Photographic light-sensitive element having a dyed layer

Details Photographic light-sensitive element having a dyed layer Photographic light-sensitive element having a dyed layer

1976-09-01

1978-01-10

Welsh, John D.

Gas separation: apparatus

Electric field separation apparatus

Electrode retaining or supporting means

252300, 96 73, 542453, 542476, G03C 184

Patent

active

040677389

ABSTRACT:
A silver halide photographic light-sensitive element containing at least one dye represented by general formula (I) set forth below in at least one hydrophilic colloid layer of the silver halide photographic light-sensitive element: ##STR1## wherein X represents an amino group, a hydroxy group or an alkoxy group; m represents 0 or 1; Q represents an aryl group substituted with at least one of a sulfo group, a sulfoalkyl group or a carboxy group; R.sup.1 represents an aliphatic group; R.sup.2 and R.sup.3, which may be the same or different, each represents a hydrogen atom, an alkyl group, an alkoxycarbonyl group, an acyl group or a carboxy group; L.sup.1, L.sup.2, L.sup.3 and L.sub.4 each represents a methine group, an alkyl substituted methine group or a phenyl substituted methine group; and n represents 0 or 1.

REFERENCES:
patent: 3282699 (1966-11-01), Jones et al.
patent: 3427310 (1969-02-01), Gaspar

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