Thermally developable light-sensitive material with a benzoic ac

Details Thermally developable light-sensitive material with a benzoic ac Thermally developable light-sensitive material with a benzoic ac

1978-04-05

1979-05-01

Schilling, Richard L.

Gas separation: apparatus

Electric field separation apparatus

Electrode retaining or supporting means

96 76R, 96 88, 96 91R, 96109, 961141, G03C 192, G03C 134, G03C 100, G03C 172

Patent

active

041521609

ABSTRACT:
A thermally developable light-sensitive material with improved storage stability and a minimized thermal fog without an increase in both light discoloration and dark discoloration which comprises a support and having therein or in at least one layer thereon at least (a) an organic carboxylic acid silver salt comprising about 50 mol% or more of silver behenate, (b) a photocatalyst and (c) a reducing agent, and with the material containing (d) at least one compound (1) represented by the following general formula (I): ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3, which may be the same or different, each represents a hydrogen atom or a substituent selected from the group consisting of a nitro group, a cyano group and a halogen atom, with the proviso that R.sub.1, R.sub.2 and R.sub.3 are not all simultaneously a hydrogen atom, and (2) having a half-neutralization point of from about 40 mV to about 140 mV above the half-neutralization point of benzoic acid in isopropanol.

REFERENCES:
patent: 4022617 (1977-05-01), McGuckin
patent: 4076534 (1978-02-01), Noguchi et al.
"Photothermographic Materials", Research Disclosure, No. 11723, 1/74, pp. 20 & 21.

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