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    • 2. 发明授权
    • Lightfast ink-jet dye set having color gamut of silver halide prints
    • 具有卤化银色带色域的耐光喷墨染料
    • US06682589B2
    • 2004-01-27
    • US10002066
    • 2001-10-30
    • Peter C. MorrisStephen W. BauerShirley LeeKeshava A. PrasadJeffrey H. Barr
    • Peter C. MorrisStephen W. BauerShirley LeeKeshava A. PrasadJeffrey H. Barr
    • C09D1100
    • C09D11/40
    • A specific dye set for formulating yellow, cyan, magenta, and black inks comprises Direct Yellow 132, at least one other yellow dye, Direct Blue 199, a magenta dye comprising a dye having the structure and, optionally, Pacified Reactive Black 31, respectively. The dye set provides excellent ink-jet prints having excellent lightfastness when exposed to office light, excellent imaging onto glossy inkjet media, and large color gamut which substantially encompasses the color space for a silver halide reference print. The aqueous inks each comprise from about 0.1 to about 5 wt % of at least one dye with the black ink comprising from about 0.5 to about 5 wt % of at least one colorant; from about 5 to about 20 wt % of at least one organic solvent; 0 to about 1.5 wt % of at least one component independently selected from the group consisting of surfactants, buffers, biocides, and metal chelators; and the balance water.
    • 用于配制黄色,青色,品红色和黑色油墨的特定染料组合物包括直接黄132,至少一种其它黄色染料,直接蓝199,品红色染料,其分别包含具有结构的染料和任选的安定活性黑31。 染料组提供了出色的喷墨印刷品,当暴露于办公室光下时具有优异的耐光性,在光泽喷墨介质上的优异成像以及基本上包含卤化银参考印刷品的色彩空间的大色域。 水性油墨各自包含约0.1至约5重量%的至少一种染料,黑色油墨包含约0.5至约5重量%的至少一种着色剂; 约5至约20重量%的至少一种有机溶剂; 0至约1.5重量%的至少一种独立选自表面活性剂,缓冲剂,杀生物剂和金属螯合剂的组分; 和平衡水。