G - Physics – 03 – C
Patent
G - Physics
03
C
96/100, 96/24, 9
G03C 7/28 (2006.01) G03C 1/498 (2006.01)
Patent
CA 1115108
Abstract Or the Disclosure in a dry physical development photothermographic element for a dry thermal silver-dye bleach process wherein the element comprises a silver halide complexing concen- tration of a silver halide complexing agent improvements are provided when the complexing agent is an organic ammonium chloride, bromide or iodide. After imagewise exposure of the element, a dye image can be produced by uniformly heating the element. Improvements are also produced by providing a dry activator element for producing a dye image in a separate photographic element by means of a dry physical development thermal dye-bleach process, wherein the activator element comprises a support having thereon a layer comprising a synthetic hydrophobic polymeric binder, a silver halide complexing concentration of a silver halide complexing agent, as described, a bleachable dye and a thermal solvent.
325324
Kohrt Carl F.
Willis Roland G.
Eastman Kodak Company
Gowling Lafleur Henderson Llp
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