Electrostatic-image developer and process cartridge
US10852651B2 · kind B2 · utility
0Cited by
2References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 14, 2019 |
| Grant date | Dec 1, 2020 |
| Priority date | — |
| Expiry date | Aug 14, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/1139
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrostatic-image developer includes a toner and a resin-coated carrier. The toner includes toner particles including a binder resin, a release agent, and a non-ionic surfactant. The resin-coated carrier includes magnetic particles and a resin layer covering the magnetic particles. The resin layer includes inorganic particles having a volume resistivity of 1×100 Ω·cm or more and 1×104 Ω·cm or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.