| 发明名称 | Toner for developing electrostatic images and developer | ||
| 摘要 | A toner includes an amorphous resin; and a crystalline polyester resin dispersed in the amorphous resin. The crystalline polyester resin has a volume-average particle diameter (Dv) of from 0.07 to 0.20 μm, and a ratio (Dv/Dn) of the volume-average particle diameter (Dv) to a number-average particle diameter (Dn) thereof of from 1.00 to 2.25. | ||
| 申请公布号 | US9389528(B2) | 申请公布日期 | 2016.07.12 |
| 申请号 | US201414470033 | 申请日期 | 2014.08.27 |
| 申请人 | Ricoh Company, Ltd. | 发明人 | Kumai Mio;Sugiura Hideki |
| 分类号 | G03G9/087;G03G9/08 | 主分类号 | G03G9/087 |
| 代理机构 | Oblon, McClelland, Maier & Neustadt, L.L.P | 代理人 | Oblon, McClelland, Maier & Neustadt, L.L.P |
| 主权项 | 1. A toner, comprising: an amorphous resin; and a crystalline polyester resin dispersed in the amorphous resin, wherein the crystalline polyester resin is present in a micro crystalline polyester resin phase, and wherein the crystalline polyester resin has a volume-average particle diameter (Dv) of from 0.07 to 0.20 μm, and a ratio (Dv/Dn) of the volume-average particle diameter (Dv) to a number-average particle diameter (Dn) thereof of from 1.00 to 2.25. | ||
| 地址 | Tokyo JP | ||