Silver salt-toner co-precipitates and imaging materials

Details Silver salt-toner co-precipitates and imaging materials Silver salt-toner co-precipitates and imaging materials

2006-03-07

2006-03-07

Schilling, Richard L. (Department: 1752)

Radiation imagery chemistry: process, composition, or product th

Luminescent imaging

C430S353000, C430S502000, C430S618000, C430S619000, C430S964000, C430S965000, C503S210000, C548S105000, C556S117000

Reexamination Certificate

active

07008748

ABSTRACT:
Thermally developable materials such as thermographic and photothermographic materials include a co-precipitate comprising first and second organic silver salts, the first organic silver salt comprising a silver salt of a nitrogen-containing heterocyclic compound containing an imino group, and the second organic silver salt comprising a silver salt of a mercaptotriazole. The first organic silver salt can be used in the imaging process as a source of reducible silver ions, and the second organic silver salt can be a source of a toning agent. The co-precipitate can be prepared using double-jet precipitation techniques to provide an aqueous dispersion that can be used in imaging formulations.

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