公开(公告)号：US5262264A

公开(公告)日：1993-11-16

申请号：US661027

申请日：1991-02-26

Applicant: Seiichi Shimizu ,  Yoshiyuki Iwanari ,  Masahiro Yoshida ,  Noboru Nakaibayashi ,  Shinji Amaya

Inventor： Seiichi Shimizu ,  Yoshiyuki Iwanari ,  Masahiro Yoshida ,  Noboru Nakaibayashi ,  Shinji Amaya

IPC: G03G9/09

CPC classification number: G03G9/0922 ,  G03G9/09 ,  G03G9/091 ,  G03G9/0912 ,  G03G9/0918 ,  G03G9/092

Abstract: A magenta toner, a yellow toner, a cyan toner, and a black toner each for development of an electrostatic latent image ad a combination of the four color toners for obtaining a full color image are disclosed, the magenta toner containing a naphthol type organic pigment represented by formula (I): ##STR1## the yellow toner containing a disazo type organic pigment represented by formula (II): ##STR2## the cyan toner containing a .beta. type copper phthalocyanine pigment and a polychlorocopper phthalocyanine pigment, and the black toner containing at least one of an isoindolinone type yellow pigment and a tetrachloroisoindolinone type yellow pigment, at least one of a quinacridone type red pigment and a perylene type red pigment, and a phthalocyanine type blue pigment. The color toners are unaffected by environmental changes and capable of providing color images having stable characteristics.

Abstract translation: 公开了用于显影静电潜像的品红色调色剂，黄色调色剂，青色调色剂和黑色调色剂以及用于获得全色图像的四色调色剂的组合，品红色调色剂含有萘酚型有机颜料 （I）表示：（I）含有由式（II）表示的双偶氮型有机颜料的黄色调色剂：（II）含有β型铜酞菁颜料和多氯代酞菁颜料的青色调色剂 ，黑色调色剂含有异吲哚啉酮型黄色颜料和四氯异吲哚啉酮型黄色颜料中的至少一种，喹吖啶酮型红色颜料和苝型红色颜料中的至少一种和酞菁型蓝色颜料。 彩色调色剂不受环境变化的影响，能够提供具有稳定特性的彩色图像。