| 发明名称 |
Polymeric acid contraceptive devices |
| 摘要 |
A disposable non-woven sponge vaginal contraceptive device is made of alginic acid or related polysaccharides bearing carboxylic acid functionality and a method of making same is disclosed.
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| 申请公布号 |
US4360013(A) |
申请公布日期 |
1982.11.23 |
| 申请号 |
US19800142239 |
申请日期 |
1980.04.21 |
| 申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
发明人 |
BARROWS, THOMAS H. |
| 分类号 |
A61K9/00;(IPC1-7):C08J9/16;A61F5/46;B01D47/16;B32B5/18 |
主分类号 |
A61K9/00 |
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