Dye releasing couplers for heat image separation systems

Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...

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430226, 430546, G03C 554

Patent

active

053567501

ABSTRACT:
An aqueous-developable photographic color diffusion transfer element comprising a single dimensionally stable support and one or more layers comprising radiation sensitive silver halide, thermal solvent for facilitating the thermal diffusion of dyes through a hydrophilic binder, a dye-releasing coupler, and hydrophilic binder, wherein said dye is heat diffusible in said binder and thermal solvent, and wherein said dye-releasing coupler is of the structure

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