Nitrogen rejection from condensed natural gas

Details for Australian Patent Application No. 2004241309 (hide)

Owner Air Products and Chemicals, Inc.

Inventors Spilsbury, Christopher Geoffrey; Brostow, Adam Adrian; Roberts, Mark Julian

Agent Pizzeys

Pub. Number AU-B-2004241309

PCT Pub. Number WO2004/104143

Priority 10/444,029 22.05.03 US

Filing date 5 March 2004

Wipo publication date 2 December 2004

Acceptance publication date 26 February 2009

International Classifications

F25J 3/08 (2006.01) Processes or apparatus for separating the constituents of gaseous mixtures involving the use of liquefaction or solidification - Separating gaseous impurities from gases or gaseous mixtures

F25J 3/02 (2006.01) Processes or apparatus for separating the constituents of gaseous mixtures involving the use of liquefaction or solidification - by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream

Event Publications

10 November 2005 PCT application entered the National Phase

  PCT publication WO2004/104143 Priority application(s): WO2004/104143

26 February 2009 Application Accepted

  Published as AU-B-2004241309

25 June 2009 Standard Patent Sealed

4 October 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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