Multicolor recording material

Radiation imagery chemistry: process – composition – or product th – Diazo reproduction – process – composition – or product – Composition or product which contains radiation sensitive...

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430157, 430162, 430151, 430138, 430142, 503204, 503214, 503216, 503218, G03C 152, G03C 518

Patent

active

049651668

ABSTRACT:
A multicolor recording material having on one side of a support at least two layers capable of producing colors different from each other in hue through respective color-producing reactions, which further has an interlayer constituted by a water-soluble polyanionic polymer having gelled through the interaction with a polycation between every adjacent two of said color-producing layers to prevent migration of ingredients from one color-producing layer to another.

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patent: 4599630 (1986-07-01), Ohtaki et al.
patent: 4613878 (1989-09-01), Inaba et al.
patent: 4644376 (1987-02-01), Usami et al.
patent: 4665410 (1987-05-01), Iiyama et al.
patent: 4760048 (1988-07-01), Kurihara et al.

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