Carrier for two component development system
US9335667B1 · kind B1 · utility
1Cited by
24References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 2, 2015 |
| Grant date | May 10, 2016 |
| Priority date | — |
| Expiry date | Apr 2, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0634
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A two component development system includes a plurality of toner particles that include a colorant and a plurality of toner carrier particles that include a magnetic carrier core having a D50 diameter in a range from about 30 microns to about 40 microns, and a surfactant-polymer coating, the coating being present in an amount in a range from about 0.5 percent by weight to about 1.5 percent by weight of the toner carrier particle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.