Aqueous ink set and its use
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Aug 26, 2003
Grant Date -
Jun 20, 2002
app pub date -
Aug 24, 2001
filing date -
Aug 26, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An ink set consists of several inks containing at least one of a red ink and a magenta ink, one of a blue ink and a cyan ink, and a yellow ink for piezo inkjet printers operating according to a drop-on-demand method. Each one of the inks contains at least one water-soluble dye as a principal colorant, a solvent, and one or more anti-drying agents. The solvent is substantially water. A first one of the inks contains 'Direct Blue 199' as a primary or exclusive dye, a second one of the inks contains 'Reactive Red 180' as a primary or exclusive dye, and a third one of the inks contains 'Reactive Yellow 37' as a primary or exclusive dye. A black ink may be added to the ink set.
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