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US 10,479,103 B2Granted
Aqueous ink composition and ink jet recording apparatus
AssigneeSeiko Epson Corporation
InventorsKeiji Iida, Tomohito Nakano, Keisuke Morita
Life of this patent
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Abstract
An aqueous ink composition contains: an alkanediol having a normal boiling point of 240° C. or higher; polyoxyethylene mono(2-ethylhexyl) ether having a carbon number of 14 or more and 22 or less; and water, in which a content of the polyoxyethylene mono(2-ethylhexyl) ether having a carbon number of 14 or more and 22 or less is 0.4% by mass or lower based on the total amount of the aqueous ink composition.
Claims18
An aqueous ink composition comprising:
- an alkanediol having a normal boiling point of 240° C. or higher;
- polyoxyethylene mono(2-ethylhexyl) ether having a carbon number of 14 or more and 22 or less;
- and
- water, wherein
- a content of the polyoxyethylene mono(2-ethylhexyl) ether having a carbon number of 14 or more and 22 or less is in a range of 0.01% to 0.4% by mass based on a total amount of the aqueous ink composition.
2 more elements
Dependencies are inferred from the claim text.