Photographic silver halide element and process

Details Photographic silver halide element and process Photographic silver halide element and process

1988-03-11

1989-08-15

Shah, Mukund J.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430434, 430486, 430487, 430505, 430506, 430543, 430567, 430957, G03C 726, G03C 732, G03C 524, G03C 146

Patent

active

048574481

ABSTRACT:
An improved photographic silver halide element comprises a support, and an emulsion layer unit containing one or more photographic silver halide emulsions sensitized to the same spectral region and, adjacent each side of the emulsion layer unit, a layer substantially free of active silver halide containing an image modifier which is a compound capable of imagewise releasing an image-modifying compound on silver halide development wherein at least one of the layers contains a dye image-forming coupler. Such a layer arrangement enables greater control of the emulsion layer's response to oxidized developer generated upon processing.

REFERENCES:
patent: 3379529 (1968-04-01), Porter et al.
patent: 3930863 (1976-01-01), Shiba et al.
patent: 4390618 (1983-06-01), Kobayashi et al.
patent: 4414308 (1983-11-01), Hamada
patent: 4433048 (1984-02-01), Solberg et al.
patent: 4434226 (1984-02-01), Wilgus et al.
patent: 4439520 (1984-03-01), Kofron et al.
patent: 4518682 (1988-05-01), Kobayashi et al.

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