发明名称 LEAD REFILL FOR WRITING, DRAWING AND/OR PAINTING DEVICES AND METHOD FOR THE PRODUCTION THEREOF
摘要 A polymer-bound lead refill for writing, drawing and/or painting devices, in particular for pencils or colored pencils, including at least one binding agent, at least one wax, at least one coloring agent and at least one filling agent. The lead refill including at least one surfactant.
申请公布号 EP3074473(A1) 申请公布日期 2016.10.05
申请号 EP20140802318 申请日期 2014.11.07
申请人 STAEDTLER MARS GMBH & CO. KG 发明人 HERBOLSHEIMER, JOHANNES
分类号 C09D13/00 主分类号 C09D13/00
代理机构 代理人
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