Production process for self-dispersible pigment, self-dispersible pigment, ink, ink cartridge and ink jet recording method

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United States of America Patent

PATENT NO 9441128
APP PUB NO 20150376429A1
SERIAL NO

14748697

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Abstract

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The invention provides a production process for a self-dispersible pigment, comprising a step of bonding a functional group containing a hydrophilic group to a particle surface of a pigment by causing at least one treatment agent selected from the group consisting of a compound represented by the following general formula (1), a compound represented by the following general formula (2) and a compound represented by the following general formula (3) to react with the particle surface of the pigment.

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Patent Owner(s)

Patent OwnerAddress
CANON KABUSHIKI KAISHAOHTA-KU TOKYO 146-8501

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Higashi, Ryuji Kawasaki, JP 64 687
Suzuki, Koichi Yokohama, JP 385 3810
Watanabe, Taiki Akishima, JP 47 179

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