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

1987-06-09

1989-01-24

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Microcapsule, process, composition, or product

430211, 430264, 503221, G03C 554, G03C 168

Patent

active

048001481

ABSTRACT:
A light-sensitive material comprising a light-sensitive layer containing silver halide, a reducing agent, a polymerizable compound and a leuco dye provided on a support, characterized in that the leuco dye is a compound having the following formula (I): ##STR1## in which A is --O--or ##STR2## and R is a substituent having a positive substituent constant (.sigma.); each of R.sup.1 and R.sup.2 is an alkyl group, a cycloalkyl group or an aralkyl group; each of R.sup.3, R.sup.4 and R.sup.5 is an alkyl group, an alkoxy group, a cycloalkyl group, an aralkyl group or an aryloxy group; each of k, l and n is 1 or 2; and m is 0, 1 or 2.

REFERENCES:
patent: 4624910 (1986-11-01), Takeda
patent: 4629676 (1985-09-01), Hayakawa et al.
patent: 4649098 (1987-03-01), Takeda

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