Method for treating aqueous sludge, material so produced and the use thereof

Details for Australian Patent Application No. 2004266764 (hide)

Owner Detlef Hegemann GmbH & Co. KG Ashland Licensing and Intellectual Property LLC

Inventors Hoppner, Wolfgang; Hartmann, Volker; Pawel, Hartmut; Herrmann, Holger; Buddenberg, Thorsten; Schroers, Otto

Agent Callinan

Pub. Number AU-B-2004266764

PCT Pub. Number WO2005/019122

Priority 103 33 478.5 22.07.03 DE

Filing date 28 May 2004

Wipo publication date 3 March 2005

Acceptance publication date 20 August 2009

International Classifications

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

Event Publications

2 February 2006 PCT application entered the National Phase

  PCT publication WO2005/019122 Priority application(s): WO2005/019122

27 November 2008 Assignment before Grant

  Detlef Hegemann GmbH & Co. KG; Stockhausen GmbH The application has been assigned to Detlef Hegemann GmbH & Co. KG; Ashland Licensing and Intellectual Property LLC 2005

20 August 2009 Application Accepted

  Published as AU-B-2004266764

17 December 2009 Standard Patent Sealed

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