Toner
US8828633B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2010 |
| Grant date | Sep 9, 2014 |
| Priority date | — |
| Expiry date | Dec 20, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/08726
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
To obtain a toner which has excellent charge rise and stability, tends to have a sharp charge distribution, has excellent pigment dispersion properties, exhibits no disarray in an image even during a high-speed copying operation, and can stably output high-resolution images. A toner comprising toner particle containing a binder resin, a colorant, resin PA, and resin PB, wherein the resin PA has unit A represented by Formula (1), the resin PB has unit B represented by Formula (2), a content “a” of the unit A in the toner particle is 2.00 μmol/g or more, and a molar ratio b/a of the content “a” and a content “b” of the unit B in the toner particle is 0.10 or more and 10.00 or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.