Silver halide color photographic material containing pyrazole-su

Details Silver halide color photographic material containing pyrazole-su Silver halide color photographic material containing pyrazole-su

1992-09-04

1996-03-19

Wright, Lee C.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430387, G03C 738

Patent

active

055003346

ABSTRACT:
Disclosed is a silver halide color photographic material having at least one silver halide emulsion layer on a support, in which at least one layer constituting the material contains a coupler of formula (I): ##STR1## where R.sub.1 represents an electron-attracting substituent having a Taft's substituent constant .sigma.* value of +0.52 or more; R.sub.2 represents a branched alkyl group; and X represents a pyrazolyl group. The material has excellent heat stability, sensitivity, gradation and color image fastness, and it also has excellent color forming capacity and absorption characteristics.

REFERENCES:
patent: 5001041 (1991-03-01), Kishimoto et al.
patent: 5254446 (1993-10-01), Ikenoue et al.

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