发明授权
US06455216B2 Toner for developing electrostatic latent images, method for forming images and apparatus for forming images
有权
用于显影静电潜像的调色剂,用于形成图像的方法和用于形成图像的装置
- 专利标题: Toner for developing electrostatic latent images, method for forming images and apparatus for forming images
- 专利标题(中): 用于显影静电潜像的调色剂,用于形成图像的方法和用于形成图像的装置
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申请号: US09811576申请日: 2001-03-20
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公开(公告)号: US06455216B2公开(公告)日: 2002-09-24
- 发明人: Hitoshi Nagahama , Toshihiko Murakami , Katsuaki Sumida
- 申请人: Hitoshi Nagahama , Toshihiko Murakami , Katsuaki Sumida
- 优先权: JP2000-130162 20000428
- 主分类号: G03G9087
- IPC分类号: G03G9087
摘要:
A toner for developing electrostatic latent images comprises: a colorant; a polyester resin; a negative charge controlling agent comprised of a chromium complex compound; and a positive charge controlling agent, wherein the polyester resin has an acid value Z of 15 to 33 mgKOH/g, a hydroxyl value Y of 4 to 17 mgKOH/g and a number-average molecular weight (Mn) of 5200-7000.
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