Photochromic material

Details Photochromic material Photochromic material

2006-06-06

2006-06-06

Lambkin, Deborah C. (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C526S204000, C528S380000

Reexamination Certificate

active

07057054

ABSTRACT:
A photochromic material having a ring opening quantum yield of 10−3or lower which does not fade under ambient light is provided. The material comprises a compound belonging to the diheteroarylethene class. The compound has alkoxy group and aryl group on the heteroaryl group.

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