Toner
US9829815B2 · kind B2 · utility
0Cited by
0References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 12, 2016 |
| Grant date | Nov 28, 2017 |
| Priority date | — |
| Expiry date | May 12, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/09392
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
There is provided a toner including toner base particles and an external additive in which the external additive is prevented from being buried in the base particles. The toner can maintain a high transfer efficiency over an extended period of use. The toner includes: (1) toner base particles containing a cycloolefin copolymer and a polyethylene; or (2) toner base particles whose surfaces contain a resin having an elastic deformation rate of 70% or more and a melting temperature of 125.0° C. or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.