Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 2, 2018
Issued Date -
N/A
app pub date -
Aug 21, 2015
filing date -
Aug 25, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A process cartridge includes an electrophotographic photosensitive member and a gap retaining member, where the electrophotographic photosensitive member includes a first region having an undercoat layer, a charge generating layer, and a charge transporting layer on a support in this order and a second region having an undercoat layer and a charge transporting layer on a support in this order, the undercoat layer contains a metal oxide particle and any one of an urethane resin, an amino resin, and a polyamide resin as a binder resin, and the charge transporting layer contains a charge transporting substance and at least one selected from the group consisting of a polycarbonate resin and a polyester resin, and where the gap retaining member comes into contact with a surface of the second region of the electrophotographic photosensitive member.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2015 Application Filing Year
- G03G Class
- 2726 Applications Filed
- 2597 Patents Issued To-Date
- 95.27 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- G03G Class
- 0 % this patent is cited more than
- 7 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jul 2, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 2, 2029 |
