PRODUCTION OF HIGH PURITY AND ULTRA-HIGH PURITY GAS

Details for Australian Patent Application No. 2003239922 (hide)

Owner PRAXAIR TECHNOLOGY, INC.

Inventors SAXENA, Himanshu; ACKLEY, Mark, William; BILLINGHAM, John, Fredric; BARRETT, Philip Alexander

Pub. Number AU-A-2003239922

PCT Number PCT/US03/17296

PCT Pub. Number WO2003/101587

Priority 60/384,612 31.05.02 US; 60/385,148 03.06.02 US

Filing date 30 May 2003

Wipo publication date 19 December 2003

International Classifications

B01D 053/04 Separation of gases or vapours - with stationary adsorbents

B01D 053/62 Separation of gases or vapours - Carbon oxides

Event Publications

11 September 2003 Complete Application Filed

  Priority application(s): 60/384,612 31.05.02 US; 60/385,148 03.06.02 US

12 February 2004 Application Open to Public Inspection

  Published as AU-A-2003239922

17 February 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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