Ink jet ink composition and production method thereof

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United States of America Patent

PATENT NO 9868872
SERIAL NO

14673260

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Abstract

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An ink jet ink composition includes a disperse dye, and a sodium naphthalene sulfonate formalin condensate, in which a ratio of a concentration of sodium ions with respect to a content of the sodium naphthalene sulfonate formalin condensate (Na (ppm)/NSF (% by mass)) is 75 to 550.

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Patent Owner(s)

  • SEIKO EPSON CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ikeda, Yasunari Shiojiri, JP 80 1217
Naito, Shinichi Chino, JP 33 109
Nakamura, Miho Shiojiri, JP 17 111
Sao, Akihito Matsumoto, JP 38 360

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