Time temperature indicator comprising indolenin based spiropyrans

Details for Australian Patent Application No. 2009336646 (hide)

Owner BASF SE

Inventors Reichert, Hans; Hugin, Max; Duggeli, Mathias; Feiler, Leonhard

Agent Watermark

Pub. Number AU-A-2009336646

PCT Pub. Number WO2010/079114

Priority 09150214.6 08.01.09 EP; 09160627.7 19.05.09 EP

Filing date 30 December 2009

Wipo publication date 15 July 2010

International Classifications

C07D 491/107 (2006.01) Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups , , or

C09K 9/02 (2006.01) Tenebrescent materials, i.e. materials for which the range of wavelengths for energy adsorption is changed as a result of excitation by some form of energy - Organic tenebrescent materials

Event Publications

28 July 2011 PCT application entered the National Phase

  PCT publication WO2010/079114 Priority application(s): WO2010/079114

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