发明名称 INKS AND INK SETS FOR IMPROVED PERFORMANCE AND IMAGE QUALITY
摘要 <p>Ink sets can include a plurality of aqueous inks. In one embodiment, a first ink can include a magenta dye and a magenta pigment. A second ink can include a cyan pigment, and a third ink can include a yellow pigment, wherein the second and third inks are substantially devoid of dye. The inks can independently include 2-pyrrolidone or 2-hydroxyethyl-2-pyrrolidone and an additional solvent selected from a glycol, a second pyrrolidone, and mixtures thereof. In another embodiment, an aqueous ink-jet ink can comprise a pigment and a liquid vehicle including water, 2-pyrrolidone, 2-hydroxyethyl-2-pyrrolidone, tetraethylene glycol, and 1,6-hexanediol.</p>
申请公布号 EP2271719(A4) 申请公布日期 2014.03.05
申请号 EP20080754959 申请日期 2008.04.29
申请人 HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 发明人 SARKISIAN, GEORGE;PRASAD, KESHAVA, A.;LOW, HENG SIONG
分类号 C09D11/00;B41J2/01;B41J2/14 主分类号 C09D11/00
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