Nucleated high contrast photographic elements containing tetraaz

Details Nucleated high contrast photographic elements containing tetraaz Nucleated high contrast photographic elements containing tetraaz

1992-03-02

1993-10-26

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Silver halide colloid tanning process, composition, or product

430598, 430565, G03C 106

Patent

active

052565190

ABSTRACT:
Silver halide photographic elements which are capable of high contrast development and are especially useful in the field of graphic arts have incorporated therein a hydrazine compound which functions as a nucleator, an amino compound which functions as an incorporated booster, and a 2-substituted-4-hydroxy-1,3,3a,7-tetraazaindene which functions to inhibit pepper fog.

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