Organic photoconductors having improved pre-exposure fatigue resistance and blooming properties
US4666811A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 13, 1985 |
| Grant date | May 19, 1987 |
| Priority date | — |
| Expiry date | May 13, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G5/0618
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Disclosed are compounds of the formula ##STR1## wherein n is 1 or 2; R.sup.1 and R.sup.2 are alkyl or aralkyl; R.sup.3 is alkyl; when n is 1, R.sup.4 is alkyl, aralkyl, alkenyl, aralkenyl, aryl or a polyether radical having up to 10 ether groups; and when n is 2, R.sup.4 is alkylene, aralkylene, alkenylene, aralkenylene, arylene or a divalent polyether radical having up to 10 ether groups. The compounds are highly efficacious organic photoconductors for use in electrophotography, exhibiting improved pre-exposure fatigue resistance and blooming properties as compared with known photoconductors. Photoconductive elements containing these compounds are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.