Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product
Patent
1988-06-02
1991-06-18
McCamish, Marion E.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Radiation-sensitive composition or product
430 83, 430 72, G03G 1502, G03G 1509, G03G 1500, G03G 1506
Patent
active
050249118
ABSTRACT:
An electrophotographic photoreceptor is disclosed, comprising an electrically conductive substrate having thereon and a light-sensitive layer, said light-sensitive layer comprising an electric charge generating layer and an electric charge transporting layer, wherein the electric charge generating layer contains an electric charge generating organic pigment having positive hole transporting properties and a pyrylium compound represented by the formula (I) or (II): ##STR1## wherein X is an oxygen atom or a sulfur atom; R.sub.1 to R.sub.5 are each a hydrogen atom, and alkyl group, a cycloalkyl group, an alkoxycarbonyl group, a benzyl group, a substituted or unsubstituted styryl group, or a substituted or unsubstituted phenyl group, and Z.sup..crclbar. is an anion.
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Akasaki Yutaka
Aonuma Hidekazu
Nukada Katsumi
Sato Katsuhiro
Suto Hidemi
Crossan Stephen C.
Fuji 'Xerox Co., Ltd.
McCamish Marion E.
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