| US 7,572,563 B2 | ||
| Toner for electrostatic image development | ||
| Yutaka Kanamaru, Wakayama (Japan); and Koji Kameyama, Wakayama (Japan) | ||
| Assigned to Kao Corporation, Tokyo (Japan) | ||
| Filed on Nov. 28, 2006, as Appl. No. 11/563,856. | ||
| Claims priority of application No. 2005-364820 (JP), filed on Dec. 19, 2005. | ||
| Prior Publication US 2007/0190440 A1, Aug. 16, 2007 | ||
| Int. Cl. G03G 9/08 (2006.01) | ||
| U.S. Cl. 430—108.2 [430/108.3] | 15 Claims |
| 1. A toner for electrostatic image development comprising a resin binder, a charge control agent, and a colorant, and wherein said charge control agent comprises a metal complex of a salicylic acid compound and a quaternary ammonium salt of a carboxylic acid having a benzoic acid backbone. |