Back to results
US 10,538,681 B2Granted
Aqueous ink for ink jet recording
AssigneeSeiko Epson Corporation
InventorHiroshi Ito
Life of this patent
Estimating the term…
Abstract
An aqueous ink for ink jet recording includes a coloring material; an ester-based defoaming agent having a water-octanol distribution coefficient of 2.0 or more and 5.0 or less; an ester-based first solvent having a water-octanol distribution coefficient of −0.5 or more and 2.0 or less; and resin particles having a zeta potential of −65 mV or more and −15 mV or less and including an ester-based reactive surfactant as a constituent unit.
Claims7
An aqueous ink for ink jet recording, comprising:
- a coloring material;
- an ester-based defoaming agent having a water-octanol distribution coefficient of 2.0 or more and 5.0 or less;
- an ester-based first solvent having a water-octanol distribution coefficient of −0.5 or more and 2.0 or less;
- and
- resin particles having a zeta potential of −65 mV or more and −15 mV or less and including an ester-based reactive surfactant as a constituent unit.
2 more elements
Dependencies are inferred from the claim text.