Silver halide color photographic material

Details Silver halide color photographic material Silver halide color photographic material

1986-05-27

1990-06-26

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430548, 430555, 430957, G03C 7384

Patent

active

049371797

ABSTRACT:
A silver halide color photographic material comprising a support having thereon a silver halide emulsion layer, wherein the silver halide color photographic material contains a two-equivalent magenta polymer coupler which is capable of forming a color image upon coupling with an oxidation product of an aromatic primary amine developing agent and has an oil pKa' of 8.0 or more.
The two-equivalent magenta polymer coupler has an excellent color forming property, an improved conversion efficiency to a dye and an improved resistivity to decreases in color forming property upon the attack of chemical substances and is free from the formation of undesirable fog when preserved under conditions of high temperature or of high temperature and high humidity.
The silver halide color photographic material has a reduced layer thickness and an improved sharpness.
The silver halide color photographic material may further contain a hydrolizable type DIR coupler or a non-hydrolizable type DIR coupler which is represented by the following general formula (I):

REFERENCES:
patent: 4477563 (1984-10-01), Ichijima et al.
patent: 4500634 (1985-02-01), Sakanoue et al.
patent: 4745048 (1988-05-01), Kishimoto et al.

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