Photographic light sensitive element

Details Photographic light sensitive element Photographic light sensitive element

1981-12-23

1983-01-11

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430222, 430223, 430226, 260146R, G03C 140, G03C 110

Patent

active

043682600

ABSTRACT:
A photographic light-sensitive element which comprises on a support a light-sensitive silver halide emulsion layer and having associated therewith a non-diffusible compound capable of, under alkaline condition, releasing a diffusible azo dye, said compound having the formula (1), ##STR1## wherein X represents a group of atoms necessary to complete a naphthalene ring or a benzene ring, G.sup.1 represents a hydroxy group, a salt thereof or a hydrolyzable precursor thereof, G.sup.2 represents a carboxy group, a salt thereof or a hydrolyzable precursor thereof, a hydroxy group, a salt thereof or a hydrolyzable precursor thereof, R.sup.1 is a hydrogen atom, an alkyl group or an aryl group, R.sup.2 is a hydrogen atom, an alkyl group or an aryl group, R.sup.2 represents a hydrogen atom, a halogen atom, an alkyl group, a carboxy group, a carbamoyl group or an amino group, each of which group may be substituted, R.sup.3 represents a hydrogen atom, a carboxy group, a carbamoyl group, a cyano group or a trifluoromethyl group, J represents a divalent linking group, Y represents a ballasted carrier moiety capable of releasing said diffusible dye under alkaline condition as a function of development of silver halide, m represents an integer of 1 to 3 and n represents zero or an positive integer not larger than m.

REFERENCES:
patent: 3563739 (1971-02-01), Idelson
patent: 4139383 (1979-02-01), Odenwalder et al.
patent: 4142891 (1979-03-01), Baigtie et al.

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