专利名称：Spherical toner particle
发明人：Torimoto, Yoshiaki,Shirasaki, Yoshitsugu申请号：EP87109851.3申请日：19870708公开号：EP0253289A2公开日：19880120
摘要：A toner composition is particles substantially in the spherical form andcomprises a binder resin and carbon black, the surface area covered with the carbonblack of the toner particle being 25 percent or smaller of the entire surface area of thetoner particle.
申请人：Kao Corporation
地址：14-10, Nihonbashi Kayabacho 1-chome Chuo-Ku Tokyo 103 JP
国籍：JP
代理机构：Patentanwälte Dr. Solf & Zapf
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