Owner Transitions Optical, Inc

Inventors Van Gemert, Barry; Walters, Robert W.

Agent Collison & Co

Pub. Number AU-B-2001241705

PCT Pub. Number WO01/70719

Priority 09532978 22.03.00 US

Filing date 23 February 2001

Wipo publication date 3 October 2001

Acceptance publication date 20 January 2005

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

G02C 007/02 Optical parts - Lenses

G03C 001/73 Photosensitive materials - containing organic compounds

G03C 001/685 Photosensitive materials - Compositions containing spiro-condensed pyran compounds or derivatives thereof, as photosensitive substances

G02B 005/23 Optical elements other than lenses

C09K 009/02 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

C07D 311/96 Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings

C07D 211/94 Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings