Carrier and developer compositions
US7378211B2 · kind B2 · utility
0Cited by
13References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 15, 2005 |
| Grant date | May 27, 2008 |
| Priority date | — |
| Expiry date | Sep 9, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/1075
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A carrier composition having magnetite with a diameter of from about 80 microns to about 150 microns, and wherein the carrier has a conductivity of from about 10−8 to about 10−11 (ohms-cm)−1 and a carrier breakdown voltage of from about 20 to about 200 volts, and a developer composition with toner and this carrier composition, and also including a developer housing apparatus and an electrostatographic apparatus comprising the developer housing apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.