发明授权
- 专利标题： Toner for a two-component type developer
- 专利标题（中）： 用于双组分型显影剂的碳粉
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申请号： EP95305608.2申请日： 1995-08-11
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公开(公告)号： EP0703504B1公开(公告)日： 1999-11-24
- 发明人: Funato, Masatomi, c/o Mita Industrial Co., Ltd. , Ishimaru, Seijiro, c/o Mita Industrial Co., Ltd. , Shimizu, Yoshitake, c/o Mita Industrial Co., Ltd. , Kubo, Norio, c/o Mita Industrial Co., Ltd. , Nagao, Kazuya, c/o Mita Industrial Co., Ltd. , Asano, Terumichi, c/o Mita Industrial Co., Ltd.
- 申请人： MITA INDUSTRIAL CO., LTD.
- 申请人地址： 2-28, 1-chome, Tamatsukuri Chuo-ku Osaka 540 JP
- 专利权人： MITA INDUSTRIAL CO., LTD.
- 当前专利权人： MITA INDUSTRIAL CO., LTD.
- 当前专利权人地址： 2-28, 1-chome, Tamatsukuri Chuo-ku Osaka 540 JP
- 代理机构： Bull, Michael Alan
- 优先权： JP20740894 19940831; JP20740994 19940831; JP20741094 19940831; JP20741194 19940831
- 主分类号： G03G9/087
- IPC分类号： G03G9/087 ; G03G9/083
摘要：
The invention provides toner for a two-component type developer containing toner particles including a binder resin and magnetic powder dispersed in the binder resin. The binder resin in the toner is made of a composition including a low molecular weight polymer and a high molecular weight polymer both having an anionic group. The magnetic powder is contained in the toner particles in the range of 0.1 to 5 parts by weight per 100 parts by weight of the binder resin.
公开/授权文献
- EP0703504A1 Toner for a two-component type developer 公开/授权日：1996-03-27
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