High molecular weight polymers containing pendant salicylic acid groups

Details for Australian Patent Application No. 2002231152 (hide)

Owner Ondeo Nalco Company

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

Agent Griffith Hack

Pub. Number AU-B-2002231152

PCT Pub. Number WO2002/060966

Priority 09/772,028 29.01.01 US

Filing date 19 December 2001

Wipo publication date 12 August 2002

Acceptance publication date 22 March 2007

International Classifications

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

C08F 220/06 (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

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

C08F 291/06 (2006.01) Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds according to more than one of the groups

Event Publications

20 February 2003 Application Open to Public Inspection

  Published as AU-B-2002231152

22 March 2007 Application Accepted

  Published as AU-B-2002231152

19 July 2007 Standard Patent Sealed

15 July 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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