Silver halide photographic light-sensitive material

Details Silver halide photographic light-sensitive material Silver halide photographic light-sensitive material

1993-09-14

1994-08-23

Brammer, Jack P.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Antihalation or filter layer containing

430517, G03C 106

Patent

active

053407075

ABSTRACT:
A silver halide photographic light-sensitive material containing a dye is disclosed. The dye is represented by a formula ##STR1## wherein R.sub.1 represents a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group; R.sub.2 represents a hydrogen atom, an alkyl group, an aryl group, a heterocyclic group, an alkoxycarbonyl group, an aryloxycarbonyl group, a carbamoyl group, an acylamino group, an ureide group, an amino group, an acyl group, an alkoxy group, an aryloxy group, a hydroxyl group, a carboxyl group, a cyano group, a sulfamoyl group or a sulfonamide group; B represents a 5- or 6-membered oxygen-containing heterocyclic group or a 6-membered nitrogen-containing heterocyclic group; L.sub.1 through L.sub.3 independently represent a methine group; n represents 0 or 1. The compound of formula 1 has at least one carboxyl group, sulfonamide group or sulfamoyl group.

REFERENCES:
patent: 1845404 (1932-02-01), Durr et al.
patent: 2493747 (1950-01-01), Brooker et al.
patent: 2538008 (1951-01-01), Keyes et al.
patent: 4067872 (1978-01-01), Bloom
patent: 4420555 (1983-12-01), Krueger et al.
patent: 4857446 (1989-08-01), Diehl et al.

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