Process for the preparation of high chloride tabular grain...

Details Process for the preparation of high chloride tabular grain... Process for the preparation of high chloride tabular grain...

G - Physics

03

C

G03C 1/035 (2006.01) G03C 1/005 (2006.01) G03C 1/07 (2006.01)

Patent

CA 2095218

2095218 9306522 PCTABS00021 A process of preparing a radiation sensitive high chloride high aspect ratio tabular grain emulsion is disclosed wherein silver ion is introduced into a gelatino-peptizer dispersing medium containing a stoichiometric excess of chloride ions of less than 0.5 molar, a pH of at least 4.6, and a triaminopyrimidine grain growth modifier containing mutually independent 4, 5 and 6 ring position amino substituents, the 4 and 6 ring position substituents being hydroamino substituents.

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