Mono azo iron complex compound, and charge controlling agent and toner using the same
US7402369B2 · kind B2 · utility
4Cited by
2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 2006 |
| Grant date | Jul 22, 2008 |
| Priority date | — |
| Expiry date | Sep 29, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/09783
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention is to provide a charge controlling agent and negatively chargeable toner that do not contain any toxic metal, are essentially free from the risk of evoking ignition or explosion, and can exhibit a high charge amount and rapid initial increase in charging.The charge controlling agent is a mono azo iron complex compound represented by Formula (1):wherein J represents H, alkali metal, ammonium, or alkyl ammonium, or two or more of those elements in combination.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.