Bipolar electrophotographic elements
US6022656A · kind A · utility
5Cited by
9References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 30, 1998 |
| Grant date | Feb 8, 2000 |
| Priority date | — |
| Expiry date | Apr 30, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G5/0659
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A photoconductive element comprising an electrically conductive support and at least one active layer, said active layer comprising N-(p-(di-p-tolylamino)phenyl)-N'-(1,2-dimethylpropyl)-1,4,5,8-naphthalenet etracarboxylic diimide and one or more perylene dyes of structure I: ##STR1## wherein R.sub.1 and R.sub.2 are, each independently, ##STR2## and R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, R.sub.8, R.sub.9, R.sub.10, R.sub.11 and R.sub.12 are, each independently, H, CH.sub.3, or C.sub.2 -C.sub.4 alkyl, linear or branched.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.