Toner
US8367289B2 · kind B2 · utility
29Cited by
1References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 24, 2009 |
| Grant date | Feb 5, 2013 |
| Priority date | — |
| Expiry date | Jun 3, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/08782
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A toner is provided which is excellent in development stability in both a low-temperature, low-humidity environment and a high-temperature, high-humidity environment over a long time period. The toner includes toner particles containing at least a binder resin and a colorant, and a fatty acid metal salt. The fatty acid metal salt has a volume-based median diameter (D50s) of 0.15 μm or more and 0.65 μm or less, and the liberation ratio of the fatty acid metal salt in the toner is 1.0% or more and 25.0% or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.