04385106 is referenced by 74 patents and cites 3 patents.

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.)

Title
Charge transfer layer with styryl hydrazones
Application Number
6/235375
Publication Number
4385106
Application Date
February 19, 1981
Publication Date
May 24, 1983
Inventor
Kiyoshi Sakai
Numazu
JP
Agent
Flynn Thiel Boutell & Tanis
Assignee
Ricoh
JP
IPC
G03G 5/04
G03G 5/14
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