Multiactive electrophotographic element comprising a polyester of a tetramethyl bisphenol A derivative
US5190840A · kind A · utility
6Cited by
17References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 22, 1991 |
| Grant date | Mar 2, 1993 |
| Priority date | — |
| Expiry date | Aug 22, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G5/056
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An improved reusable multiactive electrophotographic element has a charge-transport layer comprising a triarylamine charge-transport material in a binder comprising a polyester containing recurring units having the structure ##STR1##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.