New dyes for use in diverse applications

Details New dyes for use in diverse applications New dyes for use in diverse applications

1994-11-21

1995-12-26

Neville, Thomas R.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Antihalation or filter layer containing

430510, 430507, 430522, 430139, 5483605, 5483631, G03C 1825

Patent

active

054787084

ABSTRACT:
The synthesis and the application of new dyes is described. In particular said new dyes can be 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. In photographic applications dyes of the general formula (I) are provided with at least one ionizable group which permits solubilization in aqueous and/or alkaline medium. ##STR1##

REFERENCES:
patent: 3560214 (1971-02-01), Ruda
patent: 4857446 (1989-08-01), Diehl et al.
patent: 5344749 (1994-09-01), Kiekens et al.

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