Photographic material with heterocylic azo dye for the silver dy

Details Photographic material with heterocylic azo dye for the silver dy Photographic material with heterocylic azo dye for the silver dy

1985-07-19

1987-04-28

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Color imaging process

Using identified radiation sensitive composition in the...

430562, G03C 140, G03C 726, G03C 552

Patent

active

046614370

ABSTRACT:
A photographic recording material which contains at least one dye of the formula ##STR1## wherein D is the group of atoms necessary to complete a 5-membered ring that contains at least one nitrogen atom, A is hydrogen, alkyl, alkoxy, phenyl, alkylthio, cyano, nitro or halogen, n is 0 to 3, R.sub.1 is hydrogen, alkyl, hydroxyl, acylamino, R.sub.6 is hydrogen or unsubstituted or substituted amino, and R.sub.4 is hydrogen or alkoxy. The material is distinguished by good color reproduction, brilliant colors and excellent lightfastness.

REFERENCES:
patent: 4396710 (1983-08-01), Bergthaller et al.
patent: 4456668 (1984-06-01), Lenoir et al.
patent: 4524123 (1985-06-01), Schenk et al.

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