Anaqueous solution of a sodium salt of HEDTA

Details for Australian Patent Application No. 2004263258 (hide)

Owner Akzo Nobel N.V.

Inventors Heus, Martin; Lepage, Jim; Lammers, Hans

Agent Spruson & Ferguson

Pub. Number AU-B-2004263258

PCT Pub. Number WO2005/014527

Priority 03077382.4 30.07.03 EP; 60/488,451 21.07.03 US

Filing date 13 July 2004

Wipo publication date 17 February 2005

Acceptance publication date 17 June 2010

International Classifications

C07C 229/26 (2006.01) Compounds containing amino and carboxyl groups bound to the same carbon skeleton

B01D 61/44 (2006.01) Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration

C02F 1/68 (2006.01) Treatment of water, waste water, or sewage - by addition of specified substances, e.g. trace elements, for ameliorating potable water

Event Publications

9 March 2006 PCT application entered the National Phase

  PCT publication WO2005/014527 Priority application(s): WO2005/014527

17 June 2010 Application Accepted

  Published as AU-B-2004263258

14 October 2010 Standard Patent Sealed

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