ECOFRIENDLY CATIONIC POLYELECTROLYTES

Details for Australian Patent Application No. 2003273393 (hide)

Owner STOCKHAUSEN GMBH AND CO. KG

Inventors FISCHER, Werner; REDLOF, Horst; STEINER, Norbert; HERTH, Gregor

Pub. Number AU-A-2003273393

PCT Number PCT/EP03/08428

PCT Pub. Number WO2004/020490

Priority 102 40 797.5 30.08.02 DE

Filing date 30 July 2003

Wipo publication date 19 March 2004

International Classifications

C08F 220/56 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 a salt, anhydride, ester, amide, imide, or nitrile thereof

C02F 011/00 Treatment of sludge

Event Publications

5 February 2004 Complete Application Filed

  Priority application(s): 102 40 797.5 30.08.02 DE

6 May 2004 Application Open to Public Inspection

  Published as AU-A-2003273393

14 July 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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