Process of forming a high-contrast silver image

Details Process of forming a high-contrast silver image Process of forming a high-contrast silver image

1978-01-16

1980-03-11

Kelley, Mary F.

Radiation imagery chemistry: process, composition, or product th

Post imaging processing

Containing developer in element

430265, 430949, 430546, 430448, 430441, G03C 530

Patent

active

041926820

ABSTRACT:
Process of forming a high-contrast silver image which process comprises treating a light-sensitive silver halide photographic material comprising a support, a silver halide emulsion layer coated thereon and another hydrophilic colloidal layer, at least one of which contains a substantially non-diffusible compound having oxidation power on a hydroquinone developing agent, with a developer containing no hydroquinone developing agent after exposed imagewise.

REFERENCES:
patent: 2735765 (1956-02-01), Loria
patent: 3740226 (1973-06-01), Dappen
patent: 3847619 (1974-11-01), Bissonette
patent: 3909268 (1975-09-01), Baldassarri
patent: 3928043 (1975-12-01), Ciurca
patent: 3957491 (1976-05-01), Ohi
patent: 3980479 (1976-09-01), Fields et al.

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