Alcohol-based printing ink composition

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United States of America Patent

PATENT NO 9523009
APP PUB NO 20130289185A1
SERIAL NO

13976742

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Abstract

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An alcohol-based printing ink composition comprising: a polyurethane urea resin (D) that is obtained by a reaction of polyol (A), diisocyanate (B), and a chain extender (C); a coloring agent (E); and a medium comprising an alcohol (F) and water, wherein the polyol (A) contains polyether polyol (A1) and polyester polyol (A2), and the medium comprises 75% by weight or more of alcohol (F).

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Patent Owner(s)

Patent OwnerAddress
TOYO INK SC HOLDINGS CO LTD2-1 KYOBASHI 2-CHOME CHUO-KU TOKYO 1040031 ?1040031
TOYO INK CO LTD2-1 KYOBASHI 2-CHOME CHUO-KU TOKYO 104-8378

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Narihiro, Harunori Tokyo, JP 5 16
Nomura, Takefumi Tokyo, JP 1 4
Oya, Toru Tokyo, JP 8 13

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