Membrane process for LPG recovery

Details for Australian Patent Application No. 2007238976 (hide)

Owner ExxonMobil Research and Engineering Company

Inventors Minhas, Bhupender S.; Staubs, David W.

Agent Watermark

Pub. Number AU-B-2007238976

PCT Pub. Number WO2007/120490

Priority 60/789,489 04.04.06 US; 11/731,871 30.03.07 US

Filing date 3 April 2007

Wipo publication date 25 October 2007

Acceptance publication date 16 June 2011

International Classifications

C10G 70/04 (2006.01) Working-up undefined normally gaseous mixtures obtained by processes covered by groups , , , ,

B01D 53/22 (2006.01) Separation of gases or vapours - by diffusion

Event Publications

30 October 2008 PCT application entered the National Phase

  PCT publication WO2007/120490 Priority application(s): WO2007/120490

16 June 2011 Application Accepted

  Published as AU-B-2007238976

13 October 2011 Standard Patent Sealed

1 November 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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