Tanning development in low silver photoimaging using polymeric c

Radiation imagery chemistry: process – composition – or product th – Silver halide colloid tanning process – composition – or product

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430270, 430381, 430548, G03C 130, G03C 106, G03C 536, G03C 526

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active

045768943

ABSTRACT:
A photoimaging system and method for photoimaging employing said photoimaging system, the latter comprising (i) a photosensitive element having a substrate coated with a photosensitive layer containing dispersed silver halide particles in operative association with a continuous film-forming phase of polymeric coupler, the coupler characterized by the ability to couple with the developing agent of component (ii) to become insoluble in aqueous media; and (ii) an oxidized hydroquinone or aminophenol-type developing agent.

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Tull, J. Photog. Sci. 24, 158 to 167 (1976).
"The Theory of the Photographic Process", Fourth Edition, edited by James, MacMillan Publishing Co., Inc., New York, 1977, pp. 326, 327, 347 and 348.

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