Electrophotographic member having layer containing methylidenyl hydrazone compound
US4423129A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 30, 1981 |
| Grant date | Dec 27, 1983 |
| Priority date | — |
| Expiry date | Nov 30, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G5/067
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrophotographic photosensitive member is characterized by having a layer which contains at least one hydrazone compound represented by the following formula (1) or (2): ##STR1## wherein R.sub.11 represents substituted or unsubstituted naphthyl; R.sub.12 represents substituted or unsubstituted alkyl, substituted or unsubstituted aralkyl, or substituted or unsubstituted aryl; R.sub.13 represents hydrogen, alkyl, or alkoxy; R.sub.14 and R.sub.15 each represent substituted or unsubstituted alkyl, substituted or unsubstituted aralkyl, or substituted or unsubstituted aryl; n is 0 or 1; when n=1, R.sub.14 and R.sub.15, together with the nitrogen which links them, may complete a cyclic amino group; X represents a group necessary for completing a benzene ring or naphthalene ring; R.sub.21 and R.sub.22 each represent hydrogen, halogen, alkyl, alkoxy or disalkylamino; and R.sub.23, R.sub.24, R.sub.25, R.sub.26 and R.sub.27 each represent substituted or unsubstituted alkyl, substituted or unsubstituted aralkyl, or substituted or unsubstituted aryl.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.