Organic photochromic compound, a dimer of pyrido quinoline

Details Organic photochromic compound, a dimer of pyrido quinoline Organic photochromic compound, a dimer of pyrido quinoline

1990-04-24

1992-02-25

Bowers, Jr., Charles L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546 81, 430343, 430962, 20415771, C07D47122, C07D47104, G03C 173

Patent

active

050915355

ABSTRACT:
An organic photochromic compound with improved long term preservability, thermal stability, the repetition character of the record and the like and useful as recording-memory materials or photosensitizers, comprising dimers of the compounds selected from the group consisting of pyrido[3,4-g]isoquinoline, pyrido[2,3-g]quinoline, pyrido[3,2-g]quinoline and pyrido[3,2-g]quinoline derivatives.

REFERENCES:
patent: 2650225 (1953-08-01), Goldberg et al.
patent: 4061638 (1977-12-01), Brown et al.

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