Formation of composite materials with expandable matter

Details for Australian Patent Application No. 2001253721 (hide)

Owner Watervisions International, Inc.

Inventors Johnston, Arthur W.; Williams, Frank A.; Hughes, Kenneth D.; Johnston, Arthur F.

Agent Pizzeys

Pub. Number AU-B-2001253721

PCT Pub. Number WO01/81249

Priority 60198951 21.04.00 US

Filing date 20 April 2001

Wipo publication date 7 November 2001

Acceptance publication date 19 January 2006

International Classifications

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

C02F 1/42 (2006.01) Treatment of water, waste water, or sewage - by ion-exchange

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

Event Publications

19 January 2006 Application Accepted

  Published as AU-B-2001253721

18 May 2006 Standard Patent Sealed

12 November 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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