| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a black compound for ink for ink jet excellent in moisture resistance, light fastness and gas resistance. <P>SOLUTION: The black compound is represented by general formula (1) [wherein n is an integer of 0-6; M are each independently an alkali metal, an amine or a quaternary ammonium; m is an integer of 0-6; R are each independently a hydrogen atom, a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group; n and m are each independently an integer of 0-6 and n and m are not simultaneously 0]. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
