Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...
Patent
1997-05-28
1999-10-05
Letscher, Geraldine
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified radiation sensitive composition with color...
430556, 430557, 430567, 430599, 430607, 430611, 430613, G03C 108, G03C 726, G03C 732
Patent
active
059622083
ABSTRACT:
A silver halide color photographic material comprises at least one silver halide emulsion layer on a reflex support silver halide grains containing at least 90 mol % silver chloride and having a silver bromide-rich region in the vicinity of at least one grain corner, but having an average silver bromide content of 15 mol % or less at the grain surface, (ii) at least one yellow coupler represented by the following general formula (I); and (iii) at least one compound represented by the following general formula (II): ##STR1## wherein R.sub.1 represents an aryl group or a tertiary alkyl group; R.sub.2 represents a fluorine atom, an alkyl group, an aryl group, an alkoxy group, an aryloxy group, a dialkylamino group, an alkylthio group, or an arylthio group; R.sub.3 represents a group which can replace a hydrogen atom of a benzene ring; X represents a hydrogen atom or a group capable of being removed by a coupling reaction with an oxidation product of an aromatic primary amine developing agent; and l represents an integer from 0 to 4, and when l is 2 or more, the R.sub.3 groups may be the same or different, ##STR2## wherein Q represents a group of atoms necessary to complete a 5- or 6-membered hetero ring which may be fused together with a benzene ring; and M represents a hydrogen atom or a cation.
REFERENCES:
patent: 4840878 (1989-06-01), Hirose et al.
patent: 5035988 (1991-07-01), Nakamura et al.
patent: 5070003 (1991-12-01), Naruse et al.
patent: 5153110 (1992-10-01), Kawai et al.
patent: 5399475 (1995-03-01), Hasebe et al.
Fuji Photo Film Co. , Ltd.
Letscher Geraldine
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