Waste Water Purifying Apparatus

Details for Australian Patent Application No. 2001294234 (hide)

Owner Eiwa Land Environment Co., Ltd.

Inventors Komurasaki, Masayuki; Niki, Hirofumi; Okamoto, Ryoichi

Agent Spruson & Ferguson

Pub. Number AU-B-2001294234

PCT Pub. Number WO2003/033420

Filing date 12 October 2001

Wipo publication date 28 April 2003

Acceptance publication date 19 April 2007

International Classifications

C02F 3/10 (2006.01) Biological treatment of water, waste water, or sewage - Packings

C02F 3/12 (2006.01) Biological treatment of water, waste water, or sewage - Activated sludge processes

C02F 1/20 (2006.01) Treatment of water, waste water, or sewage - by degassing, i.e. liberation of dissolved gases

C02F 1/28 (2006.01) Treatment of water, waste water, or sewage - by sorption

C02F 1/66 (2006.01) Treatment of water, waste water, or sewage - by neutralisation

C02F 3/30 (2006.01) Biological treatment of water, waste water, or sewage - Aerobic and anaerobic processes

Event Publications

3 July 2003 Application Open to Public Inspection

  Published as AU-B-2001294234

19 April 2007 Amendment Made

  The nature of the amendment is: Amend the invention title to read Waste Water Purifying Apparatus 2002

19 April 2007 Application Accepted

  Published as AU-B-2001294234

19 April 2007 Change of Name(s) of Applicant(s), Section 104

  Eiwa County Environment Co., Ltd. The name of the applicant has been changed to Eiwa Land Environment Co., Ltd. 2002

16 August 2007 Standard Patent Sealed

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