Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge
US10423088B1 · kind B1 · utility
1Cited by
3References
14Claims
0Family size
Assignee
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Key dates
| Filing date | Aug 30, 2018 |
| Grant date | Sep 24, 2019 |
| Priority date | — |
| Expiry date | Aug 30, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0865
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrostatic charge image developing toner includes a styrene-acrylic resin and exhibits a z average molecular weight Mz of 80,000 to 400,000 and a molecular weight distribution curve satisfying Expression (1): 1.3≤b/a≤2.0, and an electrostatic charge image developing toner includes a styrene-acrylic resin, and exhibits a z average molecular weight Mz of 100,000 to 400,000 and a molecular weight distribution curve satisfying Expression (A): 0.75≤(c+d)/(2×d)≤0.95, wherein a, b, c and d are defined in the specification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.