Ink jet ink and ink jet recording method

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United States of America Patent

PATENT NO 8651651
APP PUB NO 20120262517A1
SERIAL NO

13446276

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Abstract

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In an ink jet ink containing a pigment, a binder resin, water, an organic solvent, and a surfactant, the surface tension of the ink is in a region defined by γ0−γx≧1.0 (γ0: surface tension before evaporation, γx: surface tension at an evaporation rate X %) when the evaporation rate X of the ink is in a range of 01/2 is 30 mass % or more and less than 95 mass % of the total amount of the organic solvents; and the content of the surfactant is less than the critical micelle concentration of the surfactant.

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Patent Owner(s)

Patent OwnerAddress
KONICA MINOLTA IJ TECHNOLOGIES INCHINO-SHI TOKYO 191-8511

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mori, Hisashi Tokyo, JP 49 598
Takaku, Yusuke Tokyo, JP 9 61

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