Sludge thickening device and sludge thickening method

Details for Australian Patent Application No. 2005330884 (hide)

Owner Ishigaki Company Limited

Inventors Katayama, Masayoshi; Miyawaki, Masaharu; Sugaya, Kenzou; Yamashita, Manabu; Kawasaki, Hiroichi

Agent Spruson & Ferguson

Pub. Number AU-B-2005330884

PCT Pub. Number WO2006/112041

Priority 2005-116491 14.04.05 JP

Filing date 20 July 2005

Wipo publication date 26 October 2006

Acceptance publication date 30 July 2009

International Classifications

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

B01D 33/06 (2006.01) Filters with filtering elements which move during the filtering operation - with rotary cylindrical filtering surfaces, e.g. hollow drums

B30B 9/14 (2006.01) Presses specially adapted for particular purposes

Event Publications

1 November 2007 PCT application entered the National Phase

  PCT publication WO2006/112041 Priority application(s): WO2006/112041

16 July 2009 Amendment Made

  The nature of the amendment is: Amend the invention title to read Sludge thickening device and sludge thickening method 2006

30 July 2009 Application Accepted

  Published as AU-B-2005330884

26 November 2009 Standard Patent Sealed

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