Electrophotographic photosensitive member, and electrophotographic apparatus, device unit, and facsimile machine employing the same
US5558964A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 12, 1994 |
| Grant date | Sep 24, 1996 |
| Priority date | — |
| Expiry date | Dec 12, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G5/0696
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An to an electrophotographic photosensitive member includes a photosensitive layer containing a specified oxytitanium phthalocyanine and a polyvinyl acetal resin having a structural unit represented by Formula: ##STR1## wherein X is a hydrogen atom, a fluorine atom, a chlorine atom, a bromine atom, a nitro group, or a cyano group; and Y is a fluorine atom, a chlorine atom, a bromine atom, a nitro group, or a cyano group. The photosensitive member maintains a low residual potential without deterioration of the sensitivity during repeated use.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.