Environmentally-friendly oil/water demulsifiers

Details for Australian Patent Application No. 2007236007 (hide)

Owner AKZO NOBEL N.V.

Inventors Uneback, Ingemar; Hellberg, Per-Erik

Agent Spruson & Ferguson

Pub. Number AU-B-2007236007

PCT Pub. Number WO2007/115980

Priority 06112350.1 07.04.06 EP; 60/790,069 07.04.06 US

Filing date 3 April 2007

Wipo publication date 18 October 2007

Acceptance publication date 19 May 2011

International Classifications

C10G 33/04 (2006.01) De-watering or demulsification of hydrocarbon oils

C07C 43/32 (2006.01) Ethers

C08G 65/331 (2006.01) Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule

Event Publications

27 November 2008 PCT application entered the National Phase

  PCT publication WO2007/115980 Priority application(s): WO2007/115980

19 May 2011 Application Accepted

  Published as AU-B-2007236007

15 September 2011 Standard Patent Sealed

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