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    • 9. 发明申请
    • Method of Producing Coated Fine Particles
    • 生产涂层微粒的方法
    • US20080226704A1
    • 2008-09-18
    • US10593723
    • 2005-03-23
    • Makoto KigoshiNobuhiro YagiYasuki Kato
    • Makoto KigoshiNobuhiro YagiYasuki Kato
    • A61K9/127B05D7/00B32B5/16A61K9/50
    • B01J13/02Y10T428/2989
    • The present invention provides a method of producing coated fine particles in which core fine particles is coated with a coating layer, which comprises the steps of preparing a liquid (liquid A) containing a polar organic solvent in which core fine particles are dispersed and a component constituting a coating layer is dissolved; preparing a liquid (liquid B) which is miscible with the liquid A and does not contain a polar organic solvent or contains a polar organic solvent in a ratio lower than that in the liquid A; and letting the liquid A flow from at least one inlet of a device for producing coated fine particles equipped with an in-line mixing means having two or more inlets and one or more outlet(s) and letting the liquid B flow from at least one remaining inlet to mix the liquids thereby coating the core fine particles with the coating layer.
    • 本发明提供一种制备其中芯细颗粒涂覆有涂层的涂覆微粒的方法,该方法包括以下步骤:制备包含其中分散芯细颗粒的极性有机溶剂的液体(液体A)和组分 构成涂层溶解; 制备与液体A混溶并且不含极性有机溶剂或含有比液体A中的比例低的极性有机溶剂的液体(液体B); 并且使液体A从用于生产包含具有两个或更多个入口和一个或多个出口的直列混合装置的涂覆微粒的装置的至少一个入口流出并使液体B从至少一个流出 剩余的入口混合液体,从而涂覆核心微粒与涂层。