Process for producing photographic silver halide material

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

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430566, 430600, 430613, 430570, 430581, G03C 184, G03C 140

Patent

active

041938011

ABSTRACT:
A method of incorporating water insoluble additives (e.g. sensitizing dyes) in colloid layers of photographic silver halide material is provided. The additives are dissolved in a fused water soluble organic compound (e.g. sorbitol or succinimide) and the resulting mixture is either directly added to an aqueous photographic emulsion or is dissolved in the minimum of water or organic solvent and this concentrated aqueous solution is then added to the aqueous photographic emulsion and the whole is then coated as a layer which is part of a photographic material.

REFERENCES:
patent: 2322027 (1943-06-01), Jelley et al.
patent: 2852381 (1958-09-01), Minsk et al.
patent: 3287134 (1966-11-01), Kainrath et al.
patent: 3438776 (1969-04-01), Yudelson
patent: 3469987 (1969-09-01), Owens et al.
patent: 3676147 (1972-07-01), Boyer et al.

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