Tetrakisazo photoconductive composition and electrophotographic photoreceptor using the same
US4882249A · kind A · utility
3Cited by
1References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 1988 |
| Grant date | Nov 21, 1989 |
| Priority date | — |
| Expiry date | Sep 12, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G5/0694
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed are a photoconductive composition containing a new tetrakisazo compound of the following formula (1) and an electrophotographic photoreceptor having a photosensitive layer which contains the tetrakisazo compound of the formula (1): ##STR1## wherein R.sup.11, R.sup.12, A, Ar.sup.1, Ar.sup.2, Ar.sup.3, Ar.sup.4, Ar.sup.5, and Ar.sup.6 are defined hereinbefore. The electrophotographic photoreceptor has both high sensitivity and high durability, and the sensitivity thereof is barely lowered even after repeated use.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.