Black ink for ink-jet recording having dispersed particles...

Compositions: coating or plastic – Coating or plastic compositions – Marking

Reexamination Certificate

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C106S031600, C347S100000

Reexamination Certificate

active

06849111

ABSTRACT:
The present invention provides an ink-jet recording black ink containing at least water, a water-soluble organic solvent and a self-dispersible carbon black, and an ink-jet recording ink set and an ink-jet recording method using the ink-jet recording black ink. A volume mean diameter of dispersed particles contained in the black ink is in a range of 85 to 115 nm, and a volume of dispersed particles having a particle diameter of 0.5 to 1.0 μm contained in the black ink is in a range of 0.001 to 0.03% relative to a volume of the ink.

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patent: A 8-3498 (1996-01-01), None
patent: A 10-510862 (1998-10-01), None
patent: WO 9618695 (1996-06-01), None

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