Dual layer electrophotographic photoreceptor comprises titanium phthalocyanine charge generator and hydrazone charge transport materials
US4725519A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 1, 1985 |
| Grant date | Feb 16, 1988 |
| Priority date | — |
| Expiry date | Oct 1, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G5/0696
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A dual layer photoreceptor for use in electrophotography, wherein a charge transport layer containing a hydrazone compound and a binder polymer is laminated on a charge generation layer containing a titanium phthalocyanine compound of the formula: ##STR1## wherein X represents hydrogen atom, lower alkyl group, lower alkoxy group, allyloxy group, nitro group, cyano group, hydroxy group, benzyloxy group or halogen atom, Y represents halogen atom, alkoxy group or oxygen atom, n represents an integer of 1 or 2 and m represents an integer of 0 to 4, and a binder polymer, formed on an electroconductive substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.