Water-based ink set for ink-jet recording, ink-jet recording method and ink-jet recording apparatus
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United States of America Patent
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Oct 21, 2014
Grant Date -
Jul 18, 2013
app pub date -
Dec 21, 2012
filing date -
Jan 18, 2012
priority date (Note) -
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Abstract
A water-based ink set for ink-jet recording includes two or more kinds of water-based inks; wherein at least one water-based ink among the two or more kinds of water-based inks contains a dye represented by a general formula (1) and at least one water-based inks contains 0.5% by weight to 4% by weight a cationic polymer; and in the general formula (1): n1 is 1 or 2, each of three Ms is sodium or ammonium and the three Ms may be same or different from one another, and R0 represents a monoalkylamino group substituted by a carboxyl group and having a number of carbon atoms of 1 to 8.
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