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US 2017/0283630 A1Published application
Water-based ink for ink-jet recording
AssigneeBrother Kogyo Kabushiki Kaisha
InventorsMiki Nishiura, Mitsunori Maeda
Life of this patent
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Abstract
A water-based ink for ink-jet recording includes: a colorant containing a pigment and a dye represented by the following formula (1); water; and a water-soluble resin.
Claims14
A water-based ink for ink-jet recording, comprising:
- a colorant containing a pigment and a dye represented by the following formula (1);
- water;
- and
- a water-soluble resin,
- in the formula (1), R1 is a hydrogen atom, a substituted or non-substituted alkyl group, or a substituted or non-substituted aryl group,
- R2 is a hydrogen atom, a halogen atom, or a cyano group,
- R3 is a hydrogen atom, a substituted or non-substituted alkyl group, a substituted or non-substituted aryl group, or a substituted or non-substituted heterocyclic group,
- each of R4, R5, R6 and R7 is a hydrogen atom, a substituted or non-substituted alkyl group, a substituted or non-substituted aryl group, a substituted or non-substituted heterocyclic group, a substituted or non-substituted sulfonyl group, or a substituted or non-substituted acyl group,
- R4, R5, R6 and R7 are identical to or different from each other,
- R4 and R5 are not simultaneously the hydrogen atom,
- R6 and R7 are not simultaneously the hydrogen atom, and
- both of A1 and A2 are substituted or non-substituted carbon atoms, or one of A1 and A2 is a substituted or non-substituted carbon atom and the other of A1 and A2 is a nitrogen atom.
9 more elements
Dependencies are inferred from the claim text.