Aqueous ink set for ink jet recording, recording method, and ink jet recording apparatus

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United States of America Patent

PATENT NO 10016981
SERIAL NO

15602458

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Abstract

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An aqueous ink set for ink jet recording includes an aqueous pigment ink containing water and a pigment as a coloring agent and an aqueous dye ink containing water and a dye as a coloring agent, in which the concentration of the divalent metal ions of the pigment ink is 10 ppm or more, and the potassium ion concentration of the dye ink is 50 ppm or less.

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Patent Owner(s)

  • SEIKO EPSON CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aoyama, Tetsuya Shiojiri, JP 128 748
Hama, Shintaro Shiojiri, JP 11 39
Miyake, Yuho Shiojiri, JP 9 28
Teramoto, Ryosuke Matsumoto, JP 19 83

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