Inkjet inks with increased optical density
This invention pertains to aqueous inkjet inks containing self-dispersing pigments and effective amounts of one or more multivalent cations, said inks having increased optical density when printed.
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | This invention pertains to aqueous inkjet inks containing self-dispersing pigments and effective amounts of one or more multivalent cations, said inks having increased optical density when printed. |
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