C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
96/169, 260/306.
C07D 495/10 (2006.01) G03C 1/685 (2006.01)
Patent
CA 1207330
ABSTRACT OF THE DISCLOSURE Novel photochromic compounds are disclosed, which compounds are represented by the general formula Image in which R1 represents an alkyl group having 1 to 20 carbon atoms, R2, R3, R4 and R5 independently represent an alkyl group having 1 to 5 carbon atoms, an alkoxy group having 1 to 5 carbon atoms, a halogen atom, a nitro group, a cyano group or a dimethylamino group, and R6, R7 and R8 independently represent a hydrogen atom, an alkyl group having 1 to 5 carbon atoms, an alkoxy group having 1 to 5 carbon atoms, or a halogen atom, and correspondingly 97 to 50 wt% of a film-forming polymer. Photosensitive compositions and materials comprising the compounds are also described.
443845
Arakawa Seiichi
Kondo Hirofumi
Seto Junetsu
Gowling Lafleur Henderson Llp
Sony Corporation
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