Electrostatic image developing toner
US5413891A · kind A · utility
13Cited by
2References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 13, 1994 |
| Grant date | May 9, 1995 |
| Priority date | — |
| Expiry date | Apr 13, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/104
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrophotographic toner containing a compound of the following formula (1): ##STR1## wherein X is a wherein A is an electron attractive group, and each of R.sub.1 and R.sub.2 which are independent of each other, is a hydrogen atom, a halogen atom, an alkyl group, a cycloalkyl group, an alkoxy group, an aryl group, an aralkyl group or a hydroxyl group, or R.sub.1 and R.sub.2 together form a ring), ##STR2## wherein A, R.sub.1 and R.sub.2 are as defined above), or ##STR3## wherein A, R.sub.1 and R.sub.2 are as defined above), and Y is a hydrogen atom, an alkyl group or an aryl group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.