Graded external prefilter element for continuous-flow systems

Details for Australian Patent Application No. 2007276733 (hide)

Owner BIO-RAD LABORATORIES, INC.

Inventors Wijnant, Pascal; Surgeloose, Hilde; Dewaele, Chris

Agent Griffith Hack

Pub. Number AU-A-2007276733

PCT Pub. Number WO2008/014237

Priority 60/820,245 25.07.06 US; 11/780,266 19.07.07 US

Filing date 24 July 2007

Wipo publication date 31 January 2008

International Classifications

B01D 15/08 (2006.01) Separating processes involving the treatment of liquids with solid sorbents - Selective adsorption, e.g. chromatography

B01D 29/00 (2006.01) Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor

B01D 29/01 (2006.01) Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor - with flat filtering elements

B01D 29/03 (2006.01) Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor

B01D 35/30 (2006.01) Other filtering devices - Filter housing constructions

B01D 69/10 (2006.01) Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties

B01D 71/02 (2006.01) Semi-permeable membranes for separation processes or apparatus characterised by the material

Event Publications

5 March 2009 PCT application entered the National Phase

  PCT publication WO2008/014237 Priority application(s): WO2008/014237

10 May 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(e). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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