Photochromic materials demonstrating improved fade rates

Details for Australian Patent Application No. 2007313947 (hide)

Owner Transitions Optical, Inc.

Inventors Brown, Patrick M.; Chopra, Anu

Agent Mallesons

Pub. Number AU-B-2007313947

PCT Pub. Number WO2008/054942

Priority 11/860,682 25.09.07 US; 60/855,270 30.10.06 US

Filing date 26 September 2007

Wipo publication date 8 May 2008

Acceptance publication date 4 August 2011

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

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

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

Event Publications

23 April 2009 PCT application entered the National Phase

  PCT publication WO2008/054942 Priority application(s): WO2008/054942

4 August 2011 Application Accepted

  Published as AU-B-2007313947

1 December 2011 Standard Patent Sealed

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