发明名称 Erasable writing ink composition.
摘要 <p>The present invention provides an erasable writing ink composition which can be erased with an eraser after writing. The erasable writing ink composition of the present invention comprises 2 to 50% by weight of a resin preferably a styrene-butadiene rubber or an acrylonitrile-butadiene rubber, having a film-forming temperature of 0 DEG C or less or a glass transition temperature of 0 DEG C or less, a surface active agent, colored spherical fine particles and of water.</p>
申请公布号 EP0556668(A1) 申请公布日期 1993.08.25
申请号 EP19930101827 申请日期 1993.02.05
申请人 MITSUBISHI PENCIL KABUSHIKI KAISHA 发明人 YOSHIOKA, KOJI;OGIWARA, YASUAKI;FURUSAWA, MITSUHIKO;KOBAYASHI, KYOKO
分类号 C09D11/16;C09D11/17 主分类号 C09D11/16
代理机构 代理人
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