发明授权
- 专利标题： Negatively charged colored toner compositions
- 专利标题（中）： 带负电的彩色调色剂组合物
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申请号： US150584申请日： 1988-02-01
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公开(公告)号： US4837101A公开(公告)日： 1989-06-06
- 发明人: Robert J. Gruber , John F. Knapp , Ronald J. Koch , Lawrence Floyd, Jr.
- 申请人： Robert J. Gruber , John F. Knapp , Ronald J. Koch , Lawrence Floyd, Jr.
- 申请人地址： CT Stamford
- 专利权人： Xerox Corporation
- 当前专利权人： Xerox Corporation
- 当前专利权人地址： CT Stamford
- 主分类号： G03G9/08
- IPC分类号： G03G9/08 ; G03G9/09 ; G03G9/097 ; G03G9/113
摘要：
A negatively charged developer composition comprised of a toner composition with an average particle diameter of from about 4 to about 9 microns containing a mixture of styrene butadiene copolymers, and styrene methacrylate copolymers; pigment particles selected from the group consisting of cyan, magenta, yellow, red, blue, green, brown, and mixtures thereof; first external additive particles of colloidal silica; second external additive particles of fatty acid metal salts; and carrier particles comprised of a ferrite core with a polymeric coating thereover, which coating has dispersed therein conductive particles.
公开/授权文献
- US4306971A Water purifying apparatus 公开/授权日：1981-12-22
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