Toner for developing electrostatic charge image, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method
US11693330B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | Jan 14, 2021 |
| Grant date | Jul 4, 2023 |
| Priority date | — |
| Expiry date | Jul 12, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G21/1814
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A toner for developing an electrostatic charge image contains toner particles containing at least one binder resin; the Mg element in an amount such that the net intensity of x-ray fluorescence from the Mg element in the toner is 0.10 kcps or more and 1.20 kcps or less; and external additives including particles of at least one compound represented by formula (1) and particles of a metal salt of a fatty acid, MTiO3 (1) where M represents at least one selected from the group consisting of Ca, Sr, and Ba.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.