发明名称 |
MEDICAMENT-CONTAINING HOLLOW PARTICLE |
摘要 |
The invention provides a particle composed of a shell and a hollow, wherein the shell contains a medicament and a polymer, and a volume ratio of the hollow relative to the whole particle is 1%-50%. The invention also provides a process for preparation of the hollow particle, which includes a step of granulating a powder mixture containing a medicament and a polymer, while spraying a solvent capable of dissolving the polymer. |
申请公布号 |
US2015297520(A1) |
申请公布日期 |
2015.10.22 |
申请号 |
US201314422786 |
申请日期 |
2013.08.20 |
申请人 |
Sumitomo Dainippon Pharma Co., Ltd. |
发明人 |
KOBIKI Mitsuaki;OCHIAI Yasushi |
分类号 |
A61K9/16;A61K31/496;A61K31/4375;A61K31/196;A61K31/5377;A61K31/423;A61K31/155 |
主分类号 |
A61K9/16 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
Osaka-shi, Osaka JP |