Invention Grant
US07717991B2 Inkjet ink, method for producing the same, ink cartridge, and inkjet recording method 有权
喷墨油墨,其制造方法,墨盒和喷墨记录方法

Inkjet ink, method for producing the same, ink cartridge, and inkjet recording method
Abstract:
An inkjet ink contains at least one coloring material selected from the group of C. I. Direct Violet 107, C. I. Acid Red 14, C. I. Acid Red 52, C. I. Acid Red 87, C. I. Acid Red 289 and C. I. Reactive Red 180, and a coloring material including a compound expressed by general formula (I): wherein in the formula (I), each M independently represents hydrogen, an alkali metal, ammonium, or an organic ammonium. The ratio of the content in the inkjet ink of the compound expressed by general formula (I) to the total content of coloring materials in the inkjet ink is in the range of 15.0% by mass or more to 40.0% by mass or less.
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