Squarylium compound in an electrophotographic element
US4707427A · kind A · utility
9Cited by
4References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 29, 1986 |
| Grant date | Nov 17, 1987 |
| Priority date | — |
| Expiry date | Dec 29, 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): ##STR1## wherein R is a straight-chain alkyl group having 2 or more carbon atoms or --C.sub.2 H.sub.4 X, wherein X is a hydroxyl group, a halogen atom or the group --OR.sub.1 wherein R.sub.1 is an alkyl group having 1 to 6 carbon atoms, or a substituted or unsubstituted phenyl group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.