Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...
Patent
1979-12-04
1981-07-28
Brown, J. Travis
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified radiation sensitive composition with color...
430614, G03C 134
Patent
active
042810590
ABSTRACT:
A photographic material comprising a support and at least one silver halide emulsion layer coated thereon, which material comprises a compound represented by the following general formula [I]: ##STR1## wherein R.sup.1 represents a hydrogen atom or a substituted or unsubstituted aryl group, R.sup.2 and R.sup.3 individually represents a hydrogen atom, an alkyl group, alkenyl group, a substituted or unsubstituted aryl group, or R.sup.2 and R.sup.3 represent nonmetal atoms necessary for forming by their mutual linkage a 5- or 6-membered ring, and R.sup.4 represents a hydrogen atom, an alkyl group, alkenyl group, a substituted or unsubstituted aryl group or a group of the general formula ##STR2## wherein X represents the group --(CH.sub.2).sub.n -- wherein n is an integer from 0 to 4, or an allylene group.
REFERENCES:
patent: 3804633 (1974-04-01), Sakamoto et al.
patent: 3808005 (1974-04-01), Willems et al.
patent: 3843372 (1974-10-01), Jefferson
Kishi Ken-ichi
Sasaki Takashi
Brown J. Travis
Konishiroku Photo Industry Co,., Ltd.
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