Direct positive color image forming process

Details Direct positive color image forming process Direct positive color image forming process

1987-08-14

1989-09-05

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Color imaging process

Using identified radiation sensitive composition in the...

430406, 430409, 430410, 430471, 430547, 430605, G03C 524, G03C 726

Patent

active

048638390

ABSTRACT:
A process for forming direct positive color photographic image is disclosed whereby a color photographic material having on a support at least one previously unfogged internal latent image-type silver halide emulsion layer and at least color forming coupler is developed, after imagewise exposure, with a surface color developer containing an aromatic primary amine color developing agent while applying thereto a fogging treatment, with or without the presence of a nucleating agent, before or during the development step, and bleaching and fixing (or blixing) the color photographic material, wherein

REFERENCES:
patent: 3761267 (1973-09-01), Brewster et al.
patent: 4115122 (1978-09-01), Adachi et al.
patent: 4444871 (1984-04-01), Miyaoka et al.
patent: 4444874 (1984-04-01), Silverman et al.
patent: 4471044 (1984-09-01), Parton et al.
patent: 4643965 (1987-02-01), Kubota et al.

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