Light-sensitive material with compounds reactive with dye develo

Details Light-sensitive material with compounds reactive with dye develo Light-sensitive material with compounds reactive with dye develo

1986-02-21

1988-08-23

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Thermographic process

Heat applied after imaging

430203, 430214, 430224, 430225, 430243, 430551, 430559, G03C 726, G03C 554

Patent

active

047660562

ABSTRACT:
A heat-developable color light-sensitive material is disclosed, comprising a support having thereon at least one layer containing a light-sensitive silver halide, a binder, a compound containing a color moiety represented by formula (A), and a compound or a precursor thereof which reacts with an oxidized compound formed from the compound of formula (A), thereby converting the oxidized compound into a non-diffusible form, said compound of formula (A) being represented by ##STR1## wherein R.sub.1, R.sub.2, and R.sub.3 each represents a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group, an aralkyl group, an alkoxy group, an aryloxy group, an acylamino group, an alkylthio group, an arylthio group, or a halogen atom, provided that at least one of R.sub.1, R.sub.2, and R.sub.3 represents a hydrogen atom; X represents a chemical bond or a divalent linking group; Dye represents an image-forming dye moiety, and G represents a hydroxyl group or a group capable of forming a hydroxyl group upon heating and/or by the action of a base.
The material provides an image having a low minimum density in highlight areas, and excellent color separation and image preservability.

REFERENCES:
patent: 2983606 (1961-05-01), Rogers
patent: 3173786 (1965-03-01), Green et al.
patent: 3502468 (1970-03-01), Rogers
patent: 3578447 (1971-05-01), Simon
patent: 4511643 (1985-04-01), Toya
patent: 4547452 (1985-10-01), Toya

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