Electrophotographic photoreceptor
US5028505A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 15, 1989 |
| Grant date | Jul 2, 1991 |
| Priority date | — |
| Expiry date | Nov 15, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G5/0637
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrophotographic photoreceptor is disclosed, comprising a conductive substrate having thereon a photosensitive layer, wherein the photosensitive layer comprises at least one compound selected from the group consisting of a compound of formula (I), a compound of formula (II), and a compound of formula (III) as defined below: ##STR1## wherein X.sup.I represents a cyano group, an alkoxycarbonyl group, or an aryloxycarbonyl group; R.sup.I.sub.1 and R.sup.I.sub.2 each represents a hydrogen atom, an alkyl group, an aryl group, an alkoxycarbonyl group, an aryloxycarbonyl group, an alkylcarbonyl group, an arylcarbonyl group, a nitro group, a halogen atom, or a cyano group; A.sup.I represents ##STR2## wherein R.sup.I.sub.3 and R.sup.I.sub.9 each represents a hydrogen atom, an alkyl group, a nitro group, a halogen atom, or a cyano group; and m and n each represents an integer of 0 to 3; ##STR3## wherein X.sup.II represents O, C(CN).sub.2 or C(CO.sub.2 R.sup.II).sub.2, wherein R.sup.II is an alkyl group; R.sup.II.sub.1 and R.sup.II.sub.2 each represents a hydrogen atom, an alkyl group, an aryl group, an alkoxycarbonyl group, an aryloxycarbonyl group, a nitro group, a halogen atom, or a …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.