Photographic products and processes employing novel nondiffusibl

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

1983-04-14

1983-11-29

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Imaged product

Nonsilver image

430518, 430519, 260146R, G03C 140, G03C 110, G03C 184, C09B 4500

Patent

active

044181310

ABSTRACT:
Photographic elements, diffusion transfer assemblages, coordination complexes and processes are described which employ a novel nondiffusible compound having a releasable yellow dye moiety or precursor thereof, the compound having the formula: ##STR1## wherein: (a) X represents the atoms necessary to complete a 5- or 6-membered aromatic heterocyclic fused ring;

REFERENCES:
patent: 3254072 (1966-05-01), Stright
patent: 4148643 (1979-04-01), Chapman et al.
patent: 4358527 (1982-11-01), Bailay et al.

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