Method and device for extractive distillation

Details for Australian Patent Application No. 2003296640 (hide)

Owner BASF SE

Inventors Heida, Bernd

Agent Watermark

Pub. Number AU-B-2003296640

PCT Number PCT/EP2003/0140

PCT Pub. Number WO2004/052492

Priority 102 58 160.6 12.12.02 DE

Filing date 11 December 2003

Wipo publication date 30 June 2004

Acceptance publication date 28 May 2009

International Classifications

B01D 3/40 (2006.01) Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping

C07C 7/08 (2006.01) Purification, separation orstabilisation of hydrocarbons

Event Publications

6 May 2004 Complete Application Filed

  Priority application(s): 102 58 160.6 12.12.02 DE

5 August 2004 Application Open to Public Inspection

  Published as AU-B-2003296640

11 September 2008 Alteration of Name

  The name of the applicant has been altered to BASF SE 2004

28 May 2009 Application Accepted

  Published as AU-B-2003296640

24 September 2009 Standard Patent Sealed

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