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

Details for Australian Patent Application No. 2006347984 (hide)

Owner Essilor International (Compagnie Generale d'Optique) Alphamicron, Inc.

Inventors Cano, Jean Paul; Aiken, Stuart; Heron, Bernard Mark; Sukhomlinova, Ludmila; Gabbutt, Christoper David; Kosa, Tamas; Taheri, Bahman; Su, Linli

Agent Freehills

Pub. Number AU-B-2006347984

PCT Pub. Number WO2008/030226

Filing date 6 September 2006

Wipo publication date 13 March 2008

Acceptance publication date 20 September 2012

International Classifications

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

C07D 455/04 Heterocyclic compounds containing quinolizine ring systems, e.g. emetine alkaloids, protoberberine

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

G03C 1/73 Photosensitive materials - containing organic compounds

Event Publications

5 March 2009 PCT application entered the National Phase

  PCT publication WO2008/030226 Priority application(s): WO2008/030226

7 May 2009 Amendment Made

  The nature of the amendment is: Amend the invention title to read 3H-naphtho[2, 1-b]pyrans as photochromic dichroic dyes and optical article containing them

20 September 2012 Application Accepted

  Published as AU-B-2006347984

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