Blended internal latent image emulsions, elements including such

Gas separation: apparatus – Electric field separation apparatus – Electrode cleaner – apparatus part flusher – discharger – or...

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96 63, 96 64, 96 76R, 96107, 96108, G03C 554, G03C 128, G03C 524

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040351858

ABSTRACT:
A photographic silver halide emulsion capable of forming on exposure an internal latent image can be formed having a desired characteristic curve by providing a first photographic silver halide emulsion comprised of silver halide grains internally sensitized with a combination of middle chalcogen and noble metal sensitizers capable of forming on exposure an internal latent image and blending therewith a second, higher contrast photographic silver halide emulsion comprised of silver halide grains internally sensitized with a relatively lower proportion of middle chalcogen to noble metal sensitization. Both the first and second photographic silver halide emulsions are sensitized with the same middle chalcogen and noble metal sensitizers.

REFERENCES:
patent: 3317322 (1967-05-01), Porter et al.
patent: 3761276 (1973-09-01), Evans
patent: 3942986 (1976-03-01), Florens

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