High contrast photographic element including an aryl...

Details High contrast photographic element including an aryl... High contrast photographic element including an aryl...

G - Physics

03

C

96/107

G03C 1/10 (2006.01) G03C 1/06 (2006.01) G03C 1/42 (2006.01) G03C 5/26 (2006.01)

Patent

CA 2038299

ABSTRACT Silver halide photographic elements which are capable of high contrast development having incorporated therein, as a nucleating agent, an aryl sulfonamidophenyl hydrazide of the formula: Image where R is a monovalent group comprised of at least three repeating ethyleneoxy units, m is 1 to 6, Y is a divalent aromatic radical, and R1 is hydrogen or a blocking group.

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