Photoconductive imaging members with unsymmetrical squaraine compounds containing an hydroxyl group
US4624904A · kind A · utility
43Cited by
4References
49Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 28, 1985 |
| Grant date | Nov 25, 1986 |
| Priority date | — |
| Expiry date | Jun 28, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G5/0618
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Disclosed are unsymmetrical squaraine compounds of the following formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are independently selected from the group consisting of alkyl, aryl heterocyclic, benzyl, and halobenzyl; and X.sub.1, X.sub.2 and X.sub.3 are independently selected from the group consisting of hydrogen, alkyl, halogen, carboxy, and hydroxy; and photoresponsive imaging members having incorporated therein the aforementioned squaraine compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.