Electrophotographic photosensitive member and apparatus and process cartridge provided with the same
US5876890A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 23, 1997 |
| Grant date | Mar 2, 1999 |
| Priority date | — |
| Expiry date | May 23, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G5/14756
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A surface layer of a photosensitive layer contains a resin comprising a structural unit represented by the following general formula (1), and at least one compound of a triarylamine compound represented by the following general formula (2) and a styryl compound represented by the following general formula (3): ##STR1## wherein, X is --CR.sub.13 R.sub.14 --, substituted or unsubstituted cycloalkylidene, substituted or unsubstituted .alpha.,.omega.-alkylene, single bond, --O--, --S--, --SO-- or --SO.sub.2 --, wherein R.sub.13 and R.sub.14 are each hydrogen, trifluoromethyl, or substituted or unsubstituted alkyl or aryl, and R.sub.1 to R.sub.12 are each hydrogen, halogen, or substituted or unsubstituted alkyl or aryl; ##STR2## wherein Y is hydrogen, halogen, substituted or unsubstituted alkyl or alkoxy, or ##STR3## wherein R.sub.15 ' to R.sub.24 ' are each hydrogen, halogen, substituted or unsubstituted alkyl or alkoxy, R.sub.15 to R.sub.27 are each hydrogen, halogen, substituted or unsubstituted alkyl or alkoxy, and R.sub.28 and R.sub.29 are each hydrogen or substituted or unsubstituted alkyl, aralkyl or aryl; ##STR4## wherein Z is --CH.sub.2 CH.sub.2 -- or --CH.dbd.CH--, R.sub.30 an…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.