G - Physics – 03 – C
Patent
G - Physics
03
C
96/100, 96/60
G03C 5/38 (2006.01) G03C 1/498 (2006.01)
Patent
CA 1140789
Abstract of the Disclosure An activator-stabilizer precursor which comprises a certain acylhydrazlne which releases a base moiety upon being heated to a temperature above about 130°C provides improved heat developable and heat stabilizable photographic materials comprising, in binder, and in reactive association, (a) a photosensitive silver salt, (b) a photosensitive silver salt developing agent, and (c) a stabilizing concen- tration Or the described activator-stabilizer precursor having an acid portion and a base portion. The heat developable and heat stabilizable photographic element provides essential freedom from visual crystal formation in the processed photographic element. After imagewise exposure, a developed and stabilized image can be produced in the photoeraphic element by heating the element to processing temperature.
319419
Morrow Lawrence R.
Shiao Daniel D.
Eastman Kodak Company
Gowling Lafleur Henderson Llp
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