发明授权
- 专利标题： Toner and developer
- 专利标题（中）： 墨粉和开发商
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申请号： US13684883申请日： 2012-11-26
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公开(公告)号： US08795940B2公开(公告)日： 2014-08-05
- 发明人: Tsuyoshi Sugimoto , Hiroshi Yamashita , Daisuke Asahina , Rintaro Takahashi , Masahide Yamada , Shinya Nakayama , Atsushi Yamamoto , Shingo Sakashita
- 申请人： Tsuyoshi Sugimoto , Hiroshi Yamashita , Daisuke Asahina , Rintaro Takahashi , Masahide Yamada , Shinya Nakayama , Atsushi Yamamoto , Shingo Sakashita
- 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： JP2011-274074 20111215; JP2012-211947 20120926
- 主分类号： G03G9/08
- IPC分类号： G03G9/08
摘要：
To provide a toner, including at least: a non-crystalline polyester resin; and a crystalline polyester resin, wherein the toner has a glass transition temperature in a first heating Tg1st and a glass transition temperature in a second heating Tg2nd, and a difference between Tg1st and Tg2nd (Tg1st-Tg2nd) is 10° C. or greater, and wherein the crystalline polyester resin is a modified crystalline polyester resin having a urethane skeleton or a urea skeleton, or both thereof.
公开/授权文献
- US20130157184A1 TONER AND DEVELOPER 公开/授权日：2013-06-20