Photoimaging composition containing admixture of leuco dye and 2

Details Photoimaging composition containing admixture of leuco dye and 2 Photoimaging composition containing admixture of leuco dye and 2

1985-09-16

1986-11-11

Louie, Won H.

Radiation imagery chemistry: process, composition, or product th

Dye image from radiation sensitive dye or dye former by dry...

Composition or product

430344, 430332, 430337, 430340, G03C 152

Patent

active

046222863

ABSTRACT:
Photoimaging composition comprising an admixture of leuco dye, and at least one 2,4,5-triphenylimidazolyl dimer prepared by an oxidative coupling reaction, a reaction product, 2,2',5-tris-(o-chlorophenyl)-4-(3,4-dimethoxyphenyl)-4',5'-diphenylbiimida zole, being present in an amount of 0.01 to 90.0% by weight based on the weight of solids in the composition. The composition when coated on a support is useful for prepress proofing.

REFERENCES:
patent: 3784557 (1974-01-01), Cescon
patent: 4090877 (1978-05-01), Streeper
patent: 4311783 (1982-01-01), Dessauer

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