Silver halide photographic material

Details Silver halide photographic material Silver halide photographic material

1988-09-19

1991-04-23

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Antihalation or filter layer containing

430546, 430549, 430551, G03C 184, G03C 734

Patent

active

050099892

ABSTRACT:
A silver halide photographic material which contains, on a support, a combination of at least one cyan dye-forming coupler represented by the following formula (I) and at least one compound selected from among those represented by the following formulae (II) and (III), whereby achieving enhancement of keeping quality of the developed cyan color dye: ##STR1## wherein R.sub.1 represents an aliphatic group, an aromatic group or a heterocyclic group; R.sub.2 representing an alkyl group containing from 2 to 15 carbon atoms; Z represents a hydrogen atom, or a group or an atom capable of splitting off upon coupling with a developing agent; L.sub.1 and L.sub.2 each represents a divalent to a tetravalent aliphatic group; R.sub.3 and R.sub.4 each represents an aliphatic group, an aromatic group, or a heterocyclic group; and n and m each represents an integer of from 2 to 4, and therein the n R.sub.3 's and m R.sub.4 's, respectively, may be the same or different, and when m represents 2, L.sub.2 excludes a cyclohexylene group.

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