Invention Grant
US07867682B2 Toner for developing electrostatic image, and developer, toner container, image forming apparatus and process cartridge using the toner
有权
用于显影静电图像的调色剂和显影剂，调色剂容器，成像设备和使用调色剂的处理盒
- Patent Title: Toner for developing electrostatic image, and developer, toner container, image forming apparatus and process cartridge using the toner
- Patent Title (中): 用于显影静电图像的调色剂和显影剂，调色剂容器，成像设备和使用调色剂的处理盒
-
Application No.: US11685313Application Date: 2007-03-13
-
Publication No.: US07867682B2Publication Date: 2011-01-11
- Inventor: Tsuyoshi Nozaki , Chiyoshi Nozaki , Minoru Nakamura , Atsushi Yamamoto
- Applicant: Tsuyoshi Nozaki , Chiyoshi Nozaki , Minoru Nakamura , Atsushi Yamamoto
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company Limited
- Current Assignee: Ricoh Company Limited
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2006-071935 20060316
- Main IPC: G03G9/00
- IPC: G03G9/00
Abstract:
A toner including a core including at least a colorant, a release agent and a first binder resin; and a shell located overlying the core and including at least a second binder resin, wherein the first binder resin includes a polyester resin including a unit obtained from a diol selected from the group consisting of aliphatic diols and alicyclic diols, and the second binder resin includes a vinyl copolymer, and wherein a weight ratio (S/C) of the shell (S) to the core (C) is from 0.05 to 0.5 and the toner has a volume average particle diameter of from 3 to 8 μm.
Public/Granted literature
Information query
