Organic pigment fine particles and method of producing the same
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United States of America Patent
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Sep 20, 2011
Grant Date -
Nov 11, 2010
app pub date -
Jul 20, 2010
filing date -
Jun 10, 2005
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Abstract
According to the method of producing organic pigment fine particles of the present invention, when producing organic pigment fine particles by allowing two or more solutions at least one of which is an organic pigment solution in which an organic pigment is dissolved to flow through a microchannel, the organic pigment solution flows through the microchannel in a non-laminar state. Accordingly, the contact area of solutions per unit time can be increased and the length of diffusion mixing can be shortened, and thus instantaneous mixing of solutions becomes possible. As a result, nanometer-scale monodisperse organic pigment fine particles can be produced in a stable manner.
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