Toner
US9971261B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 2, 2017 |
| Grant date | May 15, 2018 |
| Priority date | — |
| Expiry date | Feb 2, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/0918
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrostatic-image developing toner including at least a binder resin; a colorant; and a release agent, wherein an average circularity of particles having a particle diameter in a range of 0.79 times or more but less than 1.15 times as large as a most frequent diameter in a number particle size distribution of the toner is within a range of 1.010 times or more but less than 1.020 times as high as an average circularity of particles having a particle diameter of 1.15 times or more as large as the most frequent diameter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.