Amide substituted dye compounds and silver halide photographic e

Details Amide substituted dye compounds and silver halide photographic e Amide substituted dye compounds and silver halide photographic e

1992-11-19

1994-05-31

Baxter, Janet C.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430582, 430583, 430584, 430586, 430587, 430588, G03C 1035, G03C 114

Patent

active

053169042

ABSTRACT:
Dyes and photographic elements containing them as silver halide sensitizing dyes, which dyes have the structure: ##STR1## wherein: X1 and X2 each independently represent the atoms necessary to complete a benzo-condensed 5- or 6-membered heterocyclic nucleus, which, in addition to being substituted by Z1 and Z2 respectively, may be further substituted or unsubstituted;

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