Electrophotographic photosensitive member with benzimidazole ring containing hydrazones
AssigneeCanon Kabushiki Kaisha
InventorsMinoru Mabuchi, Kiyoshi Sakai, Shozo Ishikawa, Yuji Egashira, Makoto Kitahara
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Abstract
An electrophotographic photosensitive member comprises a layer containing at least one member of the hydrazone compounds of the formula: ##STR1## where R.sub.1, R.sub.2 and R.sub.3 are selected from the group consisting of substituted or unsubstituted alkyl, substituted or unsubstituted aralkyl, and substituted or unsubstituted aryl, and R.sub.1 and R.sub.2 can not be simultaneously alkyl; and R.sub.4 is substituted or unsubstituted aryl.
Claims17
An electrophotographic photosensitive member which comprises an electrically conductive layer and a layer containing at least one member of the hydrazone compounds of the formula:
- ##STR12## where R.sub.1, R.sub.2 and R.sub.3 are selected from the group consisting of substituted or unsubstituted alkyl, substituted or unsubstituted aralkyl, and substituted or unsubstituted aryl, and R.sub.1 and R.sub.2 can not be simultaneously alkyl;
- and R.sub.4 is substituted or unsubstituted aryl and a binder.
Dependencies are inferred from the claim text.