Ink set and ink jet recording method

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United States of America Patent

PATENT NO 9562165
APP PUB NO 20150184008A1
SERIAL NO

14558979

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Abstract

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An ink jet ink set including three aqueous inks of a cyan ink, a magenta ink and a yellow ink, wherein any two inks of the cyan ink, the magenta ink and the yellow ink are inks satisfying the following condition A, and the other ink is an ink satisfying the following condition B:

    Condition A: an ink containing a first self-dispersible pigment having a functional group that contains a phosphonic acid group and another atomic group and is bonded to a particle surface of the pigment; andCondition B: an ink containing a second self-dispersible pigment having a functional group that contains at least one of a sulfonic acid group and a carboxylic acid group and is bonded to a particle surface of the pigment.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mori, Yasuhito Kawasaki, JP 10 53
Yamashita, Tomohiro Yokohama, JP 130 888

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