Compounds which release cyan dyes or dye forming materials

Details Compounds which release cyan dyes or dye forming materials Compounds which release cyan dyes or dye forming materials

1978-08-17

1980-04-01

Schilling, Richard C.

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Diffusion transfer process, element, or identified image...

430505, 430544, 430561, G03C 554, G03C 140, G03C 176, G03C 110

Patent

active

041959930

ABSTRACT:
Cyan azo dye-providing compounds have the formula: ##STR1## wherein: R.sup.1 is selected from the group consisting of aryl, alkyl or NR.sup.11 R.sup.12 wherein R.sup.11 is alkyl or aryl and R.sup.12 is alkyl, or R.sup.11 and R.sup.12, taken together with the nitrogen atom to which they are attached, is a heterocyclic group;

REFERENCES:
patent: 3942987 (1976-03-01), Landholm et al.
patent: 4013635 (1977-02-01), Landholm et al.

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