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AssigneeMita Industrial Co., Ltd.
InventorsToshiyuki Fukami, Hideo Nakamori, Hiroshi Shiomi, Hirofumi Kawaguchi, Hisakazu Uegaito, Nariaki Muto, Mikio Kakui, Keisuke Sumida, Sakae Saito, Maki Uchida
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The present invention provides an electrophotosensitive material having an improved sensitivity in comparison with a conventional one, obtained by combining a trinitrofluorenoneimine derivative represented by the formula (1): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are the same or different and indicate a hydrogen atom, an alkyl group, an alkoxy group, an aryl group which may contain a substituent, an aralkyl group which may contain a substituent, or a halogen atom! as an electron transferring material with a prescribed electric charge generating material or hole transferring material.
An electrophotosensitive material comprising an organic photosensitive layer on a conductive substrate, the organic photosensitive layer comprising a binding resin, at least one selected from bisazo pigments represented by the formulas (I) to (V):
Dependencies are inferred from the claim text.