Photographic recording material with arylazocyanoacetic ester dy

Details Photographic recording material with arylazocyanoacetic ester dy Photographic recording material with arylazocyanoacetic ester dy

1982-04-23

1983-07-12

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430223, G03C 554, G03C 700, G03C 110, G03C 140

Patent

active

043931324

ABSTRACT:
For the production of light-fast yellow images (transfer images and retained images) by the dye diffusion transfer process dye-releasers are useful which on development release diffusible azo dyes which can complex with nickel or copper ions and which in one of their tautomeric forms correspond to the general formula: ##STR1## wherein R.sup.1 represents alkyl, alkenyl or cycloalkyl having up to 8 carbon atoms,

REFERENCES:
patent: 3134672 (1964-05-01), Blout et al.
patent: 3994731 (1976-11-01), Maekawa et al.
patent: 4148643 (1979-04-01), Chapman et al.

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