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