发明名称 |
INK COMPOSITION FOR WRITING UTENSIL AND COLORING MATERIAL |
摘要 |
Provided are an ink composition for writing instruments which has a good solubility of a coloring material in an ink solvent and which is less liable to cause bleeding and feathering on the written lines and is improved in a water resistance, and a coloring material used for preparing the above ink composition. The coloring material includes a material obtained by adding at least one selected from a leuco dye, a halochromic dye and a photochromic compound to a compound represented by the following Formula (I):
The ink composition for writing instruments is characterized by containing the coloring material described above. |
申请公布号 |
EP2995659(A4) |
申请公布日期 |
2016.12.07 |
申请号 |
EP20140794728 |
申请日期 |
2014.04.23 |
申请人 |
Mitsubishi Pencil Co., Ltd. |
发明人 |
ICHIKAWA Shuji |
分类号 |
C09D11/16;C08K5/19;C09D11/17;C09D11/18;C09D11/50;C09D181/10 |
主分类号 |
C09D11/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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