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US09388317B2 Ink formulations for improving printhead lifetime 有权
用于改善打印头寿命的油墨配方

Ink formulations for improving printhead lifetime
Abstract:
An inkjet ink includes: (i) a disazo dye of formula (I): (ii) sulfolane; (iii) a glycol compound selected from the group consisting of: ethylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol and pentaethylene glycol; and (iv) water.
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