METHOD OF REMOVING HEAVY METALS AND SOLIDS BY COMPLEXING BIODEGRADABLE POLYELECTROLYTES (PECTIN AND CHITOSAN)

Details for Australian Patent Application No. 2003230443 (hide)

Owner UNIVERSIDAD AUTONOMA DE NUEVO LEON

Inventors AREVALO NINO, Katiushka; GALAN WONG, Luis J.; HERNANDEZ LUNA, Carlos Eduardo; SALAZAR ALPUCHE, Ruby Yarisol

Pub. Number AU-A-2003230443

PCT Number PCT/MX03/00044

PCT Pub. Number WO2003/099729

Priority NL/a/2002/000016 27.05.02 MX

Filing date 22 May 2003

Wipo publication date 12 December 2003

International Classifications

C02F 001/54 Treatment of water, waste water, or sewage - using organic material

Event Publications

14 August 2003 Complete Application Filed

  Priority application(s): NL/a/2002/000016 27.05.02 MX

5 February 2004 Application Open to Public Inspection

  Published as AU-A-2003230443

10 February 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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