Light-sensitive material containing silver halide, reducing agen

Details Light-sensitive material containing silver halide, reducing agen Light-sensitive material containing silver halide, reducing agen

1987-03-09

1988-09-20

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Microcapsule, process, composition, or product

430203, 430254, 430264, 430281, 430325, 430330, 430435, 430441, 430484, 430913, 430915, 430919, G03C 168, G03F 726

Patent

active

047725311

ABSTRACT:
A light-sensitive material comprising a light-sensitive layer which contains silver halide, a reducing agent and a polymerizable compound provided on a support, characterized in that the reducing agent is a hydrazine derivative having the following formula (I) or (II): ##STR1## in which R.sup.1 is a monovalent group selected from the group consisting of hydrogen, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aralkyl group, an aryl group and a heterocyclic group, each of which may have one or more substituent groups; each of R.sup.2 and R.sup.3 independently is an aryl group which may have one or more substituent groups, or R.sup.2 and R.sup.3 form, together with the neighboring carbon, a condensed aromatic ring; R.sup.4 is a monovalent group selected from the group consisting of an alkyl group, an aryl group, an alkoxycarbonyl group and carbamoyl, each of which may have one or more substituent groups; (DEV) is a monovalent group having a function of reducing silver halide; and (LINK) is a divalent linkage group.

REFERENCES:
patent: 3746542 (1973-07-01), Hayakawa et al.
patent: 4560637 (1985-12-01), Maeda et al.
patent: 4629676 (1986-12-01), Hayakawa et al.
patent: 4649098 (1987-03-01), Takeda et al.
patent: 4684604 (1987-08-01), Harder

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