Charge control agent and toner comprising the same
US8088933B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 10, 2008 |
| Grant date | Jan 3, 2012 |
| Priority date | — |
| Expiry date | Oct 5, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/1136
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Discussed herein are a charge control agent and toner comprising said charge control agent. Said toner of the invention is comprised of a resin, a colorant, and the charge control agent, wherein, said charge control agent is comprised of a specific type of metal complexes. In the invention, the charge control agent has excellent charge control properties and the characteristics of uniform crystalline size, high charge speed, high thermo stability, low moisture absorption, and good compatibility with resin. The toner of the invention has excellent electrical characteristics and produces stable image of high quality under a wide range of environmental conditions without dusting and fogging.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.