| 发明名称 |
Hydrogel and method of producing same. |
| 摘要 |
<p>The hydrogel of the invention contains polyvinyl alcohol (a hydrogel support), and a high water-absorbent resin and/or a hydrophilic high molecular compound, which are capable of containing a large amount of water. The rate of evaporation of water from this hydrogel is slow. The hydrogel retains water for a long time and releases an active ingredient gradually.</p> |
| 申请公布号 |
EP0516026(A1) |
申请公布日期 |
1992.12.02 |
| 申请号 |
EP19920108808 |
申请日期 |
1992.05.26 |
| 申请人 |
TAKEDA CHEMICAL INDUSTRIES, LTD. |
发明人 |
SUZUKI, YASUYUKI;SHIMIZU, HISAYOSHI |
| 分类号 |
A61K8/18;A61K8/00;A61K8/91;A61K9/00;A61K47/32;A61K47/36;A61N1/30;A61Q13/00;B01J13/00;C08L29/02;C08L29/04;C08L101/00;C12N11/08 |
主分类号 |
A61K8/18 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
