ZINC POWDER OR ZINC ALLOY POWDER HAVING AN INHOMOGENEOUS BULK DENSITY FOR USE IN ALKALINE BATTERIES

Details for Australian Patent Application No. 2003303182 (hide)

Owner GRILLO-WERKE AG

Inventors MELZER, Armin; MERKEL, Petra; SPRIESTERSBACH, Jochen; KUBE, Rudi; SCHULZ, Norbert

Pub. Number AU-A-2003303182

PCT Number PCT/EP2003/0134

PCT Pub. Number WO2004/056507

Priority 02028828.8 21.12.02 EP

Filing date 28 November 2003

Wipo publication date 14 July 2004

International Classifications

B22F 001/00 Special treatment of metallic powder, e.g. to facilitate working, to improve properties

H01M 004/24 Electrodes - Electrodes for alkaline accumulators

Event Publications

12 August 2004 Complete Application Filed

  Priority application(s): 02028828.8 21.12.02 EP

19 August 2004 Application Open to Public Inspection

  Published as AU-A-2003303182

22 September 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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