Title:
徐放性マイクロペレット
Document Type and Number:
Japanese Patent JP4848101
Kind Code:
B2
Abstract:
Sustained release micropellets showing a stable controlled-release of a drug without being affected by the changes in pH value etc., characterized by being produced by coating core particles with a layer containing a water-soluble drug and further forming a film layer containing a water-insoluble polymer compound and a plasticizer on the thus obtained particles, locating a water-soluble filler layer between the water soluble drug-containing layer and the film layer, and having an average particle size of 300 mu m or less; medicinal compositions containing these micropellets; and a process for producing the same.
Inventors:
Yoneda Fumio
Fumiya Hamano
Eisaku Kitano
Tetsuya Hosono
Fumiya Hamano
Eisaku Kitano
Tetsuya Hosono
Application Number:
JP2001248426A
Publication Date:
December 28, 2011
Filing Date:
August 17, 2001
Export Citation:
Assignee:
Fujimoto Corporation Co., Ltd.
International Classes:
A61K9/16; A61K9/00; A61K9/26; A61K9/50; A61K9/52; A61K31/485; A61K45/00; A61K47/14; A61K47/38
Domestic Patent References:
| JP63301816A | ||||
| JP10139659A | ||||
| JP5092918A | ||||
| JP55057516A | ||||
| JP59044311A | ||||
| JP2282324A | ||||
| JP62226924A | ||||
| JP60185711A | ||||
| JP9500914A | ||||
| JP58035110A | ||||
| JP2011526A | ||||
| JP7089849A | ||||
| JP2001526211A |
Attorney, Agent or Firm:
Yoshitaka Tani