Electrostatic image developing toner and electrostatic image developer
US12314003B2 · kind B2 · utility
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1References
14Claims
0Family size
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Key dates
| Filing date | Oct 29, 2021 |
| Grant date | May 27, 2025 |
| Priority date | — |
| Expiry date | Oct 25, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/09775
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrostatic image developing toner includes a toner particle including a binder resin and a colorant. The net intensity NS of sulfur included in the toner particle and the total net intensity NA of an alkali metal and an alkaline-earth metal included in the toner particle, which are measured by X-ray fluorescence analysis, satisfy 1.0<NS/NA<22.0.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.