发明名称 |
Controlled porous osmotic pump tablets of high permeable drugs and the preparation process thereof |
摘要 |
The present invention relates to controlled porous osmotic pump tablets of high permeable drugs and the preparation process thereof. The controlled porosity osmotic pump tablets do not need to be drilled by laser, but provides controlled porosity for drug release by adding a suitable quantity of pore-forming agents into the semipermeable membrane. In specific embodiments, the present invention relates to controlled porous osmotic pump tablets comprising venlafaxine or metoprolol or pharmaceutically acceptable salts thereof. |
申请公布号 |
US8703193(B2) |
申请公布日期 |
2014.04.22 |
申请号 |
US20070445690 |
申请日期 |
2007.10.16 |
申请人 |
WANG JINGANG;JIANG HAISONG;COSCI MED-TECH CO. LTD. |
发明人 |
WANG JINGANG;JIANG HAISONG |
分类号 |
A61K31/137;A61K9/24;A61K31/138 |
主分类号 |
A61K31/137 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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