Powdery, water-soluble cationic polymer compositions, method for the production and use thereof

Details for Australian Patent Application No. 2004270328 (hide)

Owner Ashland Licensing and Intellectual Property, LLC.

Inventors Kubiak, Bernd; Benghozi, Eric; Herth, Gregor; Steiner, Norbert

Agent Callinan

Pub. Number AU-B-2004270328

PCT Pub. Number WO2005/023885

Priority 103 37 764.6 14.08.03 DE

Filing date 28 May 2004

Wipo publication date 17 March 2005

Acceptance publication date 27 August 2009

International Classifications

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

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

C08F 2/00 (2006.01) Processes

C08F 265/06 (2006.01) Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group

C08F 265/10 (2006.01) Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group

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

Event Publications

16 February 2006 PCT application entered the National Phase

  PCT publication WO2005/023885 Priority application(s): WO2005/023885

11 January 2007 Assignment before Grant

  Stockhausen GmbH The application has been assigned to Stockhausen GmbH

27 August 2009 Application Accepted

  Published as AU-B-2004270328

24 December 2009 Standard Patent Sealed

23 December 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

Legal

The information provided by the Site not in the nature of legal or other professional advice. The information provided by the Site is derived from third parties and may contain errors. You must make your own enquiries and seek independent advice from the relevant industry professionals before acting or relying on any information contained herein. Check the above data against the Australian Patent Office AUSPAT database.

Next and Previous Patents/Applications

2004270341-Pesticides

2004270327-Powdery, water-soluble cationic polymer composition, method for the production and use thereof