Ink composition for inkjet recording, method for producing printed material, and printing method

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United States of America Patent

PATENT NO 9815991
SERIAL NO

15121877

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Abstract

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An ink composition for inkjet recording, including: a color material, a binder resin, and an organic solvent, wherein the binder resin contains at least an acrylic-based resin (A), and a copolymer (B) having a constitutional unit derived from a hydroxyalkyl (meth)acrylate, a constitutional unit represented by the formula (I), and a constitutional unit represented by the formula (II), a content ratio by mass of the resin (A) to copolymer (B) is 25/75 to 70/30, and wherein the solvent contains at least a polyalkylene glycol dialkyl ether and a cyclic ester, a content ratio of the cyclic ester is 3 parts by mass or more and 10 parts by mass or less relative to 100 parts by mass of the ink composition, and a content ratio of the ethylene glycol alkyl ether acetate is 5 parts by mass or less relative to 100 parts by mass of the ink composition:

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Patent Owner(s)

Patent OwnerAddress
DNP FINE CHEMICALS CO LTD450 AOTO-CHO MIDORI-KU YOKOHAMA-SHI KANAGAWA 2260022 ?2260022

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ishima, Yukiko Yokohama, JP 6 19
Iwasawa, Karuna Yokohama, JP 3 2
Oka, Ryohei Yokohama, JP 2 8
Oogaki, Megumi Yokohama, JP 1 2
Watanabe, Katsumi Yokohama, JP 96 1166
Yoshimitsu, Shinichi Yokohama, JP 3 15

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