Water-based ink for ink-jet recording, ink cartridge, and ink-jet recording apparatus
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United States of America Patent
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Apr 30, 2013
Grant Date -
Jun 2, 2011
app pub date -
Sep 23, 2010
filing date -
Nov 30, 2009
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Abstract
A water-based ink for ink-jet recording includes a coloring agent, water, and a water-soluble organic solvent. The coloring agent includes the following a dye (1) and a dye (2).
- dye (1): a dye represented by the general formula (1)dye (2): at least one dye selected from the group consisting of dyes represented by the general formula (2a), dyes represented by the general formula (2b), C. I. Direct Blue 199, and C. I. Direct Blue 86
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