Warm image tone providing photographic element

Details Warm image tone providing photographic element Warm image tone providing photographic element

1975-12-03

1977-03-22

Kelley, Mary F.

Gas separation: apparatus

Electric field separation apparatus

Ionizing electrode details

961146, G03C 106, G03C 102

Patent

active

040134709

ABSTRACT:
A photographic element containing an incorporated developing agent is disclosed which forms a photographic print having a warm image tone upon successive processing in an alkaline activator bath and a stabilizer bath. The element is comprised of a reflective nonporous support bearing a silver halide emulsion layer which forms a viewable silver image therein upon processing. The emulsion layer contains an azaindene antifoggant. The element additionally contains in or adjacent the emulsion layer a warm image tone providing mixture of a quaternary ammonium salt and a silver salt of a heterocyclic mercaptan.

REFERENCES:
patent: 3155519 (1964-11-01), Blake
patent: 3615490 (1971-10-01), Gaffin

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