Electrophotographic recording medium containing .tau. and .eta. metal-free phthalocyanine
US4507374A · kind A · utility
11Cited by
6References
15Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Apr 15, 1983 |
| Grant date | Mar 26, 1985 |
| Priority date | — |
| Expiry date | Apr 15, 2003 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G5/0696
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The disclosure is concerned with an electrophotographic recording medium having a layer of a photoconductive material containing at least one member selected from the group consisting of .tau., .tau.', .eta., and/or .eta.' form metal free phthalocyanine, the layer being formed on an electroconductive supporter. The recording medium of this invention is characterized in that the recording medium exhibits high sensitivity to longer wavelength light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.