METHOD AND APPARATUS FOR GAS PURIFICATION

Details for Australian Patent Application No. 2002365046 (hide)

Owner PRAXAIR TECHNOLOGY, INC.

Inventors SAXENA, Himanshu; HENZLER, Gregory, William; NOWOBILSKI, Jeffert, John; ACKLEY, Mark, William

Pub. Number AU-A-2002365046

PCT Number PCT/US02/40591

PCT Pub. Number WO2003/053546

Priority 60/342,673 20.12.01 US; 60/384,611 31.05.02 US

Filing date 19 December 2002

Wipo publication date 9 July 2003

International Classifications

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

Event Publications

31 July 2003 Complete Application Filed

  Priority application(s): 60/342,673 20.12.01 US; 60/384,611 31.05.02 US

2 October 2003 Application Open to Public Inspection

  Published as AU-A-2002365046

16 September 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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