Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...
Patent
1993-07-28
1995-12-19
Neville, Thomas R.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Two or more radiation-sensitive layers containing other than...
430544, 430567, 430506, 430550, 430558, 430957, 430548, 430551, G03C 146
Patent
active
054767598
ABSTRACT:
A silver halide color photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer is disclosed, wherein said light-sensitive material contains a DIR coupler represented by formula (I): ##STR1## wherein A represents a coupler residue; R represents an alkyl group having from 1 to 4 carbon atoms or a pyridyl group; and n represents 1 when A represents a phenol type or naphthol type coupler residue, or n represents 0 when A represents other coupler residues, and said emulsion layer contains chemically sensitized silver halide grains which individually have a distinct layer comprising silver iodobromide containing from 7 to 45 mol % of silver iodide and which individually have an overall silver iodide content of more than 4 mol %. The photographic material is excellent in sensitivity, graininess, sharpness, color reproducibility, and preservability and is less liable to variation in photographic performance properties even when continuously processed under replenishment.
REFERENCES:
patent: 4477563 (1984-10-01), Ichijima et al.
patent: 5085979 (1992-02-01), Yamagami et al.
patent: 5126236 (1992-06-01), Mihayashi et al.
patent: 5194369 (1993-03-01), Mihayashi et al.
patent: 5215872 (1993-06-01), Goto et al.
Ichijima Seiji
Kawagishi Toshio
Mihayashi Keiji
Motoki Masuji
Saito Naoki
Fuji Photo Film Co. , Ltd.
Neville Thomas R.
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