Silver halide photographic material

Details Silver halide photographic material Silver halide photographic material

1982-05-28

1984-02-21

Brown, J. Travis

Radiation imagery chemistry: process, composition, or product th

Color imaging process

Using identified radiation sensitive composition in the...

430553, 430558, G03C 716, G03C 726

Patent

active

044330464

ABSTRACT:
The invention relates to silver halide photographic materials comprising a support and a light sensitive silver halide emulsion layer containing as a cyan-dye-forming coupler a compound of the formula ##STR1## wherein R.sub.1 is a halogen atom, an alkyl, alkoxy or acylamino group; R.sub.2 and R.sub.3 are individually a hydrogen atom, an alkyl or aryl group and R.sub.2 and R.sub.3 may form a heterocyclic group by the condensation thereof; n is an integer of 0-3; R.sub.4 is an alkyl, aryl, acyl or heterocyclic group; R.sub.5 is an alkyl, aryl, alkoxy, amino, acylamino, sulfonamide, carboxy, alkoxycarbonyl, carbamoyl, cyano or halogenated alkyl group; and R.sub.6 is a hydrogen atom or an alkyl, alkoxy, carboxy, carbamoyl, hydroxy, acyloxy, nitro, amino, azo, acylamino, sulfonamide or acyl group.

REFERENCES:
patent: 3476563 (1969-11-01), Loria
patent: 3839044 (1974-10-01), Salminen et al.
patent: 4130427 (1978-12-01), Monbaliu et al.
patent: 4146396 (1979-03-01), Yokota et al.
patent: 4283472 (1981-08-01), Gompf et al.
patent: 4310618 (1982-01-01), Fernandez et al.

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