High molecular weight polymers containing pendent salicyclic acid groups for clarifying bayer process liquors

Details for Australian Patent Application No. 2004215445 (hide)

Owner Nalco Company

Inventors Mahoney, Robert P.; Brammer, Larry E. Jr.; Quadir, Murat; Ramesh, Manian; Phillips, Everett C.; Malito, John T.; Kildea, John D.

Agent Griffith Hack

Pub. Number AU-B-2004215445

PCT Pub. Number WO2004/076510

Priority 10/373,132 24.02.03 US

Filing date 11 February 2004

Wipo publication date 10 September 2004

Acceptance publication date 2 July 2009

International Classifications

C08F 246/00 (2006.01) Copolymers in which the nature of only the monomers in minority is defined

B01D 21/01 (2006.01) Separation of suspended solid particles from liquids by sedimentation - using flocculating agents

C01F 7/06 (2006.01) Compounds of aluminium

C01F 7/47 (2006.01) Compounds of aluminium

C02F 1/52 (2006.01) Treatment of water, waste water, or sewage - by flocculation or precipitation of suspended impurities

C02F 1/56 (2006.01) Treatment of water, waste water, or sewage

C08F 220/58 (2006.01) Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide, or nitrile thereof

Event Publications

15 September 2005 PCT application entered the National Phase

  PCT publication WO2004/076510 Priority application(s): WO2004/076510

2 July 2009 Application Accepted

  Published as AU-B-2004215445

29 October 2009 Standard Patent Sealed

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