| 摘要 |
PROBLEM TO BE SOLVED: To obtain a pigment dispersant effective for pigment dispersion in preparation of ink, a coating material, etc., and a pigment composition containing the same. SOLUTION: The pigment dispersant is obtained, for example, by a reaction of the figure. The pigment composition comprises a pigment and the pigment dispersant. COPYRIGHT: (C)2008,JPO&INPIT
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