Photographic products and processes employing novel nondiffusibl

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

1983-06-15

1984-03-13

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Imaged product

Nonsilver image

260146D, 260146R, 260146T, 260147, 430519, G03C 140, C09B 4500

Patent

active

044367996

ABSTRACT:
Photographic elements, diffusion transfer assemblages, coordination complexes and processes are described which employ a novel nondiffusible compound capable of releasing at least one diffusible magenta dye moiety comprising a 4-(2-heterocyclylazo)phenol having a heterocyclic ring fused thereto, the compound having the formula: ##STR1## wherein: (a) X represents the atoms necessary to complete a 5- or 6-membered heterocyclic ring;

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patent: 4142891 (1979-03-01), Baigrie et al.
patent: 4148642 (1979-04-01), Chapman et al.
patent: 4207104 (1980-06-01), Chapman et al.
patent: 4287292 (1981-09-01), Chapman et al.
patent: 4357412 (1982-11-01), Anderson et al.

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