Toner
US11092905B2 · kind B2 · utility
3Cited by
47References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 2019 |
| Grant date | Aug 17, 2021 |
| Priority date | — |
| Expiry date | Dec 3, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/08797
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A toner including: a toner particle that includes a binder resin; and an external additive, wherein a toner hardness A N/m and a toner hardness B N/m satisfy B≥600 and B/A≥1.30, in the formulas, the toner hardness A is an average value of a slope in a displacement region of from 0.00 μm to 0.20 μm when measuring the toner under a condition of a load application speed of 0.83 μN/sec, and the toner hardness B is an average value of a slope in a displacement region of from 0.00 μm to 0.20 μm when measuring the toner under a condition of a load application speed of 2.50 μN/sec.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.