Photochromic optical articles prepared with reversible...

Optical: systems and elements – Optical modulator – Light wave temporal modulation

Reexamination Certificate

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Reexamination Certificate

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07911676

ABSTRACT:
Provided is a photochromic optical articleincluding: (a) an optical substrate; (b) a thermally reversible photochromic material; and (c) reversible thermochromic material capable of at least partially filtering UV/visible light at or below room temperature and becoming less capable of filtering UV/visible light at temperatures greater than room temperature.

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