Back to results
US 8,894,193 B2Granted
Decolorizable water-based inkjet ink
AssigneeToshiba Tec Kabushiki Kaisha
InventorsTakayasu Aoki, Takafumi Hara, Tsuyoshi Itou
Life of this patent
Estimating the term…
Abstract
According to one embodiment, a decolorizable water-based inkjet ink includes a color material, a solvent, and a nonionic surfactant. The color material contains a color developable compound and a color developing agent, and the solvent contains water and a water-soluble organic solvent. The nonionic surfactant is contained in the ink in an amount of 5 wt % or more of the total amount of the solvent.
Claims13
A decolorizable water-based inkjet ink comprising:
- a color material comprising a color developable compound and a color developing agent;
- a solvent containing water and a water-soluble organic solvent;
- and a nonionic surfactant which is contained in an amount of from 10 to 35 wt % of a total amount of the solvent, the color developable compound and the color developing agent being bound to each other to develop a color, and being decolorized by heat.
Dependencies are inferred from the claim text.