Developing agent
US7846634B2 · kind B2 · utility
1Cited by
0References
18Claims
0Family size
Inventors
Key dates
| Filing date | Nov 30, 2007 |
| Grant date | Dec 7, 2010 |
| Priority date | — |
| Expiry date | Feb 2, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/081
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developing agent including a toner particle obtained by using a dispersion containing a solvent, a granular mixed compound having a binder resin and a coloring agent dispersed in the solvent, and, as an additive to disperse a compound, a combination of a surfactant and a basic compound or a combination of a sulfone-based surfactant and a polycarboxylic acid-based surfactant, wherein the additive remaining in the developing agent is within a predetermine range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.