发明名称 Photosensitive material containing disazo compound for use in electrophotography
摘要 The present invention relates to a novel disazo compound having the following general formula (I), <IMAGE> wherein A represents <IMAGE> <IMAGE> or <IMAGE> (wherein R represents an alkyl, alkoxy, nitro, halogen, cyano or halomethyl group; n represents an integer of 0, 1, 2 or 3; and R may be the same or different when n is an integer of 2 or 3), and a method for preparing the same. The present invention further relates to a photosensitive material for use in electrophotography, characterized by providing a photosensitive layer containing a disazo pigment having the following general formula (VII), <IMAGE> (VII) wherein A1 represents a coupler residue and R' represents hydrogen or a lower alkyl group.
申请公布号 US4666805(A) 申请公布日期 1987.05.19
申请号 US19850743537 申请日期 1985.06.11
申请人 RICOH CO., LTD. 发明人 HASHIMOTO, MITSURU
分类号 C09B35/033;C09B56/16;(IPC1-7):C09B35/039;C09B35/215;G03G5/06;G03G5/14 主分类号 C09B35/033
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