| US 7,476,481 B2 | ||
| Electrostatic charge image developing toner and production process for the same | ||
| Yasumitsu Fujino, Akishima (Japan); Hideaki Ueda, Kishiwada (Japan); Seishi Ojima, Hachioji (Japan); and Fumie Motoori, Otsushi (Japan) | ||
| Assigned to Konica Minolta Business Technologies, Inc., Chiyoda-Ku, Tokyo (Japan) | ||
| Filed on Nov. 05, 2004, as Appl. No. 10/981,536. | ||
| Claims priority of application No. 2003-379810 (JP), filed on Nov. 10, 2003. | ||
| Prior Publication US 2005/0100809 A1, May 12, 2005 | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. G03G 9/093 (2006.01) | ||
| U.S. Cl. 430—110.2 [430/137.11; 430/137.14] | 13 Claims |
| 1. An electrostatic charge image developing toner comprising core particles formed by flocculating and fusion-bonding at least resin particles of polyester resin and colorant particles, and a middle coating layer and an outermost coating layer formed by flocculating and fusion-bonding resin particles for coating the core particles, wherein a wax is added to the resin particles used for forming said core particles or said middle coating layer, and wherein the resin of the resin particles containing the wax is a polyester resin. |