Electrostatic charge image developing toner and electrostatic charge image developer
US12189334B2 · kind B2 · utility
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2References
17Claims
0Family size
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Key dates
| Filing date | Oct 13, 2021 |
| Grant date | Jan 7, 2025 |
| Priority date | — |
| Expiry date | Feb 9, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/09733
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrostatic charge image developing toner includes a toner particle that contains a binder resin having an acid value of 5 mgKOH/g or more and 25 mgKOH/g or less, and a pigment having an isoindoline skeleton, in which a total Net intensity NA of an alkali metal and an alkaline earth metal, which is measured by fluorescent X-ray analysis, in the toner particle is 1.50 kcps or more and 4.00 kcps or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.