Photothermographische Elemente
A photothermographic element comprising a support bearing an image forming system comprising: (a) a photosensitive silver halide (b) an organic silver compound (c) a polymer binder and (d) a reducing agent for the organic silver compound, characterised in that the reducing agent comprises a redox-dy...
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| creator | SIK CHIU POON, STEPHEN VAN THIEN, TRAN, HARLOW ESSEX CM18 6BE, GB SWAIN, STEVEN 43 THE RIDINGS, HERTFORDSHIRE, CM23 4EJ, GB |
| description | A photothermographic element comprising a support bearing an image forming system comprising: (a) a photosensitive silver halide (b) an organic silver compound (c) a polymer binder and (d) a reducing agent for the organic silver compound, characterised in that the reducing agent comprises a redox-dye-releasing compound of the general formula: R - @ - A - D in which: R represents an organic group which may be oxidatively cleaved to a thermally immobile form, A represents a bond or a divalent linking group having a chain consisting of up to 12 atoms, which is linked to the carbonyl group via a carbon atom or an oxygen atom, and D represents the chromophore of a thermally mobile dye. n |
| format | Patent |
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| subjects | AUXILIARY PROCESSES IN PHOTOGRAPHY CHEMISTRY CINEMATOGRAPHY ELECTROGRAPHY HETEROCYCLIC COMPOUNDS HOLOGRAPHY METALLURGY ORGANIC CHEMISTRY PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS |
| title | Photothermographische Elemente |
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