Ink composition for ultraviolet curable ink jets, ink jet recording apparatus using the same, ink jet recording method using the same, and ink set

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United States of America Patent

PATENT NO 9109125
SERIAL NO

13324347

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Abstract

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An ink composition for ultraviolet curable ink jets including monomer A represented by a general formula (I):

description='In-line Formulae' end='lead'CH2═CR1—COOR2—O—CH═CH—R3  (I)description='In-line Formulae' end='tail'

    (in the formula, ‘R1’ represents a hydrogen atom or methyl group, ‘R2’ represents a divalent organic residue having a carbon number of 2 to 20, and ‘R3’ represents a hydrogen atom or a monovalent organic residue having a carbon number of 1 to 11), and a photopolymerization initiator containing an acylphosphine oxide-based photopolymerization initiator and a thioxanthone-based photopolymerization initiator, in which the total content of the acylphosphine oxide-based photopolymerization initiator and the thioxanthone-based photopolymerization initiator is 8% by mass to 16% by mass with respect to the total mass of the ink composition.

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Patent Owner(s)

  • SEIKO EPSON CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Miura, Satoru Matsumoto, JP 49 300
Nakane, Hiroki Matsumoto, JP 63 783

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