Electrophotographic photoreceptor with an undercoat layer containing a polyimide resin and electrophotographic apparatus with the photoreceptor
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United States of America Patent
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Dec 8, 2009
Grant Date -
Jun 28, 2007
app pub date -
Dec 21, 2004
filing date -
Dec 26, 2003
priority date (Note) -
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Abstract
An electrophotographic photoreceptor that without detriment to excellent electrophotographic performance, realizes coating of any defects on a conductive substrate and excels in repetition stability and environmental performance. There is provided an electrophotographic photoreceptor having a photoreceptive layer superimposed via an undercoat layer on a conductive support, characterized in that the undercoat layer contains a polyimide resin and that at least one of the compounds of the following formulae is contained as a charge transfer agent of the photoreceptive layer.
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