Silver halide photographic light-sensitive materials

Details Silver halide photographic light-sensitive materials Silver halide photographic light-sensitive materials

1983-03-08

1984-11-27

Louie, Won H.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430600, G03C 134

Patent

active

044851693

ABSTRACT:
The fading of latent images in photographic films or the like containing at least a silver halide emulsion layer is greatly diminished by the addition of a compound of the general formulae ##STR1## to the emulsion layer or another hydrophilic colloid layer. The substituents R.sub.1 to R.sub.4 are defined within.

REFERENCES:
patent: 3526507 (1970-09-01), Ishikawa et al.
patent: 4241164 (1980-12-01), Mifune et al.

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