Photographic products and processes employing novel nondiffusibl

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

1978-07-24

1979-08-21

Schilling, Richard L.

Gas separation: apparatus

Solid sorbent apparatus

Soluble or deliquescent type

96 84R, 96112, 260146R, 260156, G03C 184, C09B 4500, C09B 2922, C09B 2936

Patent

active

041652380

ABSTRACT:
Photographic elements, diffusion transfer assemblages and processes are described which employ a novel nondiffusible compound having a releasable 2-(5-nitro-2-pyridylazo)-1-naphthol dye moiety. The compound contains a ballasted carrier moiety which is capable of releasing the diffusible azo dye under alkaline conditions. The dye is transferred imagewise to an image-receiving layer where it is contacted with metal ions to form a metal-complexed azo dye transfer image of excellent stability.

REFERENCES:
patent: 4008211 (1977-02-01), Lienhard et al.

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