Water-based ink for ink-jet recording and ink set
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United States of America Patent
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Jun 25, 2024
Grant Date -
Jan 14, 2021
app pub date -
Jul 10, 2020
filing date -
Jul 12, 2019
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Abstract
A water-based ink for ink-jet recording includes: water; a solid solution pigment composed of at least a first pigment and a second pigment; and a non-solid solution pigment which is the same as the first pigment. An image L*60 of the first pigment has the highest chromaticness C* among those of pigments composing the solid solution pigment, the image L*60 having lightness L* which is closest to 60 among a plurality of solid images recorded on a recording paper by using one of aqueous dispersions containing the pigments composing the solid solution pigment at a same solid content concentration, respectively, while changing recording duty at every 5% in a range of 0% to 100%.
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