High contrast photographic silver halide material

Details High contrast photographic silver halide material High contrast photographic silver halide material

1995-03-07

1996-04-30

Le, Hoa Van

Radiation imagery chemistry: process, composition, or product th

Silver halide colloid tanning process, composition, or product

430502, 430509, 430598, G03C 146

Patent

active

055124151

ABSTRACT:
A high-contrast photographic element, adapted for use in the field of graphic arts, includes a hydrazide nucleator and an amine booster and comprises a silver halide emulsion layer which is capable of forming a latent image under conditions of use and a second silver halide emulsion layer which is not capable of forming a latent image under conditions of use.

REFERENCES:
patent: 4746593 (1988-05-01), Kitchin et al.
patent: 4920034 (1990-04-01), Sasaoka et al.
patent: 5185232 (1993-02-01), Sasaoka
patent: 5190850 (1993-03-01), Sakai et al.
patent: 5279933 (1994-01-01), Gingello et al.
patent: 5372921 (1994-12-01), Gingello et al.

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