Light-sensitive silver halide photographic material

Details Light-sensitive silver halide photographic material Light-sensitive silver halide photographic material

1987-12-24

1989-11-14

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430558, G03C 738

Patent

active

048807338

ABSTRACT:
A silver halide photographic light-sensitive material having improved stability in the dye image against light and moisture and comprising a magenta dye-forming coupler represented by formula [M-I], a compound represented by formula [A] shown below is disclosed. This technical advantage is enhanced by the use of a compound represented by formula [B.sub.1 ], [B.sub.2 ] or [B.sub.3 ] as defined in the description. ##STR1## wherein Z represents a group of non-metal atoms necessary to complete a nitrogen-containing heterocycle which may have a substituent, X represents a hydrogen atom or a group capable of being split-off upon reaction with the oxidation product of a color developing agent and R represents a hydrogen atom or a substituent; ##STR2## wherein R.sup.1 represents an aryl group or heterocyclic group, Z.sub.1 and Z.sub.2 independently represent an alkylene group having 1 to 3 carbon atoms provided that the total number of carbon atoms, within the alkylene groups represented by Z.sub.1 and Z.sub.2 is 3 to 6, and n is 1 or 2.

REFERENCES:
patent: 4268621 (1981-05-01), Ogi et al.
patent: 4623617 (1986-11-01), Kaneko et al.
patent: 4639415 (1987-01-01), Kaneko et al.

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