G - Physics – 03 – C
Patent
G - Physics
03
C
G03C 1/494 (2006.01) G03C 1/498 (2006.01)
Patent
CA 2202017
A method of obtaining a photothermographic or thermographic film with reduced fog, such as pepper fog, comprises preparing a dispersion of: an oxidation-reduction image-forming combination comprising: a silver salt oxidizing agent and an organic reducing agent with: a synthetic polymer-peptized photosensitive silver halide, and a cyclic imide toner in a non-gelatin polymeric binder and mixing with said dispersion a sensitizing concentration of non-silveriodide salt the improvement wherein said non-silver iodide salt contains less than about 100 micrograms of formate per gram of iodide salt or the film contains less than about 0.5 micrograms of formate per gram of emulsion in the film.
Alton Alfred J.
Besse James P.
Cowdery-Corvan Peter J.
Magee Leo J. Jr.
Martin Michael W.
Eastman Kodak Company
Gowling Lafleur Henderson Llp
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