Ink set and method for producing printed matter

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11359107
APP PUB NO 20200172754A1
SERIAL NO

16630578

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Abstract

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An ink set containing an inkjet ink and a treatment liquid used in combination with the inkjet ink, wherein the inkjet ink contains a pigment, a water-soluble organic solvent, a surfactant and water, the water-soluble organic solvent contains a glycol ether-based organic solvent having a specific structure, the treatment liquid contains a coagulant, the coagulant contains calcium nitrate in an amount of 6.8 to 20.8% by mass relative to the total mass of the treatment liquid, and the amount of compounds contained in the treatment liquid that have three or more hydroxyl groups is not more than 15% by mass relative to the total mass of the treatment liquid.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
TOYO INK SC HOLDINGS CO LTDTOKYO 104-8377
TOYOCOLOR CO LTD7-19 KYOBASHI 2-CHOME CHUO-KU TOKYO 104-8381

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jonai, Kazuhiro Tokyo, JP 29 170
Okamoto, Mayuko Tokyo, JP 13 95
Suzuki, Norio Tokyo, JP 248 2688
Yoda, Atsushi Tokyo, JP 19 59

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