Process for preparing photographic emulsions having a low fog le

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

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430567, G03C 1005, G03C 1035

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active

054241812

ABSTRACT:
The invention concerns a process for obtaining emulsions of the core/shell type having a low fog level.
The process consists of precipitating, by the double jet method, a photographic emulsion comprising core-shell silver halide grains, the concentrations of halides varying progressively during at least the formation of the core.
Application to reversal or negative photographic products is disclosed.

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T. H. James, The Theory of the Photographic Process, 4th Edition, published by Macmillan, pp. 393-394.

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