| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a basic colorant excelling in heat resistance compared with conventional one. <P>SOLUTION: The basic colorant has an anion shown by formula (1). In the formula (1), R denotes an n-valent organic group composed of 1-16 atoms (however, a hydrogen atom is excluded), and n denotes the integer of 2-4. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
