Electrophotographic printing method, monoazo iron complex compound, charge controlling agent using the same and toner using the charge controlling agent
US7094512B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 18, 2003 |
| Grant date | Aug 22, 2006 |
| Priority date | — |
| Expiry date | Jul 23, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/0918
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrophotographic printing method which comprises using a charge controlling agent containing a monoazo iron complex compound of the formula (1) as an effective component,wherein A1, A2, B1 and B2 are respectively independently H, an alkyl group or a halogen atom, J is H, an alkali metal, NH4 or an alkylammonium, they may be two or more kinds, X1 and X2 are respectively independently H, an alkyl group or a halogen atom, and Y1 and Y2 are respectively independently H, an alkyl group or an aromatic group which may have a substituent, provided that a case in which A1, A2, B1, B2, X1, X2, Y1, and Y2 are hydrogen at the same time is excluded.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.