Purification of 1,3-propanediol by distillation

Details for Australian Patent Application No. 2003219872 (hide)

Owner Shell Internationale Research Maatschappij B.V.

Inventors Weider, Paul Richard; Powell, Joseph Broun; Fan, Tseng-Pu

Agent Davies Collison Cave

Pub. Number AU-B-2003219872

PCT Number PCT/US03/05606

PCT Pub. Number WO2004/076392

Filing date 24 February 2003

Wipo publication date 17 September 2004

Acceptance publication date 28 June 2007

International Classifications

C07C 29/80 (2006.01) Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring

Event Publications

31 July 2003 Complete Application Filed

21 October 2004 Application Open to Public Inspection

  Published as AU-B-2003219872

28 June 2007 Application Accepted

  Published as AU-B-2003219872

25 October 2007 Standard Patent Sealed

16 September 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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.

Legal

The information provided by the Site not in the nature of legal or other professional advice. The information provided by the Site is derived from third parties and may contain errors. You must make your own enquiries and seek independent advice from the relevant industry professionals before acting or relying on any information contained herein. Check the above data against the Australian Patent Office AUSPAT database.

Next and Previous Patents/Applications

2003219873-COATED FUEL CELL ELECTRICAL CONTACT ELEMENT

2003219871-APPLICATION OF IMIDAZOLIDONE-MODIFIED LATEXES TO CARBONYLCONTAINING PLASTIC SUBSTRATES