Ink jet ink, method for producing ink jet ink, ink jet recording method and ink cartridge
AssigneeCanon Kabushiki Kaisha
InventorsKoichi Osumi, Sadayuki Sugama
Life of this patent
Estimating the term…
Abstract
An ink jet ink includes at least a coloring material. The coloring material is composed of at least one selected from the group consisting of C.I. Direct Violet 107, C.I. Acid Red 14, C.I. Acid Red 52, C.I. Acid Red 87 and C.I. Reactive Red 180, and a compound represented by the following general formula or a salt thereof. General Formula (I)
Claims7
An ink jet ink comprising at least a coloring material,
- wherein the coloring material comprises at least one selected from the group consisting of C.I. Direct Violet 107, C.I. Acid Red 14, C.I. Acid Red 52, C.I. Acid Red 87 and C.I. Reactive Red 180, and a compound represented by the following general formula (I) or a salt thereof.
- General Formula (I)
A method for producing an ink jet ink comprising a step of filling an ink jet ink tank which stores an ink jet ink comprising, as a coloring material, a compound represented by the following general formula (I) or a salt thereof, with an ink jet ink comprising, as a coloring material, at least one selected from the group consisting of C.I. Direct Violet 107, C.I. Acid Red 14, C.I. Acid Red 52, C.I. Acid Red 87 and C.I. Reactive Red 180.
- General Formula (I)
Dependencies are inferred from the claim text.