Non-aqueous ink composition for ink jet recording and ink jet recording method

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United States of America Patent

PATENT NO 9238744
APP PUB NO 20150035895A1
SERIAL NO

14220424

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Abstract

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A colorant, lactone having a content in a range of 5% by mass to 40% by mass, a first solvent having a water vapor pressure of 2 hPa or more and a content in a range of 5% by mass to 18% by mass at 20° C., and a second solvent having a water vapor pressure of 0.9 hPa or more and a content in a range of 2% by mass to 80% by mass at 20° C. are contained, a sum of the content of the first solvent and the content of the second solvent is 20% by mass or more, and the second solvent is at least one solvent selected from a group consisting of (poly)alkylene glycol monoalkyl ether and (poly)alkylene glycol dialkyl ether.

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Patent Owner(s)

  • SEIKO EPSON CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ito, Jun Shimosuwa-machi, JP 263 3600
Kubota, Kenichiro Matsumoto, JP 34 200
Nagase, Makoto Shiojiri, JP 92 657
Sao, Akihito Matsumoto, JP 38 360

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