Photographic material comprising a layer with Ni complex of 2,2'

Details Photographic material comprising a layer with Ni complex of 2,2' Photographic material comprising a layer with Ni complex of 2,2'

1982-08-09

1984-05-01

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...

430213, 430222, 430223, 430372, G03C 140, G03C 554, G03C 700

Patent

active

044462190

ABSTRACT:
In a photographic material suitable for use as image receptor element for the dye diffusion transfer process, a dyeable layer arranged on a layer support contains nickel chelates of a 2,2'-bisphenol corresponding to one of the general formulae I and II as metallizing agents for the formation of colored complexes of organic colorless or colored complex formers. The chelatizable image dyes which are transferred image-wise into the dye absorbent layer in the process of development give rise to the corresponding nickel complexes which have improved light stability. ##STR1## X=S, ##STR2## or --SO.sub.2 --; R.sup.1 =a hydrocarbon group optionally attached through --O-- or a halogen or R.sup.4 ;

REFERENCES:
patent: 3072601 (1963-01-01), Breslow
patent: 3282887 (1966-11-01), Soeder
patent: 3700455 (1972-10-01), Ishikawa et al.
patent: 3843597 (1974-10-01), Stretanski et al.
patent: 4013620 (1977-03-01), Henderson et al.
patent: 4050938 (1977-09-01), Smith et al.
patent: 4273854 (1981-06-01), Hara et al.

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