MATERIALS AND METHODS FOR THE PURIFICATION OF INERT, NONREACTIVE, AND REACTIVE GASES

Details for Australian Patent Application No. 2002356881 (hide)

Owner MATHESON TRI-GAS, INC.

Inventors WATANABE, Tadaharu; FRAENKEL, Dan; TORRES, Robert, Jr.

Pub. Number AU-A-2002356881

PCT Number PCT/US02/35006

PCT Pub. Number WO2003/037484

Priority 10/284,423 29.10.02 US; 60/336,327 31.10.01 US

Filing date 30 October 2002

Wipo publication date 12 May 2003

International Classifications

B01D 053/02 Separation of gases or vapours -

Event Publications

27 March 2003 Complete Application Filed

  Priority application(s): 10/284,423 29.10.02 US; 60/336,327 31.10.01 US

10 July 2003 Application Open to Public Inspection

  Published as AU-A-2002356881

15 July 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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