Photographic recording material with indole redox releaser

Details Photographic recording material with indole redox releaser Photographic recording material with indole redox releaser

1983-06-02

1985-02-12

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430218, 430219, 430223, 430217, 430234, 430559, 430564, 430566, 430598, 430607, 430621, 430957, 430958, 430959, G03C 554, G03C 140, G03C 110, G03C 142

Patent

active

044991819

ABSTRACT:
A photographic recording material. On a support are provided a silver emulsion halide layer and a photographic layer. The photographic layer contains an indole compound represented by the general formula (I): ##STR1## wherein PUG represents a photographically useful group, Ball represents an organic group which has enough molecular weight and/or disposition to render the compound non-diffusible during processing of the photographic recording material with an alkaline medium and wherein the Ball contains a nitrogen atom which is directly attached to the 5th or 6th position of the indole ring. R.sub.1 represents a halogen atom or a monovalent organic group. R.sub.2 represents a hydrogen atom or a low molecular group attached, through a carbon atom, to the 2nd position of the indole ring. "m" represents an integer of zero to 3.

REFERENCES:
patent: 4179291 (1979-12-01), Vetter et al.
patent: 4198235 (1980-04-01), Vetter et al.
patent: 4273855 (1981-06-01), Jaeken et al.
patent: 4277553 (1981-07-01), Onodera et al.
patent: 4360581 (1982-11-01), Odenwalder et al.

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