A water-soluble polymer dispersion and a method of producing a water-soluble polymer dispersion

Details for Australian Patent Application No. 2003232705 (hide)

Owner Akzo Nobel N.V.

Inventors Ruppelt, Dirk; Struck, Oliver; Przybyla, Christian; Jaeger, Werner; Hahn, Mathias

Agent Griffith Hack

Pub. Number AU-B-2003232705

PCT Number PCT/SE03/00793

PCT Pub. Number WO2003/097703

Priority 102 21 585.5 15.05.02 DE; 102 21 584.7 15.05.02 DE

Filing date 15 May 2003

Wipo publication date 2 December 2003

Acceptance publication date 23 August 2007

International Classifications

C08L 33/00 (2006.01) Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof

C08F 2/10 (2006.01) Processes

C08F 290/06 (2006.01) Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups

C08L 71/02 (2006.01) Compositions of polyethers obtained by reactions forming an ether link in the main chain

C02F 1/56 (2006.01) Treatment of water, waste water, or sewage

C02F 11/14 (2006.01) Treatment of sludge - with addition of chemical agents

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

28 August 2003 Complete Application Filed

  Priority application(s): 102 21 585.5 15.05.02 DE; 102 21 584.7 15.05.02 DE

29 January 2004 Application Open to Public Inspection

  Published as AU-B-2003232705

23 August 2007 Application Accepted

  Published as AU-B-2003232705

20 December 2007 Standard Patent Sealed

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