SELECTIVE REMOVAL OF NITROGEN FROM NATURAL GAS BY PRESSURE SWING ADSORPTION

Details for Australian Patent Application No. 2002246890 (hide)

Owner ENGELHARD CORPORATION

Inventors DOLAN, William, B.; BUTWELL, Kenneth, F.

Pub. Number AU-A-2002246890

PCT Pub. Number WO2002/058818

Priority 09/699,664 30.10.00 US

Filing date 25 October 2001

Wipo publication date 6 August 2002

International Classifications

B01D 053/00 Separation of gases or vapours

Event Publications

6 February 2003 Application Open to Public Inspection

  Published as AU-A-2002246890

29 January 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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