发明名称 |
Ink set for inkjet recording, recording method, and colored body using same |
摘要 |
A dye ink set for ink jet recording, which has a wide color gamut, particularly for the hue range of magenta, blue, and cyan, and which has good ejection stability properties. The ink set includes ink compositions of two colors, a magenta ink composition and a cyan ink composition which contain a dye, water, and a water-soluble organic solvent, and the magenta ink composition contains a compound represented by formula (1) below or a salt thereof.; |
申请公布号 |
US8979988(B2) |
申请公布日期 |
2015.03.17 |
申请号 |
US201113820992 |
申请日期 |
2011.08.31 |
申请人 |
Nippon Kayaku Kabushiki Kaisha |
发明人 |
Shimizu Shinsuke;Tabe Tadahiko;Akatani Yoshiki |
分类号 |
C09D11/02;B41J2/01;C09D11/328;C09B29/01;C09B29/20;C09B47/06;C09D11/40;B41M5/00 |
主分类号 |
C09D11/02 |
代理机构 |
Knobbe Martens Olson & Bear LLP |
代理人 |
Knobbe Martens Olson & Bear LLP |
主权项 |
1. An ink set for ink jet recording comprising two ink compositions each of a different color of a) a magenta ink composition and b) a cyan ink composition, each comprising a dye, water, and a water soluble organic solvent, and the magenta ink composition a) comprising a compound represented by the following formula (1) or a salt thereof,wherein the cyan ink composition b) comprises as a coloring agent a compound represented by the following general formula (2) or a salt thereof,wherein: a, b, c and d are 0 or 1; a sum of a, b, c and d is no less than 1 and no greater than 4; and an average value of the sum is 2 to 4. |
地址 |
Tokyo JP |