Liquid composition for ink jet, ink set for ink jet, ink jet...

Incremental printing of symbolic information – Ink jet – Fluid or fluid source handling means

Reexamination Certificate

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Details

C347S095000, C106S031580, C106S031860

Reexamination Certificate

active

11049129

ABSTRACT:
It is an object to provide a liquid composition for ink jet which contains at least an organic acid having an acid dissociation constant pKa of 4.5 or less, a water-soluble solvent, and water, further including at least one of compounds selected from the following group, and this is utilized for an ink set for ink jet, an ink jet recording method and an ink jet recording apparatus,(a): a polyvalent metallic salt having an amount of addition to the organic acid which is equal to or more than 0.01 and is less than 1 in a mole ratio (the polyvalent metallic salt/organic acid); and(b): an organic amine compound having an amount of addition to the organic acid which is equal to or more than 0.1 and is equal to or less than 0.9 in a mole ratio (an organic amine compound/organic acid).

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