CONTROL SYSTEM FOR HELIUM RECOVERY

Details for Australian Patent Application No. 2002322783 (hide)

Owner PRAXAIR TECHNOLOGY, INC.

Inventors EMLEY, Mark, Thomas; BAKSH, Mohamed, Safdar, Allie; JAYNES, Scot, Eric; NEU, Bernard, Thomas; SMOLAREK, James

Pub. Number AU-A-2002322783

PCT Number PCT/US02/24136

PCT Pub. Number WO2003/011434

Priority 60/309,073 31.07.01 US

Filing date 31 July 2002

Wipo publication date 17 February 2003

International Classifications

B01D 053/22 Separation of gases or vapours - by diffusion

B01D 053/047 Separation of gases or vapours - Pressure swing adsorption

Event Publications

16 January 2003 Complete Application Filed

  Priority application(s): 60/309,073 31.07.01 US

29 May 2003 Application Open to Public Inspection

  Published as AU-A-2002322783

6 May 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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