Method of improving performance of ultrafiltration or microfiltration membrane process in backwash water treatment

Details for Australian Patent Application No. 2007256957 (hide)

Owner Nalco Company

Inventors Musale, Deepak A.

Agent Pizzeys

Pub. Number AU-B-2007256957

PCT Pub. Number WO2007/143448

Priority 11/421,172 31.05.06 US

Filing date 29 May 2007

Wipo publication date 13 December 2007

Acceptance publication date 19 January 2012

International Classifications

B01D 61/00 (2006.01) Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration

C02F 1/44 (2006.01) Treatment of water, waste water, or sewage - by dialysis, osmosis or reverse osmosis

Event Publications

4 December 2008 PCT application entered the National Phase

  PCT publication WO2007/143448 Priority application(s): WO2007/143448

19 January 2012 Application Accepted

  Published as AU-B-2007256957

17 May 2012 Standard Patent Sealed

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