Method for preparing photosensitive silver halide emulsions

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

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156600, 156603, 430569, G03C 102

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042594383

ABSTRACT:
The present invention is directed to a method for preparing a photosensitive silver halide emulsion comprising silver halide grains prepared by simultaneously introducing a solution of ammoniacal silver nitrate and a solution of an ammonium halide into a solution of gelatin and a second ammonium halide. The invention is also directed to photographic elements employing such silver halide emulsions.

REFERENCES:
patent: 2005837 (1935-06-01), Ahrens
patent: 2184013 (1939-12-01), Leermakers
patent: 2576850 (1951-11-01), Murray
patent: 3598593 (1971-08-01), Klinger
patent: 3647458 (1972-03-01), Tagliafico et al.
G. F. Duffin, Photographic Emulsion Chemistry, p. 61, 1966.

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