Modified vinylamine-containing polymers as additives in papermaking

Details for Australian Patent Application No. 2008282777 (hide)

Owner Hercules Incorporated

Inventors Gu, Qu-Ming; Riehle, Richard J.; McKay, Jonathan M.

Agent Spruson & Ferguson

Pub. Number AU-A-2008282777

PCT Pub. Number WO2009/017781

Priority 60/963,064 02.08.07 US

Filing date 31 July 2008

Wipo publication date 5 February 2009

International Classifications

C08F 8/00 (2006.01) Chemical modification by after-treatment

C08F 26/00 (2006.01) Homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen

D21H 17/33 (2006.01) Non-fibrous material added to the pulp, characterised by its constitution

Event Publications

4 March 2010 PCT application entered the National Phase

  PCT publication WO2009/017781 Priority application(s): WO2009/017781

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