BLACK COMPOUND AND INK CONTAINING THE SAME

PROBLEM TO BE SOLVED: To provide a black compound for ink jet ink that has excellent humidity resistance, light stability, stability against gases, and storing stability. SOLUTION: This black compound is represented by general formula (1), wherein n is an integer of 2-12; and Ms are, independently f...

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Bibliographische Detailangaben
Hauptverfasser: SUZUKI RIHOKO, FUJII KENICHI, OI TATSU
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a black compound for ink jet ink that has excellent humidity resistance, light stability, stability against gases, and storing stability. SOLUTION: This black compound is represented by general formula (1), wherein n is an integer of 2-12; and Ms are, independently from each other, an alkali metal, amine, or quaternary ammonium where at least one of the plural Ms is a quaternary ammonium. COPYRIGHT: (C)2005,JPO&NCIPI