Photochromic 2H-naphthopyrans

Details for Australian Patent Application No. 2006327229 (hide)

Owner Transitions Optical, Inc.

Inventors Chopra, Anu

Agent Mallesons

Pub. Number AU-B-2006327229

PCT Pub. Number WO2007/073463

Priority 11/317,577 23.12.05 US

Filing date 5 December 2006

Wipo publication date 28 June 2007

Acceptance publication date 15 July 2010

International Classifications

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

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

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

G02B 5/23 (2006.01) Optical elements other than lenses

Event Publications

26 June 2008 PCT application entered the National Phase

  PCT publication WO2007/073463 Priority application(s): WO2007/073463

15 July 2010 Application Accepted

  Published as AU-B-2006327229

25 November 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under reg. 22.2I(2). This application has been accepted or advertised accepted. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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