Photochromic compounds, a process for their preparation, and...

Details Photochromic compounds, a process for their preparation, and... Photochromic compounds, a process for their preparation, and...

C - Chemistry, Metallurgy

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C07D 335/16 (2006.01) C07D 219/06 (2006.01) C07D 311/86 (2006.01) C07D 401/10 (2006.01) C07D 401/12 (2006.01) C07D 403/10 (2006.01) C07D 409/10 (2006.01) C09K 9/02 (2006.01) G03C 1/725 (2006.01) G03F 7/031 (2006.01) G03F 7/038 (2006.01) H01R 13/52 (2006.01)

Patent

CA 2030955

6-17851/+ Photochromic compounds, a process for their preparation, and their use Abstract Compounds of the formula I Image (I), in which X is O, S, SO, SO2 or NR13, R13 is, for example, methyl, and R1 to R12, independently of one another, are, for example, H, C1-C12alkyl, C1-C12alkoxy, halogen or -CN. Thecompounds are photosensitive and photochromic and are suitable as photosensitizers and simultaneously as colour indicators, and as photoswitchable colour filters.

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