Toner, developer and developer containing unit
US9753387B2 · kind B2 · utility
1Cited by
0References
10Claims
0Family size
Assignee
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Key dates
| Filing date | May 12, 2016 |
| Grant date | Sep 5, 2017 |
| Priority date | — |
| Expiry date | May 12, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0126
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A toner includes a base particle including a polyester resin and a colorant. A sea-island structure is observed by a transmission electron microscope (TEM) in a cross-sectional image of the toner. The island structure includes the colorant and has an average diameter of from 0.2 μm to 1.0 μm, and the number of the island structure is from 5 to 30.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.