Back to results
US 8,137,448 B2Granted
Ink composition for ink jet recording
AssigneeSeiko Epson Corporation
InventorsShuichi Koganehira, Akira Mizutani, Hironori Sato
Life of this patent
Estimating the term…
Abstract
There is provided an ink composition that can realize high-quality images free from white streaks or roughness even in low resolution when printing paper for running-on such as art paper is used. The ink composition comprises at least a colorant, water, an alcohol solvent, and a surfactant, wherein the alcohol solvent comprises a sparingly water soluble alkanediol, a water soluble alkanediol, and a water soluble alkanetriol.
Claims26
An ink composition for ink jet recording, comprising at least a colorant, water, an alcohol solvent, and a surfactant,
- wherein the alcohol solvent comprises a sparingly water soluble alkanediol, a water soluble alkanediol, and a water soluble alkanetriol,
- the solubility of the sparingly water soluble alkanediol in water is less than 1.0 g/100 g of water, the solubility of the water soluble alkanediol in water is not less than 10.0 g/100 g of water and the solubility of the water soluble alkanetriol in water is not less than 10.0 g/100 g of water.
Dependencies are inferred from the claim text.