Method for the simultaneous recovery of a pure helium and pure nitrogen fraction

Details for Australian Patent Application No. 2006220067 (hide)

Owner Linde Aktiengesellschaft

Inventors Schmidt, Hans

Agent Davies Collison Cave

Pub. Number AU-A-2006220067

PCT Pub. Number WO2006/092266

Priority 10 2005 010 054.6 04.03.05 DE

Filing date 28 February 2006

Wipo publication date 8 September 2006

International Classifications

F25J 3/02 (2006.01) Processes or apparatus for separating the constituents of gaseous mixtures involving the use of liquefaction or solidification - by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream

C01B 21/04 (2006.01) Nitrogen

F25J 3/08 (2006.01) Processes or apparatus for separating the constituents of gaseous mixtures involving the use of liquefaction or solidification - Separating gaseous impurities from gases or gaseous mixtures

Event Publications

27 September 2007 PCT application entered the National Phase

  PCT publication WO2006/092266 Priority application(s): WO2006/092266

22 October 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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