Toner
US7537875B2 · kind B2 · utility
2Cited by
18References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 22, 2005 |
| Grant date | May 26, 2009 |
| Priority date | — |
| Expiry date | Apr 4, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/0975
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In a toner having toner particles which comprise toner base particles containing at least a colorant, a release agent and a polar resin, and an inorganic fine powder, the polar resin is a resin having at least a polyester unit, synthesized in the presence of an aromatic carboxylic acid titanium compound used as a catalyst, and has an acid value of from 3 mgKOH/g to 35 mgKOH/g. The toner base particles are obtained by carrying out granulation in an aqueous medium, and the toner has a weight-average particle diameter of from 4.0 μm to 10.0 μm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.