Silver halide light-sensitive element containing dye

Details Silver halide light-sensitive element containing dye Silver halide light-sensitive element containing dye

1978-07-31

1979-12-18

Brammer, Jack P.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Antihalation or filter layer containing

542444, G03C 184

Patent

active

041792947

ABSTRACT:
A silver halide photographic light-sensitive element which comprises at least one hydrophilic colloid layer containing at least one basic polymer and at least one oxonol dye of the following formula (I): ##STR1## wherein X represents a hydrogen atom, a halogen atom, an alkyl group, an akloxy group, an alkylthio group, an alkoxycarbonyl group or an amino group; Y represents a hydrogen atom, a halogen atom, a sulfo group, a lower alkyl group or a hydroxy group; L represents a methine group; M represents a cation; and n represents a positive integer of from 1 to 3. In this element, the hydrophilic colloid layer can be dyed selectively and the dye can be decolorized readily and completely.

REFERENCES:
patent: 3778273 (1973-12-01), Gernert et al.
patent: 3795519 (1974-03-01), Miyazako et al.
patent: 3932188 (1976-01-01), Tanaka et al.

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