Water base ink set for ink-jet recording and method for...

Details Water base ink set for ink-jet recording and method for... Water base ink set for ink-jet recording and method for...

2008-03-25

2008-03-25

Klemanski, Helene (Department: 1793)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031280, C106S031320, C106S031580, C106S031860

Reexamination Certificate

active

07347891

ABSTRACT:
A water base ink set for ink-jet recording includes a black ink containing water, a black pigment and a water-soluble organic solvent and a color ink containing water, a dye, and a water-soluble organic solvent. The black pigment is a negatively-chargeable and self-dispersible pigment. The dye has a fluorescein structure. The color ink further contains an alkylamine ethylene oxide adduct. The water-soluble organic solvent contained in the black ink is same as that contained in the color ink. With the ink set, not only the bleeding hardly occurs but also satisfactory discharge stability is obtained even when an ink-jet recording is performed on a regular paper.

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patent: A 08-283631 (1996-10-01), None

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