Method of inhibiting corrosion in hot water systems

Details for Australian Patent Application No. 2004293772 (hide)

Owner Nalco Company

Inventors Hicks, Peter D.; Bailey, Bruce R.

Agent Griffith Hack

Pub. Number AU-B-2004293772

PCT Pub. Number WO2005/052213

Priority 10/718,424 20.11.03 US

Filing date 10 November 2004

Wipo publication date 9 June 2005

Acceptance publication date 3 June 2010

International Classifications

C23F 11/10 (2006.01) Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent - using organic inhibitors

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

C23F 11/18 (2006.01) Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent

C23F 14/02 (2006.01) Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes

C02F 1/70 (2006.01) Treatment of water, waste water, or sewage - by reduction

C02F 1/72 (2006.01) Treatment of water, waste water, or sewage - by oxidation

Event Publications

18 May 2006 PCT application entered the National Phase

  PCT publication WO2005/052213 Priority application(s): WO2005/052213

3 May 2007 Amendment Made

  The nature of the amendment is as shown in the statement(s) filed 12 Mar 2007

3 June 2010 Application Accepted

  Published as AU-B-2004293772

7 October 2010 Standard Patent Sealed

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