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US 10,626,281 B2Granted
Ink jet ink composition
AssigneeSeiko Epson Corporation
InventorsTomohiro Fujita, Chikako Fujita, Kana Ozaki, Yoshifumi Ito
Life of this patent
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Abstract
An ink jet ink composition contains a disperse dye, and a compound represented by the following formula (1): In the formula, Ar1 and Ar2 each independently represent an aryl group; R1 and R2 each independently represent a chemical species selected from the group consisting of hydrogen, alkyl groups having a carbon number of 1 to 3, a sulfo group, —O—SO3H, a carboxy group, and a hydroxy group; and n's each independently represent an integer of 0 to 5.
Claims6
An ink jet ink composition comprising:
- a disperse dye;
- a formalin condensate of an aromatic sulfonic acid compound;
- and
- a compound represented by the following formula (1):
- wherein Ar1 and Ar2 each independently represent an aryl group, R1 and R2 each independently represent a chemical species selected from the group consisting of hydrogen, alkyl groups having a carbon number of 1 to 3, a sulfo group, —O—SO3H, a carboxy group, and a hydroxy group, and n's each independently represent an integer of 0 to 5.
2 more elements
Dependencies are inferred from the claim text.