Mono azo iron complex compound, and charge controlling agent...

Details Mono azo iron complex compound, and charge controlling agent... Mono azo iron complex compound, and charge controlling agent...

2008-07-22

2008-07-22

RoDee, Christopher (Department: 1795)

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Post imaging process, finishing, or perfecting composition...

C534S613000, C534S581000

Reexamination Certificate

active

11540788

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.

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