Inkjet ink, ink cartridge containing the inkjet ink, inkjet recording apparatus using the ink cartridge, and print formed by the inkjet ink
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United States of America Patent
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Feb 24, 2015
Grant Date -
Mar 13, 2014
app pub date -
Aug 22, 2013
filing date -
Sep 7, 2012
priority date (Note) -
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Abstract
An inkjet ink is provided. The inkjet ink includes water; a water-soluble organic material in an amount of from 40 to 50% by weight based on the total weight of the inkjet ink; and a colorant. The water-soluble organic material includes at least one of 1,3-dimethyl-2-imidazolidinone, β-methoxy-N,N-dimethylpropionamide, and 2-pyrrolidone in an amount of from 5 to 35% by weight based on the total weight of the inkjet ink, and further includes a compound having the following formula (1) in an amount of from 10 to 40% by weight based on the total weight of the inkjet ink.
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