Method for the purification of sulphuric acids

Details for Australian Patent Application No. 2004274134 (hide)

Owner Lanxess Deutschland GmbH

Inventors Halle, Olaf; Rossoni, Duilio; Podszun, Wolfgang; Klipper, Rheinhold; Hees, Bruno; Vesselle, Jean-Marc

Agent Davies Collison Cave

Pub. Number AU-B-2004274134

PCT Pub. Number WO2005/028362

Priority RM2003A000416 04.09.03 IT

Filing date 23 August 2004

Wipo publication date 31 March 2005

Acceptance publication date 15 October 2009

International Classifications

B01J 45/00 (2006.01) Ion-exchange in which a complex or a chelate is formed

C01B 17/90 (2006.01) Sulfur

C25C 1/12 (2006.01) Electrolytic production, recovery or refining of metals by electrolysis of solutions

Event Publications

13 April 2006 PCT application entered the National Phase

  PCT publication WO2005/028362 Priority application(s): WO2005/028362

15 October 2009 Application Accepted

  Published as AU-B-2004274134

18 February 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under reg. 22.2I(2). This application has been accepted or advertised accepted. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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