Method for manufacturing pigment dispersion

Details Method for manufacturing pigment dispersion Method for manufacturing pigment dispersion

2008-11-25

2010-06-01

Green, Anthony J (Department: 1793)

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

C106S031600, C106S031770, C106S401000, C106S497000, C106S499000

Reexamination Certificate

active

07727325

ABSTRACT:
A method for manufacturing a pigment dispersion includes mixing a solution in which a pigment is dissolved in an acid, and a reaction liquid that decreases a solubility of the pigment in the solution, in the presence of a dispersant for the pigment, and causing the pigment to precipitate. The solution and reaction liquid are mixed in the presence of the dispersant and a cyclic carbonate.

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