Trisazo electrophotographic photoreceptor
US4977051A · kind A · utility
17Cited by
8References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 8, 1989 |
| Grant date | Dec 11, 1990 |
| Priority date | — |
| Expiry date | Nov 8, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G5/0688
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrophotographic photoreceptor is disclosed, which comprises an electrically conductive support having thereon a layer which contains a charge carrier transporting compound and a charge carrier generating compound, or a layer which contains charge carrier transporting compound and a layer which contains a charge generating compound, wherein at least one type of tris-azo compound represented by formula (I) is included as a charge carrier generating compound: ##STR1## wherein Ar.sub.1, Ar.sub.2, Ar.sub.3, Ar.sub.4 and A are as defined in the specification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.