| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide oily ink for a marking pen, having sufficiently excellent water resistance, especially the water resistance of hardly allowing a written line to be dropped from a written surface soaked in water, and sufficiently suppressing the repellency. <P>SOLUTION: The oily ink for the marking pen contains a pigment, an isoparaffin-based hydrocarbon, and a petroleum resin soluble in the isoparaffin-based hydrocarbon. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
