Process and apparatus for blending product liquid from different TFC membranes

Details for Australian Patent Application No. 2001286770 (hide)

Owner Culligan International Company

Inventors Wayman, Gene; Van Newenhizen, John; Lee, Barry H.

Agent FB Rice

Pub. Number AU-B-2001286770

PCT Pub. Number WO02/16269

Priority 09/645,898 25.08.00 US

Filing date 24 August 2001

Wipo publication date 4 March 2002

Acceptance publication date 2 February 2006

International Classifications

B01D 61/02 (2006.01) Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration - Reverse osmosis

B01D 61/58 (2006.01) Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration - Multistep processes

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

Event Publications

3 June 2004 Assignment before Grant

  United States Filter Corporation The application has been assigned to Culligan International Company 2002

2 February 2006 Application Accepted

  Published as AU-B-2001286770

1 June 2006 Standard Patent Sealed

24 April 2008 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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