Electrophotographic photosensitive member
US4399208A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 9, 1981 |
| Grant date | Aug 16, 1983 |
| Priority date | — |
| Expiry date | Nov 9, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G5/0672
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrophotographic photosensitive member is characterized by having a layer containing at least one hydrazone compound represented by the following formula [I] or [II]: ##STR1## wherein R.sub.11 and R.sub.12 represent hydrogen, halogen, substituted or unsubstituted alkyl, alkoxy, substituted or unsubstituted aryloxy, or substituted amino, provided that at least one of R.sub.11 and R.sub.12 is substituted amino or alkoxy; R.sub.13 and R.sub.14 represent substituted or unsubstituted alkyl or substituted or unsubstituted aryl, provided that at least one of R.sub.13 and R.sub.14 is substituted or unsubstituted aryl, or R.sub.13 and R.sub.14, together with the nitrogen atom which links them, represent a nitrogen-containing heterocyclic ring; R.sub.15, R.sub.16, R.sub.17, and R.sub.18 represent hydrogen, halogen, substituted or unsubstituted alkyl, alkoxy, substituted or unsubstituted aryloxy, or substituted amino; m and n represent 0 or 1; R.sub.21 and R.sub.22 represent substituted or unsubstituted alkyl, or substituted or unsubstituted aryl, or R.sub.21 and R.sub.22, together with the nitrogen atom which links them, represent a five- or six-membered ring; R.sub.23 and R.sub.24 rep…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.