Photographic products employing novel nondiffusible metal comple

Details Photographic products employing novel nondiffusible metal comple Photographic products employing novel nondiffusible metal comple

1985-01-02

1985-12-31

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, 430562, G03C 140, G03C 554

Patent

active

045621390

ABSTRACT:
Photographic elements, diffusion transfer assemblages and coordination complexes are described which employ a novel nondiffusible compound capable of releasing at least one diffusible dye moiety having the formula: ##STR1## wherein: (a) D.sup.1, D.sup.2 and D.sup.3 each independently represents the atoms necessary to complete an aromatic heterocyclic nucleus having at least one ring of 5 to 7 atoms;

REFERENCES:
patent: 4148643 (1979-04-01), Chapman et al.
patent: 4346161 (1982-08-01), Krutak et al.
patent: 4358527 (1982-11-01), Bailey et al.
patent: 4407931 (1983-10-01), Evans
"Exchange Studies of Certain Chelate Compounds of the Transitional Metals. Part VIII. 2,2', 2"-Terpyridine Complexes", R. Hogy and R. G. Wilkins, J. Chem. Soc., 341 (1962).
"The Kinetics of Replacement Reactions of Complexes of the Transition Metals with 2,2',2"-Terpyridine", R. H. Holyer, C. D. Hubbard, S. F. A. Kettle and R. G. Wilkins, Inorg. Chem., 622 (1966).
"Effect of Stacking Interactions in Co-ordination Kinetics", G. R. Cayley and D. W. Margerum, J. Chem. Soc. Chem. Comm., 1002 (1974).
"Enhanced Stability of Ternary Complexes in Solution through the Participation of Heteroaromatic N Bases. Comparison of the Coordination Tendency of Pyridine, Imidazole, Ammonia, Acetate, and Hydrogen Phosphate toward Metal Ion Nitrilotriacetate Complexes", D. Banerjea, T. A. Kaden, and H. Sigel, Inorg. Chem., 20, 2586 (1981).

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