Ink, ink-jet-recording method and bis-azo compound

An ink, which contains at least one dye of formula (1): A-N-N-BX1n1B'-N-N-A' Formula (1) wherein A and A' each independently represent an aryl group or a monovalent heterocyclic group; B and B' each independently represent an arylene group or a divalent heterocyclic group; X1 rep...

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Hauptverfasser: HARADA TORU, WACHI NAOTAKA
Format: Patent
Sprache:eng
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Zusammenfassung:An ink, which contains at least one dye of formula (1): A-N-N-BX1n1B'-N-N-A' Formula (1) wherein A and A' each independently represent an aryl group or a monovalent heterocyclic group; B and B' each independently represent an arylene group or a divalent heterocyclic group; X1 represents a divalent linking group; n1 is 0 or 1; and at least one of A, B, A', and B' is a heterocyclic group.