Two component electrophotographic developers and preparation method
US5480757A · kind A · utility
2Cited by
32References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 8, 1994 |
| Grant date | Jan 2, 1996 |
| Priority date | — |
| Expiry date | Jun 8, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/09758
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A two component electrophotographic developer and development method. The developer includes carrier particles and toner comprising: polymeric binder; a first agent selected from the group consisting of compounds having the general structure: ##STR1## wherein n is from about 7 to about 21; R.sup.1 and R.sup.2 are each independently H or alkyl having from 1 to about 3 carbons; T represents an unshared electron pair or a proton and a counterion; and R.sup.3 is substituted or unsubstituted alkyl, alkylamide, aryl, or heteroaryl; and a second agent comprising quaternary ammonium salt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.