Block copolymer, dispersing agent, and pigment dispersion composition

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United States of America Patent

PATENT NO 9260557
APP PUB NO 20150152212A1
SERIAL NO

14359838

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Abstract

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There is provided a block copolymer that can provide excellent dispersibility, alkali developability, and dry re-solubility when used, for example, as a dispersing agent. The block copolymer has a segment A and a segment B. The amine value of the block copolymer is 20 mg KOH/g to 150 mg KOH/g.

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Patent Owner(s)

  • OTSUKA CHEMICAL CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Umemoto, Hikaru Tokushima, JP 3 6

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