Method and apparatus for treating wastewater using membrane filters

Details for Australian Patent Application No. 2001280766 (hide)

Owner CH2M Hill, Inc.

Inventors Fleischer, Edwin J.; Murthy, Sudhir N.; Wollmann, Albert M.; Daigger, Glen T.; Broderick, Thomas A.

Agent Davies Collison Cave

Pub. Number AU-B-2001280766

PCT Pub. Number WO02/10077

Priority 09626879 27.07.00 US

Filing date 26 July 2001

Wipo publication date 13 February 2002

Acceptance publication date 21 July 2005

International Classifications

C02F 003/00 Biological treatment of water, waste water, or sewage

Event Publications

21 July 2005 Application Accepted

  Published as AU-B-2001280766

12 January 2006 Standard Patent Sealed

25 February 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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