Silver halide color photographic material

Details Silver halide color photographic material Silver halide color photographic material

1991-07-29

1993-02-16

Wright, Lee C.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430557, 430558, 430957, G03C 736

Patent

active

051870568

ABSTRACT:
The present invention relates to a silver halide color photographic material, which contains a novel yellow coupler of formula (I) in at least one hydrophilic colloid layer which is provided on a support, ##STR1## where R.sup.1 represents a non-metallic atomic group necessary for forming a 5-membered unsaturated hetero ring together with a residue of ##STR2## in the formula; R.sup.2 represents a hydrogen atom, an aliphatic group, an aromatic group, or a heterocyclic group; R.sup.3 represents an organic residue; X represents a group capable of splitting off from the formula when the compound has reacted with the oxidation product of an aromatic primary amine developing agent; A represents an acidic dissociating group which may be at any substitutable position in the formula; and n represents an integer of 1 or more; provided that when A is a substituent in X, the X as split off from the formula when the compound has reacted with the oxidation product of a developing agent does not further react with the oxidation product of the developing agent. The coupler has an high dye-forming speed to form a dye with a high color density and a high color fastness, and the photographic material containing the coupler is processed to form a color image with an improved sharpness, an elevated sensitivity and an elevated color fastness.

REFERENCES:
patent: 5066576 (1991-11-01), Ichijima et al.

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