Photothermographic recording material comprising sensitizing dye

Details Photothermographic recording material comprising sensitizing dye Photothermographic recording material comprising sensitizing dye

1997-07-08

1999-03-02

Chea, Thorl

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430572, 430584, 430588, 430944, G03C 1498, G03C 120

Patent

active

058769153

ABSTRACT:
A photothermographic recording material comprising a support and a photo-addressable thermally developable element comprising a substantially light-insensitive organic silver salt, a reducing agent therefor in thermal working relationship therewith, photosensitive silver halide spectrally sensitized with a dye and in catalytic association with the substantially light-insensitive organic silver salt and a binder, characterized in that the dye is represented by formula (I): ##STR1## with an anion if necessary for charge compensation, wherein Z.sup.1 and Z.sup.2 independently represent S, O or Se; R.sup.1 and R.sup.13 independently represent an alkylene group; X.sup.1 and X.sup.2 independently represent a --(C.dbd.O)--R.sup.18, a --(SO.sub.2)R.sup.19 or a (S.dbd.O)--R.sup.20 group where R.sup.18, R.sup.19, and R.sup.20 independently represent an alkoxy-, aryloxy-, amino- or substituted amino-group.

REFERENCES:
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patent: 5422234 (1995-06-01), Bauer et al.
patent: 5424174 (1995-06-01), Motokazu et al.
patent: 5424182 (1995-06-01), Marginean, Sr. et al.
patent: 5541054 (1996-07-01), Miller et al.

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