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US5759728A Black toner for developing electrostatic latent images with carbon black dispersed in specific distribution 失效
用于以特定分布分散的炭黑显影静电潜像的黑色调色剂

Black toner for developing electrostatic latent images with carbon black
dispersed in specific distribution
摘要:
The present invention relates to a black toner for developing electrostatic latent images, comprising at least a binder resin and carbon black, characterized in that a mean primary particles size and particle size distribution of the carbon black dispersed in the binder resin are adjusted within a specified range.
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