发明名称 Electrophotographic element containing hydrazone compounds in charge transport layers
摘要 An electrophotographic element which comprises a conductive substrate and a photosensitive layer, superposed thereon, consisting of a charge generation layer and a charge transport layer, said charge transport layer containing as an available ingredient a hydrazone compound having the following general formula (I): <IMAGE> (I) (where R is a hydrogen atom, an alkyl group, of from one to six carbon atoms, an alkoxyl group of from one to six carbon atoms, a substituted or non-substituted dialkylamino group, halogen, a nitro group or a hydroxyl group. n is an integer of 1-5. In case where n is 2 or more, R may be the same or different.).
申请公布号 US4387147(A) 申请公布日期 1983.06.07
申请号 US19800212306 申请日期 1980.12.03
申请人 RICOH CO., LTD. 发明人 SAKAI, KIYOSHI
分类号 G03G5/06;(IPC1-7):G03G5/14 主分类号 G03G5/06
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