| 摘要 |
The present invention relates to cyan dye-based inkjet inks having improved permanence when jetted onto porous photo media. The inkjet ink includes a copper phthalocyanine dye having sulfonylamine groups, at least three co-solvents comprising about 18% to about 24% of the composition of the ink by weight, a penetrant, at least one wetting agent, and water.
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