Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and method for producing electrophotographic photosensitive member
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United States of America Patent
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May 19, 2020
Grant Date -
Oct 10, 2019
app pub date -
Apr 5, 2019
filing date -
Apr 10, 2018
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An electrophotographic photosensitive member includes an undercoat layer, a charge generation layer, and a charge transport layer in this order. The undercoat layer contains a cured product of a composition containing an electron transport material, a particle having an average primary particle size of 10 nm or more, and a silicone oil. A content of the particle in the undercoat layer is 3% by mass or more and 20% by mass or less. A content of the silicone oil in the undercoat layer is 0.01% by mass or more and 10% by mass or less relative to the content of the particle.
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
CANON KABUSHIKI KAISHA | 30-2 SHIMOMARUKO 3-CHOME OHTA-KU TOKYO 1468501 JAPAN |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Ishiduka, Yuka | Suntou-gun, JP | 61 | 879 |
# of filed Patents : 61 Total Citations : 879 | |||
Maruyama, Akihiro | Mishima, JP | 52 | 397 |
# of filed Patents : 52 Total Citations : 397 | |||
Nishi, Masashi | Susono, JP | 33 | 155 |
# of filed Patents : 33 Total Citations : 155 | |||
Sekido, Kunihiko | Suntou-gun, JP | 68 | 768 |
# of filed Patents : 68 Total Citations : 768 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Nov 19, 2027 |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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