Layered electrophotographic photosensitive element having hydrazone charge transport material
US4424266A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 23, 1981 |
| Grant date | Jan 3, 1984 |
| Priority date | — |
| Expiry date | Sep 23, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G5/0679
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrophotographic photosensitive element having a conductive support provided thereon with a photosensitive layer comprising (i) a carrier-generating phase layer containing a carrier-generating material selected from the group consisting of perylene dyes, polycyclic quinones and azo dyes and (ii) a carrier-transporting phase layer containing a carrier-transporting material wherein said carrier-transporting phase comprises a hydrazone compound represented by the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represent an aryl group which may have a substituent or substituents, and Ar represents an arylene group which may have a substituent or substituents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.