6-(biphenyl-ester)-3H-naphtho[2, 1-b]pyrans as photochromic dichroic dyes and optical article containing them

Details for Australian Patent Application No. 2007293901 (hide)

Owner Essilor International (Compagnie Generale d'Optique)

Inventors Gabbutt, Christopher David; Cano, Jean-Paul; Aiken, Stuart; Heron, Bernard Mark

Agent Freehills

Pub. Number AU-A-2007293901

PCT Pub. Number WO2008/028930

Priority PCT/ IB2006/003684 06.09.06 IB

Filing date 5 September 2007

Wipo publication date 13 March 2008

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

G02B 1/04 (2006.01) Optical elements characterised by the material of which they are made - made of organic materials, e.g. plastics

G03C 1/73 (2006.01) Photosensitive materials - containing organic compounds

Event Publications

19 March 2009 PCT application entered the National Phase

  PCT publication WO2008/028930 Priority application(s): WO2008/028930

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