Electrophotographic photosensitive member, process cartridge, and image forming apparatus
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United States of America Patent
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May 4, 2021
Grant Date -
Jul 23, 2020
app pub date -
Jan 10, 2020
filing date -
Jan 18, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A photosensitive layer included in an electrophotographic photosensitive member contains at least a charge generating material, a hole transport material, and a binder resin. The hole transport material includes a compound (1). The binder resin includes a polyarylate resin having at least one repeating unit (10) and at least one repeating unit (11). Alternatively, the binder resin includes a polycarbonate resin having a repeating unit (20) and a repeating unit (21). The general formulas (1), (10), (11), (20), and (21) are as follows
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