Photosensitive silver halide material for obtaining...

Details Photosensitive silver halide material for obtaining... Photosensitive silver halide material for obtaining...

G - Physics

03

C

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G03C 1/06 (2006.01) G03C 1/035 (2006.01) G03C 1/053 (2006.01) G03C 1/34 (2006.01)

Patent

CA 1264593

Photosensitive Silver Halide Material For Obtaining Half-Tone Black-And-White Images And Method For Half-Tone High-Contrast Reproduction ABSTRACT OF DISCLOSURE A photosensitive silver halide material for obtaining black and white half-tone dot or line images comprises a fine grain and high-chloride silver halide emulsion reactively associated with an aqueous latex of a hydrophobic vinyl addition polymer in combination with a stabilizer selected from the group consisting of 4-hydroxy- 1,3,3a,7-tetrazaindenes, benzotriazoles and benzimidazoles. The silver halide emulsion has an average grain size lower than or equal to 0.20 micron with at least 60% of its molar halide content consisting of chloride ions. The material allows high-contrast and high resolving power images to be obtained. The material has a good developability in photographic processing and this reduces the development times and increases productivity.

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