Title:
被覆微粒子の製造方法
Document Type and Number:
Japanese Patent JP5085313
Kind Code:
B2
Abstract:
An object of the present invention is to provide a method for easily producing coated fine particles in which core fine particles are coated with a coating layer component, etc. There are provided a method of producing coated fine particles comprising core fine particles coated with a coating layer component, comprising the steps of dispersing the core fine particles and the coating layer component (s) in a liquid and the process of coating the core fine particles with the coating layer component, wherein the liquid contains a polar organic solvent in which the coating layer component(s) is soluble, and the concentration of the polar organic solvent is such that the core fine particles is not dissolved and the coating layer component (s) can be in the dispersed state in the liquid, and the like.
Inventors:
Nobuhiro Yagi
Tokuda Takuya
Nakakura Masashi
Yasumi Kato
Tokuda Takuya
Nakakura Masashi
Yasumi Kato
Application Number:
JP2007500604A
Publication Date:
November 28, 2012
Filing Date:
January 27, 2006
Export Citation:
Assignee:
Kyowa Hakko Kirin Co., Ltd.
International Classes:
B01J13/04; A61K9/107; A61K9/127; A61K47/14; A61K47/24; A61K47/34; A61K48/00; A61P29/00; A61P35/00
Domestic Patent References:
| JPH03169808A | 1991-07-23 | |||
| JPH06100353A | 1994-04-12 | |||
| JP2001503735A | 2001-03-21 | |||
| JPS63239213A | 1988-10-05 | |||
| JP2002538096A | 2002-11-12 |
Foreign References:
| WO2002028367A1 | 2002-04-11 |