Nondiffusible compounds having a releasable azo dye moiety

Details Nondiffusible compounds having a releasable azo dye moiety Nondiffusible compounds having a releasable azo dye moiety

1979-03-23

1981-06-09

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260146R, 260152, 260155, 260157, 260158, 260162, 260163, 546289, 546307, 548262, C09B 2936, C09B 2942, C09B 2944

Patent

active

042724341

ABSTRACT:
Photographic elements, diffusion transfer assemblages and processes are described which employ a nondiffusible compound having a releasable azo dye moiety having the formula: ##STR1## wherein: Z represents the atoms necessary to complete an aromatic carbocyclic or heterocyclic nucleus having at least one ring of 5 to 7 atoms;

REFERENCES:
patent: 2983608 (1961-05-01), Beavers
patent: 3751406 (1973-08-01), Bloom
patent: 3929760 (1975-12-01), Landholm et al.
patent: 3931144 (1976-01-01), Eldredge et al.
patent: 4147544 (1979-04-01), Anderson et al.
patent: 4148622 (1979-04-01), Chapman et al.
patent: 4148641 (1979-04-01), Green et al.

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