Dye-containing silver halide photographic light-sensitive materi

Gas separation: apparatus – Electric field separation apparatus – Electrode retaining or supporting means

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G03C 184

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active

039842479

ABSTRACT:
A photographic light-sensitive material comprising at least one hydrophilic colloid layer containing at least one dye represented by the following formula (I): ##SPC1##
wherein R.sup.1 represents an alkyl group, a carboxy group, an alkoxycarbonyl group, a carbamoyl group, an alkylcarbamoyl group, a sulfamoyl group, an alkylsulfamoyl group, an acyl group, a hydroxy group, an alkoxy group, an alkylthio group, an amino group, a ureido group, an alkylureido group, a thioureido group or an alkylthioureido group; Q represents a sulfoalkyl group, a sulfoalkoxyalkyl group or a sulfoalkylthioalkyl group; L represents a methine group; n is 0 or 1; R.sup.2 represents --OR.sup.5 or ##EQU1## wherein R.sup.5, R.sup.6 and R.sup.7 each represents a hydrogen atom or an alkyl group; R.sup.3 represents a hydroxy group, an alkoxy group or an alkyl group; and R.sup.4 represents a hydrogen atom, an alkyl group, an alkoxy group, a sulfoalkoxy group, an alkylamino group or a dialkylamino group.

REFERENCES:
patent: 3647460 (1972-03-01), Hofman
patent: 3865817 (1975-02-01), Kobayashi et al.
patent: 3928856 (1975-12-01), Nakazawa et al.

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