White light handeable direct-positive silver halide photographic

Details White light handeable direct-positive silver halide photographic White light handeable direct-positive silver halide photographic

1988-07-08

1989-07-18

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Antihalation or filter layer containing

430517, 430522, 430596, 430597, 430606, G03C 1485

Patent

active

048493260

ABSTRACT:
UV-sensitive direct positive silver halide photographic elements for duplicating processes which can be safely handled under white light, said elements comprising a support base, a hydrophilic colloidal silver halide emulsion layer comprising fogged silver halide grains, and one or more hydrophilic colloidal layers, wherein said silver halide emulsion is reactively associated with a water-removable UV-absorbing compound having at least 80% of the absorption in the range from 350 to 400 .mu.m.

REFERENCES:
patent: 4045229 (1977-08-01), Weber, II et al.
patent: 4140531 (1979-02-01), Jamieson
patent: 4232116 (1980-11-01), Jamieson
patent: 4495274 (1985-01-01), Yoshida

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