Silver halide photographic emulsion

Details Silver halide photographic emulsion Silver halide photographic emulsion

1975-09-09

1976-10-12

Brown, J. Travis

Gas separation: apparatus

Electric field separation apparatus

Including gas flow distribution means

96100, 96124, 96131, 96132, G03C 114

Patent

active

039855635

ABSTRACT:
A silver halide photographic emulsion containing, in supersensitizing amounts, at least one sensitizing dye represented by the following General Formula (I): ##EQU1## in which Z.sub.11 represents an atomic group necessary for completing a pyridine or quinoline nucleus; Z.sub.12 represents an atomic group necessary for completing an oxazole, benzoxazole, naphthoxazole, imidazole, benzimidazole or naphthimidazole nucleus; and R.sub.11 and R.sub.12 each represents an aliphatic group and at least one of R.sub.11 and R.sub.12 is an aliphatic group containing a carboxy group or a sulfo group; and at least one sensitizing dye represented by the following General Formula (II): ##EQU2## in which Z.sub.21 represents an atomic group necessary for completing a thiazole, benzothiazole, naphthothiazole, selenazole, benzoselenazole or naphthoselenazole nucleus; Z.sub.22 represents an atomic group necessary for completing an imidazole, benzimidazole or naphthimidazole nucleus; an R.sub.21 and R.sub.22 each represents an aliphatic group, and at least one of R.sub.21 and R.sub.22 is an aliphatic group containing a carboxy group or a sulfo group.

REFERENCES:
patent: 3149105 (1964-09-01), Lariue et al.
patent: 3672898 (1972-06-01), Schwan et al.
patent: 3752670 (1973-08-01), Needler et al.
patent: 3847613 (1974-11-01), Sakazume et al.

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