Pyranthrone photoconductor imaging members
US4925760A · kind A · utility
20Cited by
6References
35Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 5, 1988 |
| Grant date | May 15, 1990 |
| Priority date | — |
| Expiry date | Jul 5, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G5/0609
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Disclosed is an improved layered photoresponsive imaging member comprised of a supporting substrate, a vacuum evaporated photogenerator layer comprised of certain pyranthrone pigments including tribromo-8,16-pyranthrenedione and trichloro-8,16-pyranthrenedione; and an aryl amine hole transport layer comprised of molecules of the following formula: ##STR1## dispersed in a resinous binder and wherein X is selected from the group consisting of halogen and alkyl.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.