Electrophotographic developer
US4518673A · kind A · utility
22Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 26, 1983 |
| Grant date | May 21, 1985 |
| Priority date | — |
| Expiry date | Apr 26, 2003 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/08755
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In a developer containing as toner at least a resin component and a coloring agent, when (A) a styrene-acrylic copolymer and (B) a polyester resin is used as the resin component and making the toner to have an electric resistance of 10.sup.13 .OMEGA..cm or higher and a triboelectrification quantity of an absolute value of 5 .mu.C/g or more, the resulting developer shows no offset phenomenon and gives excellent image quantity, transfer efficiency and good productivity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.