Electrophotographic photosensitive member, and process cartridge and electrophotographic apparatus including the photosensitive member
US6335132B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 21, 2000 |
| Grant date | Jan 1, 2002 |
| Priority date | — |
| Expiry date | Jun 21, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G5/0696
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrophotographic photosensitive member capable of forming images with less defects, such as ghost, while retaining a high photo-sensitivity, is provided. The photosensitive member includes a support and a photosensitive layer disposed on the support, wherein said photosensitive layer contains a phthalocyanine pigment and an azo calix[n]arene compound represented by the formula (1) below: wherein n denotes an integer of 4-8; R1, R2 and R3 independently denote a hydrogen atom or alkyl group; Ar denotes an aromatic hydrocarbon ring group capable of having a substituent, a heterocyclic group capable of having a substituent, or a combination of a plurality of these groups bonded to each other directly or via a bonding group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.