Water-based ink

Details Water-based ink Water-based ink

2008-03-11

2008-03-11

Shosho, Callie (Department: 1714)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C524S560000, C524S577000, C524S590000, C524S601000, C523S160000

Reexamination Certificate

active

10813274

ABSTRACT:
A process for preparing an aqueous dispersion of a pigment, comprising kneading a mixture containing a pigment, a polymer having a salt-forming group, a neutralizing agent for neutralizing the polymer having a salt-forming group, an organic solvent and water, wherein the concentration of the solid matter is 50 to 80% by weight; adding water and/or an organic solvent to the resulting kneaded mixture to dilute the mixture; and dispersing the solid matter in the resulting diluted mixture; and a water-based ink comprising the aqueous dispersion of a pigment.

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