Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product
Patent
1981-02-19
1983-05-24
Martin, Jr., Roland E.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Radiation-sensitive composition or product
430 58, G03G 514, G03G 504
Patent
active
043851061
ABSTRACT:
The present invention provides a novel hydrazone compound expressed by the general formula I ##STR1## (wherein Ar represents substituted or non-substituted naphthyl group, anthryl group, styryl group, pyridyl group, thienyl group, furyl group or carbazolyl group.);
the process for manufacturing thereof; and a multilayer type electrophotographic element comprising an electrically conductive substrate and a charge carrier generating layer and a charge transfer layer as successively superposed on said substrate, said charge transfer layer containing a hydrazone compound, as effective ingredient, expressed by the general formula II ##STR2## (wherien Ar' represents condensed polycyclic rings such as substituted or non-substituted naphthalene ring, anthracene ring and the like; heterocyclic rings such as substituted or non-substituted furan ring, thiophene ring, pyridine ring, carbazole ring and the like; or substituted or non-substituted styryl group.)
REFERENCES:
patent: 4150987 (1979-04-01), Anderson et al.
patent: 4256821 (1981-03-01), Enomoto et al.
patent: 4278747 (1981-07-01), Murazama et al.
Martin Jr. Roland E.
Ricoh Co. Ltd.
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