Process cartridge and electrophotographic apparatus
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United States of America Patent
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Feb 7, 2023
Grant Date -
Jan 28, 2021
app pub date -
Jul 21, 2020
filing date -
Jul 25, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is a process cartridge detachably attachable to a main body of an electrophotographic apparatus, the process cartridge including: a developing unit including a toner; and an electrophotographic photosensitive member, wherein the toner includes a toner particle, the toner particle has a surface containing a polyvalent acid metal salt particle, and a surface layer of the electrophotographic photosensitive member contains at least one metal oxide particle among an aluminum oxide particle, a silicon dioxide particle, and a tin oxide particle.
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