Nondiffusible azo dye-releasing compounds

Details Nondiffusible azo dye-releasing compounds Nondiffusible azo dye-releasing compounds

1979-03-29

1980-10-14

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260141, 260146D, 260147, 260149, 260152, 260154, 260155, 260156, 260157, 260158, 260162, 260163, 260193, 260205, 260206, 2602071, 260465D, C09B 2932, C09B 3312, C09B 3314

Patent

active

042280737

ABSTRACT:
Photographic elements, diffusion transfer assemblages and processes are described which employ a novel nondiffusible compound having a releasable azo dye moiety. The compound has the formula: ##STR1## wherein: G is a metal chelating group (or a salt or hydrolyzable precursor thereof) or a group which together with a ##STR2## group is CAR (bonded through the oxygen); G.sup.1 is a hydroxy group (or a salt or hydrolyzable precursor thereof);

REFERENCES:
patent: 3148062 (1964-09-01), Whitmore et al.
patent: 4108850 (1978-08-01), Fields et al.

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