Photochromic dichroic naphtho-pyrans and optical articles containing them

Details for Australian Patent Application No. 2009221175 (hide)

Owner Essilor International (Compagnie Generale d'Optique)

Inventors Gabbut, Christopher David; Kershaw, Christopher Stephen; Heron, Bernard Mark; Cano, Jean-Paul; Smith, Nicola Jane; Aiken, Stuart

Agent Freehills

Pub. Number AU-A-2009221175

PCT Pub. Number WO2009/109546

Priority 08300136.2 05.03.08 EP

Filing date 2 March 2009

Wipo publication date 11 September 2009

International Classifications

C07D 311/92 (2006.01) Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings

C07D 409/04 (2006.01) Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms

C07D 409/10 (2006.01) Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms

C09K 9/00 (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

Event Publications

16 September 2010 PCT application entered the National Phase

  PCT publication WO2009/109546 Priority application(s): WO2009/109546

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