Method for the production of 2coumarone and substituted 2-coumarones

Details for Australian Patent Application No. 2001274004 (hide)

Owner DSM Fine Chemicals Austria GmbH

Inventors Castelijns, Marianne; Stanek, Michael; Zimmermann, Curt; Hildebrand, Peter

Agent Griffith Hack

Pub. Number AU-B-2001274004

PCT Pub. Number WO01/94329

Priority A 983/2000 06.06.00 AT

Filing date 9 May 2001

Wipo publication date 17 December 2001

Acceptance publication date 15 December 2005

International Classifications

C07D 307/77 (2006.01) Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom

C07D 307/83 (2006.01) Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom

Event Publications

15 December 2005 Application Accepted

  Published as AU-B-2001274004

12 January 2006 Corrigenda

  Applications Accepted - Name Index Under the name DSM Fine Chemicals Austria GmbH, Application No. 2001274004, under INID (71) correct the name to read DSM Fine Chemicals Austria Nfg GmbH & Co KG.

13 April 2006 Standard Patent Sealed

3 December 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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