Carrier for electrostatic image development and electrostatic image developer
US10503091B2 · kind B2 · utility
1Cited by
1References
7Claims
0Family size
Assignee
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Key dates
| Filing date | Sep 4, 2018 |
| Grant date | Dec 10, 2019 |
| Priority date | — |
| Expiry date | Sep 4, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/1139
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A carrier for electrostatic image development includes: resin-coated magnetic particles each including a magnetic particle and a resin layer that covers the magnetic particle; and strontium titanate particles composed of primary particles having an average circularity of 0.82 to 0.94 and an 84% cumulative circularity of more than 0.92.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.