| 发明名称 |
Sustained release formulations |
| 摘要 |
Drug delivery systems which exhibit sustained release properties when administered are produced using a "dual control" system which employs polymeric agents in core and membrane portions.
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| 申请公布号 |
US4816264(A) |
申请公布日期 |
1989.03.28 |
| 申请号 |
US19860871643 |
申请日期 |
1986.06.06 |
| 申请人 |
WARNER-LAMBERT COMPANY |
发明人 |
PHILLIPS, REGINALD;BIKKINA, KRISHNAYYA;KHAN, SADATH U. |
| 分类号 |
A61K9/20;A61K9/22;A61K9/28;A61K9/36;(IPC1-7):A61K9/22;A61K9/16 |
主分类号 |
A61K9/20 |
| 代理机构 |
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代理人 |
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| 主权项 |
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