Organic pigment fine-particle, and method of producing the same

Details Organic pigment fine-particle, and method of producing the same Organic pigment fine-particle, and method of producing the same

2007-01-09

2007-01-09

Green, Anthony J. (Department: 1755)

Compositions: coating or plastic

Materials or ingredients

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

C106S412000, C106S413000, C106S494000, C106S495000, C106S496000, C106S497000, C106S498000

Reexamination Certificate

active

10944893

ABSTRACT:
A method of producing a fine particle of an organic pigment, containing the steps of: flowing a solution of an organic pigment dissolved in an alkaline or acidic aqueous medium, through a channel which provides a laminar flow; and changing a pH of the solution in the course of the laminar flow.

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Bernd Penth, “New Non-Clogging Microreactor for Chemical Processing and Nano Materials”, Proceedings. Micro. Tec. VDE World Microtechnologies Congress, Proceedings of International Conference on Microtechnologies, XX, XX, vol. 1, 2000, pp. 401-405, XP001058349, Germany, no month.

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