Photographic recording material and non-diffusing compounds to b

Details Photographic recording material and non-diffusing compounds to b Photographic recording material and non-diffusing compounds to b

1981-04-09

1983-04-26

Brown, J. Travis

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Diffusion transfer process, element, or identified image...

430220, 430242, 430559, 430958, G03C 500

Patent

active

043813399

ABSTRACT:
Novel non-diffusing reducible compounds of formula I which under alkaline development conditions release a diffusible photographically useful compound are of use in color diffusion transfer processes. ##STR1## R.sup.0 completes a ring system; E represents a reducible group;

REFERENCES:
patent: 3980479 (1976-09-01), Fields et al.
patent: 4139379 (1979-02-01), Chasman et al.
patent: 4139389 (1979-02-01), Hinshaw et al.
patent: 4232107 (1980-11-01), Janssens

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