Photographic products and processes employing novel nondiffusibl

Details Photographic products and processes employing novel nondiffusibl Photographic products and processes employing novel nondiffusibl

1981-07-13

1982-11-02

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...

430222, 430226, 430241, 430242, 430562, G03C 140, G03C 110, G03C 554, G03C 700

Patent

active

043574106

ABSTRACT:
Photographic elements, diffusion transfer assemblages and processes are described which employ a novel nondiffusible compound having a releasable, pyridylazo(dialkylamino)phenol magenta dye moiety or precursor thereof, having the formula: ##STR1## wherein: (a) R represents hydrogen, a hydrolyzable moiety, or may be taken together with the NHSO.sub.2 group to which it is attached to form CAR;

REFERENCES:
patent: 2864813 (1958-12-01), Bossard et al.
patent: 3051697 (1962-08-01), Lewis et al.
patent: 3118871 (1964-01-01), Brody et al.
patent: 4142891 (1979-03-01), Baigrie et al.
patent: 4195992 (1980-04-01), Stolzenburg et al.

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