Flocculation of mineral suspensions

Details for Australian Patent Application No. 2002226338 (hide)

Owner Ciba Specialty Chemicals Water Treatments Limited

Inventors Weir, Steven

Agent Davies Collison Cave

Pub. Number AU-B-2002226338

PCT Pub. Number WO02/44093

Priority 0029077.5 29.11.00 GB

Filing date 16 November 2001

Wipo publication date 11 June 2002

Acceptance publication date 19 October 2006

International Classifications

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

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

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

Event Publications

19 October 2006 Application Accepted

  Published as AU-B-2002226338

15 February 2007 Standard Patent Sealed

11 June 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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.

Legal

The information provided by the Site not in the nature of legal or other professional advice. The information provided by the Site is derived from third parties and may contain errors. You must make your own enquiries and seek independent advice from the relevant industry professionals before acting or relying on any information contained herein. Check the above data against the Australian Patent Office AUSPAT database.

Next and Previous Patents/Applications

2002226339

2002226337-Intravascular pump