发明名称 |
PROLONGED RELEASE PHARMACEUTICAL PREPARATIONS |
摘要 |
<p>A pharmaceutical preparation having a prolonged uniform active compound release contains an ion exchange resin to which a pharmacologically active compound is bound in the form of a complex of active compound and exchange resin. This complex is impregnated with an agent which delays the swelling rate of the complex particles in water. The preparation is provided with a coating of a water-permeable barrier layer for the diffusion. A process for the preparation of the pharmaceutical preparation is described.</p> |
申请公布号 |
GB1544761(A) |
申请公布日期 |
1979.04.25 |
申请号 |
GB19770048997 |
申请日期 |
1977.11.24 |
申请人 |
PENNWALT CORP |
发明人 |
|
分类号 |
A61K31/135;A61K9/00;A61K9/14;A61K9/18;A61K9/26;A61K9/62;A61K31/165;A61K31/47;A61K47/32;A61K47/48;A61P11/14;A61P25/02;(IPC1-7):61K9/18 |
主分类号 |
A61K31/135 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|