Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...
Patent
1981-03-31
1983-02-01
Schilling, Richard L.
Radiation imagery chemistry: process, composition, or product th
Transfer procedure between image and image layer, image...
Diffusion transfer process, element, or identified image...
430218, 430219, 430505, 430543, 430559, 430564, 430566, 430607, 430955, G03C 140, G03C 700, G03C 110
Patent
active
043716040
ABSTRACT:
A photographic material for diffusion transfer photography containing a quinonoid compound, which is capable in reduced state and under alkaline conditions of releasing a photographically useful group and corresponds to one of the following general formulae: ##STR1## wherein: each of (Nuox).sup.1 and (Nuox).sup.2 (same or different) represents an oxidized nucleophilic group,
REFERENCES:
patent: 4232107 (1980-11-01), Jannssens
Janssens Wilhelmus
Lassig Wolfgang
Meier Ernst
Van de Sande Christian C.
Agfa-Gevaert N.V.
Breiner A. W.
Schilling Richard L.
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