Light-sensitive silver halide color photographic material

Radiation imagery chemistry: process – composition – or product th – Color imaging process – Stabilizing

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Details

430551, 430558, G03C 740, G03C 726

Patent

active

046846034

ABSTRACT:
There is disclosed a light-sensitive silver halide photographic material which comprises containing at least one coupler represented by the formula (I) shown below and at least one of the compounds represented by the formulae (XI) and (XII) shown below: ##STR1## wherein Z represents a group of non-metallic atoms necessary for forming a nitrogen-containing heterocyclic ring which may have a substituent; X represents a hydrogen atom or a substituent eliminatable through the reaction with the oxidized product of a color developing agent; and R represents a hydrogen atom or a substituent, ##STR2## wherein X.sup.1, X.sup.2 and X.sup.4 each represents an oxygen atom, a sulfur atom or --NR.sup.10 --(R.sup.10 represents a hydrogen atom, an alkyl group, an aryl group or a hydroxyl group); X.sup.3 represents a hydroxyl group or a mercapto group; Y represents an oxygen atom or a sulfur atom; R.sup.1, R.sup.2 and R.sup.3 each represents a hydrogen atom, an alkyl group or an aryl group, provided that at least two of R.sup.1, R.sup.2 and R.sup.3 represent alkyl groups or aryl groups; R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8 and R.sup.9 each represents an alkyl group, an aryl group, an alkoxy group, an aryloxy group, an alkoxycarbonyl group, an aryloxycarbonyl group, and acyl group, an acylamino group, an arylamino group, an alkylamino group, a carbamoyl group, a sulfamoyl group, a sulfonamide group, a sulfonyl group or a cycloalkyl group, or they can be linked to each other to form a 5- or 6-membered ring; M represents a metal atom; a, b, c, d, e and f each represent an integer of 0 to 4.

REFERENCES:
patent: 4500630 (1985-02-01), Sato et al.
patent: 4540653 (1985-09-01), Nishijima et al.
patent: 4581326 (1986-04-01), Katoh et al.

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