Diffusion transfer material and process

Details Diffusion transfer material and process Diffusion transfer material and process

1983-10-26

1984-10-16

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...

430559, G03C 140, G03C 700, G03C 554

Patent

active

044775547

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 dye moiety for the production of a dye image and corresponds to the following general formula (G): ##STR1## wherein: R.sup.8 is hydrogen or methyl in the 6- or 7-position (indicated by an asterisk) on the saturated adjacent ring part of the quinonoid nucleus,

REFERENCES:
patent: 4232107 (1980-11-01), Janssens
patent: 4371604 (1983-02-01), de Sande et al.

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