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US 2011/0234682 A1Published application
Aqueous ink composition and printing process by ink jet recording system using the composition
AssigneeSeiko Epson Corporation
InventorsHitoshi Ohta, Yoshimasa Tamura
Life of this patent
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Abstract
The aqueous ink composition according to the invention includes at least a water-insoluble coloring agent, a glycol ether having an HLB value calculated by a Davies' method in the range of 4.2 to 8.0, a 1,2-alkyldiol having 4 to 8 carbon atoms, resin particles, and water.
Claims15
An aqueous ink composition comprising at least a water-insoluble coloring agent, a glycol ether having an HLB value calculated by a Davies' method in the range of 4.2 to 8.0, a 1,2-alkyldiol having 4 to 8 carbon atoms, resin particles, and water.
Dependencies are inferred from the claim text.