High molecular weight cationic polymers obtained by post-polymerisation crosslinking reaction

Details for Australian Patent Application No. 2003253361 (hide)

Owner Ciba Speciality Chemicals Water Treatments Limited

Inventors Song, Zhiqiang

Agent Davies Collison Cave

Pub. Number AU-B-2003253361

PCT Number PCT/EP03/08426

PCT Pub. Number WO2004/018524

Priority 60/403,844 15.08.02 US; 60/473,735 28.05.03 US

Filing date 30 July 2003

Wipo publication date 11 March 2004

Acceptance publication date 19 February 2009

International Classifications

A61K 8/63 (2006.01) Cosmetics or similar toilet preparations

B01D 21/01 (2006.01) Separation of suspended solid particles from liquids by sedimentation - using flocculating agents

C08F 2/10 (2006.01) Processes

C08F 2/16 (2006.01) Processes

C08F 4/30 (2006.01) Polymerisation catalysts

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

C08F 8/44 (2006.01) Chemical modification by after-treatment

C08F 26/02 (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

C08F 26/04 (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 17/45 (2006.01) Non-fibrous material added to the pulp, characterised by its constitution

D21H 21/02 (2006.01) Non-fibrous material added to the pulp, characterised by its function, form or properties

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

30 October 2003 Complete Application Filed

  Priority application(s): 60/403,844 15.08.02 US; 60/473,735 28.05.03 US

22 April 2004 Application Open to Public Inspection

  Published as AU-B-2003253361

19 February 2009 Application Accepted

  Published as AU-B-2003253361

18 June 2009 Standard Patent Sealed

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