Light-sensitive silver halide photographic material incorporatin

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

1986-05-09

1988-06-21

Shah, Mukund J.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430542, 430554, 430558, 430559, 430561, G03C 108, G03C 726, G03C 732

Patent

active

047525614

ABSTRACT:
There is disclosed a light-sensitive silver halide photographic material having a silver halide emulsion layer containing a coupler on a support, comprising at least one of the metal complexes having a quenching constant of singlet oxygen of 3.times.10.sup.7 M.sup.-1.sec.sup.-1 or higher and at least one of oil-soluble dyes, and which may further comprise at least one of the magenta couplers represented by the formula (I) shown below: ##STR1## wherein Z represents a group of non-metal atoms necessary for formation of a nitrogen-containing heterocyclic ring, and the ring formed by the Z may have substituents; X represents a hydrogen atom or a substituent eliminable through the reaction with the oxidized product of a color developing agent; and R represents a hydrogen atom or a substituent.

REFERENCES:
patent: 4239843 (1980-12-01), Hara et al.
patent: 4242430 (1980-12-01), Hara et al.
patent: 4246330 (1981-01-01), Hara et al.
patent: 4343886 (1982-08-01), Nakamura et al.
patent: 4346165 (1982-08-01), Sawada et al.
patent: 4540653 (1985-09-01), Nishijima et al.
patent: 4590153 (1986-05-01), Kawagishi et al.

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