会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 4. 发明授权
    • Color toner for electrophotography
    • 彩色电子照相调色剂
    • US4888263A
    • 1989-12-19
    • US939382
    • 1986-12-08
    • Masami TomitaYoshihiro NomuraNoriaki IdeKazumi Ohtaki
    • Masami TomitaYoshihiro NomuraNoriaki IdeKazumi Ohtaki
    • G03G9/09
    • G03G9/0908
    • This invention relates to a color toner for electrophotography containing a coloring agent and a binder resin as the main components, said coloring agent comprising at least one of the anthraquinone derivatives expressed by the following general formula (I), ##STR1## wherein R.sup.1 represents hydrogen or an alkyl group having at least 6 carbon atoms and R.sup.2 represents hydrogen, an alkyl group having at least 6 carbon atoms or phenyl group.This invention further relates to a color toner for electrophotography containing a coloring agent and a binder resin as the main components, in addition to said anthraquinone derivatives of the general formula (I), said coloring agent further comprising at least one of the compounds expressed by the following chemical formulas (II) and (III): ##STR2##
    • 本发明涉及含有着色剂和粘合剂树脂作为主要成分的电子照相用彩色调色剂,所述着色剂包括由以下通式(I)表示的至少一种蒽醌衍生物,其中 R 1表示氢或具有至少6个碳原子的烷基,R 2表示氢,具有至少6个碳原子的烷基或苯基。 本发明还涉及含有着色剂和粘合剂树脂作为主要成分的用于电子照相的彩色调色剂,除了通式(I)的所述蒽醌衍生物之外,所述着色剂还包含至少一种由 (II)和(III)的化学式(II):(III)