Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 17, 2009
Patent Application Number
11865362
Date Filed
October 1, 2007
Patent Primary Examiner
Patent abstract
Two or more solutions comprising an organic pigment solution in which an organic pigment is dissolved in a good solvent, and a poor solvent compatible with the good solvent, or a solution of the poor solvent are allowed to flow through a microchannel in a non-laminar state; and organic pigment fine particles are deposited from the organic pigment solution in a course of flowing through the microchannel by changing the solubility of the organic pigment solution with the poor solvent or the solution of the poor solvent. As a result, nanometer-scale monodisperse organic pigment fine particles can be produced in a stable manner.
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