Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...
Patent
1984-11-07
1985-10-22
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, 430224, 430225, 430226, 430559, 430562, G03C 140, G03C 554
Patent
active
045488886
ABSTRACT:
Photographic elements, diffusion transfer assemblages, coordination complexes and processes are described which employ a novel nondiffusible hydrazone compound capable of releasing at least one diffusible yellow dye or dye precursor thereof having the formula: ##STR1## wherein: (a) Z.sup.1 and Z.sup.2 each independently represents the atoms necessary to complete a 5- or 6-membered aromatic heterocyclic ring;
REFERENCES:
patent: 3628952 (1971-12-01), Puschel et al.
patent: 3736136 (1973-05-01), Danhauser et al.
patent: 3953211 (1976-04-01), Imai et al.
"Preconcentration of Trace Metal Ions by Combined Complexation-Anion Exchange Part I, Cobalt, Zinc and Cadmium with 2-(3'-Sulfobenzoyl)-Pyridine-2-Pyridylhydrazone", Anal. Chem. Acta, 81, (1976), pp. 349-360 by Going, Wesenberg and Andrejat.
Cole Harold E.
Eastman Kodak Company
Schilling Richard L.
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