Ink, ink set, ink-jet recording process, ink cartridge, recording unit and ink-jet recording apparatus
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United States of America Patent
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Nov 5, 2002
Grant Date -
Apr 11, 2002
app pub date -
Jun 25, 2001
filing date -
Jun 23, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
An ink comprise a dye, a silicon-containing surfactant, an ethylene oxide adduct of acetylene glycol and a liquid medium, wherein a weight ratio of the silicon-containing surfactant to the ethylene oxide adduct of acetylene glycol is not lower than 1/5000, but lower than 1/20. An ink-jet recording process include the step of ejecting the ink by an ink-jet system. An ink set include in combination a first dye having a certain color tone, and a second dye ink having a color tone different from that of the first dye ink, wherein at least one of the first and second dye inks is the above ink. An ink set include dye inks of yellow, magenta and cyan, wherein the dye inks include an ethylene oxide adduct of acetylene glycol respectively, and the dye inks of magenta and cyan further have a silicon-containing surfactant.
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