| 发明名称 |
Ultrasonically modulated polymeric devices for delivering compositions |
| 摘要 |
A composition such as a biologically active substance is delivered upon demand from a polymeric matrix by exposing the polymeric matrix containing the composition to ultrasonic energy.
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| 申请公布号 |
US4657543(A) |
申请公布日期 |
1987.04.14 |
| 申请号 |
US19840633366 |
申请日期 |
1984.07.23 |
| 申请人 |
MASSACHUSETTS INSTITUTE OF TECHNOLOGY |
发明人 |
LANGER, ROBERT S.;KOST, JOSEPH |
| 分类号 |
A61K9/00;A61K9/20;A61K9/22;A61K41/00;A61L27/50;C08G67/04;(IPC1-7):A61K9/22 |
主分类号 |
A61K9/00 |
| 代理机构 |
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