发明名称 |
Sustained release preparations and process for producing the same |
摘要 |
The present invention provides sustained-release preparations from which a pharmacologically active substance can be released over a long time and a process for producing the same. Such a sustained-release preparation is produced by melt-granulating a low-melting-point substance and a pharmacologically active substance and melt-coating the surface of the thus obtained particles with (1) a fine powder of a water-insoluble polymer or (2) a fine powder of a water-insoluble polymer and at least one member selected from the group consisting of talc, magnesium stearate and titanium oxide.
|
申请公布号 |
US7927628(B2) |
申请公布日期 |
2011.04.19 |
申请号 |
US20040504978 |
申请日期 |
2004.08.19 |
申请人 |
OTSUKA PHARMACEUTICAL CO., LTD. |
发明人 |
YUSO TOMOHIRA |
分类号 |
A61K9/14;A61K9/16;A61K9/22;A61K9/50;A61K47/04 |
主分类号 |
A61K9/14 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|