Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
US8465889B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 29, 2010 |
| Grant date | Jun 18, 2013 |
| Priority date | — |
| Expiry date | May 2, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G5/072
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
To provide an electrophotographic photosensitive member that can reproduce good images with less positive ghost and also has a good photosensitivity, the electrophotographic photosensitive member is incorporated in its photosensitive layer with a copolymer having a repeating structural unit represented by the formula (1) and a repeating structural unit represented by the formula (2), or a copolymer having a repeating structural unit represented by the formula (1) and a repeating structural unit represented by the formula (3).Z1-A-Z2-E1 (1)Z3-A-Z4—W2—B2—W2 (2)Z5—B3—Z6-E4 (3)
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.