发明名称 CRAYON
摘要 The invention provides a crayon having excellent feel when writing while having high gel hardness. The crayon comprises a colorant, a gelling agent, an organic solvent and a resin component, wherein the gelling agent is at least one selected from the group consisting of dibenzylidene sorbitol, tribenzylidene sorbitol and derivatives thereof, and the resin component comprises a combination of polyvinyl butyral resin having an average degree of polymerization of less than 350 and polyvinyl butyral resin having an average degree of polymerization of 350 or more.
申请公布号 US2009209678(A1) 申请公布日期 2009.08.20
申请号 US20070373139 申请日期 2007.07.09
申请人 SAKURA COLOR PRODUCTS CORPORATION 发明人 SUMITOMO KOTARO;TAKAHASHI MASAMITSU;FUKUO HIDETOSHI
分类号 C09D13/00 主分类号 C09D13/00
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