Photoreceptor for electrophotography
US4908289A · kind A · utility
2Cited by
2References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 17, 1986 |
| Grant date | Mar 13, 1990 |
| Priority date | — |
| Expiry date | Dec 17, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G5/0618
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Novel squarylium compounds, a process for the production thereof as well as to a photoreceptor for electrophotography containing the squarylium compound are disclosed, said squarylium compounds being represented by formula (I) or (II): ##STR1## wherein X is a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a hydroxyl group, an alkoxy group having 1 to 4 carbon atoms, or a halogen atom; Y is a hydrogen atom, an alkyl group having 1 to 4 carbon atoms a hydroxyl group or an alkoxyl group having 1 to 4 carbon atoms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.