| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide ink for a ballpoint pen, which can reduce ink dropping in a mass, and further afford light feel of writing. <P>SOLUTION: The oil-based ink composition for a ballpoint pen includes at least a cyclohexanone-ketone resin and ethylene glycol monopropylether. <P>COPYRIGHT: (C)2012,JPO&INPIT |
