Filter dyes for rapid processing applications

Details Filter dyes for rapid processing applications Filter dyes for rapid processing applications

1993-09-10

1994-09-06

Neville, Thomas R.

Radiation imagery chemistry: process, composition, or product th

Post imaging processing

Stabilizing

430507, 430517, 430522, 430510, 430523, 430139, 430963, 430966, 430958, G03C 526

Patent

active

053447492

ABSTRACT:
The synthesis and the application of new dyes is described, said new dyes being incorporated in non-migratory state in hydrophilic colloid layers of photographic materials wherefrom they can be rapidly removed after being quickly decolorized in alkaline aqueous liquids used in the processing of said materials. The filter dyes have an amide function or a derivative therefrom as a substituent at the mono- or trimethine chain.

REFERENCES:
patent: 4857446 (1989-08-01), Diehl et al.
patent: 4904565 (1990-02-01), Schmidt et al.
patent: 4940654 (1990-07-01), Diehl et al.
patent: 4948717 (1990-08-01), Diehl et al.
patent: 4988611 (1991-01-01), Anderson et al.

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