H 21/18 (2006.01) Non-fibrous material added to the pulp, characterised by its function, form or properties

Event Publications

6 October 2011 Amendment Made

  The nature of the amendment is: Amend the invention title to read Controllable filler prefloculation using a dual polymer system

13 October 2011 PCT application entered the National Phase

  PCT publication WO2010/126712 Priority application(s): WO2010/126712

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