发明授权
- 专利标题： Charge control agent, toner and toner producing method
- 专利标题（中）： 充电控制剂，调色剂和调色剂生产方法
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申请号： US11779648申请日： 2007-07-18
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公开(公告)号： US07709171B2公开(公告)日： 2010-05-04
- 发明人: Atsushi Yamamoto , Chiyoshi Nozaki , Tsuyoshi Nozaki , Mitsuyo Matsumoto , Katsunori Kurose
- 申请人： Atsushi Yamamoto , Chiyoshi Nozaki , Tsuyoshi Nozaki , Mitsuyo Matsumoto , Katsunori Kurose
- 申请人地址： JP Tokyo
- 专利权人： Ricoh Company, Ltd.
- 当前专利权人： Ricoh Company, Ltd.
- 当前专利权人地址： JP Tokyo
- 代理机构： Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- 优先权： JP2006-211457 20060802
- 主分类号： G03G9/097
- IPC分类号： G03G9/097
摘要：
The present invention provides a charge control agent, adapted to control charging ability of resins or compositions containing resins, comprising a copolymer that comprises a polymer block A and a polymer block B, the polymer block A is prepared by copolymerizing a maleimide, which being unsubstituted or substituted for a hydrogen atom of an imide group by an electron-donating group, and styrene or a styrene derivative, and the polymer block B is formed of a polymer of styrene or a styrene derivative.
公开/授权文献
- US20080032223A1 CHARGE CONTROL AGENT, TONER AND TONER PRODUCING METHOD 公开/授权日：2008-02-07
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