Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...
Patent
1991-11-15
1993-12-28
Wright, Lee C.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Two or more radiation-sensitive layers containing other than...
430556, 430557, 430558, G03C 738, G03C 736
Patent
active
052738680
ABSTRACT:
A silver halide color photographic material comprising a support having thereon at least one blue sensitive silver halide emulsion layer, at least one green sensitive silver halide emulsion layer and at least one red sensitive silver halide emulsion layer, wherein at least one type of acylacetamide type yellow coupler in which the acyl group represented by formula [I] indicated below is included in said blue sensitive silver halide emulsion layer and at least one type of magenta coupler represented by formula [M] indicated below is included in said green sensitive silver halide emulsion layer, ##STR1## wherein R.sub.1 represents a univalent group, Q represents a group of non-metal atoms which, together with C, is required to form a three to five membered hydrocarbon ring or a three to five membered heterocyclic ring which has within the ring at least one hetero atom selected from the group consisting of N, O, S and P, with the proviso with R.sub.1 is not a hydrogen atom and is not linked to Q and does not form a ring, ##STR2## wherein R.sub.20 represents a hydrogen atom or a substituent group, Z represents a group of non-metal atoms which is required to form a five membered azole ring which contains 2 to 4 nitrogen atoms, said azole rings may have substituent groups including condensed rings, and X represents a hydrogen atom or a coupling-off group.
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patent: 5118599 (1992-06-01), Lau et al.
Kobayashi Hidetoshi
Sakurazawa Mamoru
Fuji Photo Film Co. , Ltd.
Wright Lee C.
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