Color ink-jet recording ink set, ink-jet recording method, recording unit, ink-cartridge, ink-jet recording apparatus and bleeding reduction method
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United States of America Patent
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Mar 11, 2003
Grant Date -
N/A
app pub date -
Sep 28, 2000
filing date -
Sep 30, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A set of color ink-jet recording inks for recording a color image on a recording medium by using at least a black ink and a color ink, wherein the black ink has a cationic self-dispersible carbon black and the color ink has an anionic dye and an anionic substance. This ink set can achieve a high printing density and good printing grade without bleeding between black image and color image. It has a high reliability as an ink-jet ink.
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