Filter dyes for rapid processing applications

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

1993-09-10

1995-01-10

Neville, Thomas R.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Two or more radiation-sensitive layers containing other than...

430510, 430517, 430519, 430522, 430523, 430591, 430139, 430966, 430958, G03C 146

Patent

active

053806344

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 decolourized in alkaline aqueous liquids used in the processing of said materials. The filter dyes have an ester function or a derivative therefrom as a substituent at the mono- or trimethine chain.

REFERENCES:
patent: 4857446 (1989-08-01), Diehl et al.
patent: 4866029 (1989-09-01), Evans 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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