Carrier for forming electrophotographic image, developer for forming electrophotographic image, electrophotographic image forming method, electrophotographic image forming apparatus, and process cartridge
US12306582B2 · kind B2 · utility
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15Claims
0Family size
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Key dates
| Filing date | Nov 12, 2020 |
| Grant date | May 20, 2025 |
| Priority date | — |
| Expiry date | May 12, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0808
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A carrier can be used for forming an electrophotographic image. The carrier contains a core particle and a coating layer coating the core particle. The coating layer contains a chargeable particle. The carder has an internal void ratio of 0.0% or greater but less than 2.0%, and an apparent density of 2.0 g/cm3 or greater but less than 2.5 g/cm3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.