Process for preparing high-purity, halogen-free o-phthalaldehyde

Details for Australian Patent Application No. 2006202718 (hide)

Owner DSM Fine Chemicals Austria Nfg GmbH & Co KG

Inventors Reiter, Klaus; Hermanseder, Rudolf; Giselbrecht, Karlheinz

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-B-2006202718

Priority A1087/2005 28.06.05 AT

Filing date 27 June 2006

Wipo publication date 18 January 2007

Acceptance publication date 17 November 2011

International Classifications

C07C 47/544 (2006.01) Compounds having CHO groups

C07C 45/43 (2006.01) Preparation of compounds having CO groups bound only to carbon or hydrogen atoms

Event Publications

13 July 2006 Complete Application Filed

  Priority application(s): A1087/2005 28.06.05 AT

18 January 2007 Application Open to Public Inspection

  Published as AU-B-2006202718

17 November 2011 Application Accepted

  Published as AU-B-2006202718

15 March 2012 Standard Patent Sealed

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