| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an ink composition having high clarity and improved light resistance which is a weak point of a xanthene dye. <P>SOLUTION: There is provided the ink composition containing two kinds of compounds which are the xanthene dye or a salt thereof and an anthrapyridone compound represented by formula (1) [wherein, R<SP POS="POST">1</SP>represents 1-5C alkyl or the like; and X represents a group represented by a certain specific formula] or a salt thereof. <P>COPYRIGHT: (C)2012,JPO&INPIT |
