ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
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United States of America
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Issued Date -
Jan 30, 2025
app pub date -
Jul 12, 2024
filing date -
Jul 12, 2024
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Abstract
An electrophotographic photosensitive member includes a conductive substrate and a photosensitive layer provided directly or indirectly on the conductive substrate. The photosensitive layer includes a charge generating layer and a charge transport layer. The charge transport layer contains a binder resin, a hole transport material, and a phthalocyanine pigment. The binder resin includes a specific polyarylate resin. The specific polyarylate resin includes a first repeating unit represented by general formula (1), a second repeating unit represented by chemical formula (2), a third repeating unit represented by chemical formula (3), and a fourth repeating unit represented by chemical formula (4).
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