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) G03C 1/015 (2006.01)

Patent

CA 2076991

IMPROVED PROCESS FOR THE PREPARATION OF HIGH CHLORIDE TABULAR GRAIN EMULSIONS (III) Abstract of the Disclosure 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 and a grain growth modifier of the formula: Image where Z8 is -C(R8)= or -N=; R8 is H, NH2 or CH3; and R1 is hydrogen or a hydrocarbon of from 1 to 7 carbon atoms.

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