发明名称 |
INK COMPOSITION FOR WRITING INSTRUMENT 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 |
US2016068694(A1) |
申请公布日期 |
2016.03.10 |
申请号 |
US201414785664 |
申请日期 |
2014.04.23 |
申请人 |
MITSUBISHI PENCIL COMPANY, LIMITED |
发明人 |
ICHIKAWA Shuji |
分类号 |
C09D11/18;C08K5/19;C09D181/10 |
主分类号 |
C09D11/18 |
代理机构 |
|
代理人 |
|
主权项 |
1. An ink composition for writing instruments containing a coloring 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): |
地址 |
Shinagawa-ku, Tokyo JP |