Pre-fogged direct-positive silver halide photographic light-sens

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing

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430597, 430598, 430600, 430601, 430610, 430613, G03C 1485, G03C 110, G03C 134

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active

058742077

ABSTRACT:
A direct-positive silver halide light-sensitive material comprising a support having thereon at least one pre-fogged light-sensitive silver halide emulsion layer, wherein the light-sensitive material comprises a specific onium salt compound in the emulsion layer or a hydrophilic protective colloid layer adjacent thereto. Also disclosed is a method of preparing a pre-fogged light-sensitive silver halide emulsion for use in the light-sensitive material.

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James, T. H., "The Theory of the Photographic Process", 4th ed., Macmillan, New York, pp. 185-187, 1977.

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