Silver halide photographic elements containing dithiolone compou

Details Silver halide photographic elements containing dithiolone compou Silver halide photographic elements containing dithiolone compou

1996-03-15

1997-07-29

Huff, Mark F.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430611, 430614, G03C 109

Patent

active

056520905

ABSTRACT:
This invention provides a silver halide photographic element comprising a silver halide emulsion in reactive association with a dithiolone compound represented by the following formula: ##STR1## wherein R.sup.1 and R.sup.2 are independently H, or aliphatic, aromatic or heterocyclic groups, alkoxy groups, hydroxy groups, halogen atoms, aryloxy groups, alkylthio groups, arylthio groups, acyl groups, sulfonyl groups, acyloxy groups, carboxyl groups, cyano groups, sulfo groups, or amino groups, or R.sup.1 and R.sup.2 together represent the atoms necessary to form a five or six-membered ring or a multiple ring system. This invention further provides a method of making silver halide emulsions containing the dithiolone compounds.

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