Hydrophilic colloid layer of a photographic element...

Details Hydrophilic colloid layer of a photographic element... Hydrophilic colloid layer of a photographic element...

G - Physics

03

C

96/100, 96/147,

G03C 1/72 (2006.01) G03C 1/053 (2006.01) G03C 1/42 (2006.01) G03C 5/30 (2006.01)

Patent

CA 1098754

Abstract of the Disclosure A photographic element is disclosed having coated on a support a hydrophilic colloid layer containing an activator precursor and loaded polymer particles of from 0.02 to 0.2 micron in average diameter. The polymer parti- cles consist essentially of a hydrophobic polymer of which at least 2 percent by weight is comprised of ionizable repeating units, at least half being cationically ionizable, and a hydrophobic developing agent present in a weight ratio to the polymer of from about 1:4 to 3:1. Silver halide is present in the hydrophilic colloid layer or in an adjacent layer, and the activator precursor is present in a concen- tration of from 1 to 4 equivalent for each mole of silver halide. The photographic element is capable of being thermally processed.

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