Method for obtaining crude 1,3-butadiene from a C4 fraction

Details for Australian Patent Application No. 2004240749 (hide)

Owner BASF Aktiengesellschaft

Inventors Heida, Bernd

Agent Watermark

Pub. Number AU-A-2004240749

PCT Pub. Number WO2004/103937

Priority 103 22 655.9 20.05.03 DE

Filing date 19 May 2004

Wipo publication date 2 December 2004

International Classifications

C07C 007/08 Purification, separation orstabilisation of hydrocarbons

C07C 011/167 Acyclic unsaturated hydrocarbons

Event Publications

8 December 2005 PCT application entered the National Phase

  PCT publication WO2004/103937 Priority application(s): WO2004/103937

5 June 2008 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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