| 发明名称 |
ENCAPSULATED ACTIVE MATERIAL IMMOBILIZED IN HYDROGEL MICROBEADS |
| 摘要 |
A microbead comprising a hydrophilic matrix having active-filled microcapsul es entrained therein. Compositions comprising the microbeads suspended in solution are useful for delivering active material. The microbeads of the invention may be controllable by exposing the microbeads to high or low humidity or moisture.
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| 申请公布号 |
CA2386887(A1) |
申请公布日期 |
2001.05.03 |
| 申请号 |
CA20002386887 |
申请日期 |
2000.10.10 |
| 申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
QUONG, DOUGLAS |
| 分类号 |
A61K9/50;A01N25/04;A01N25/10;A01N25/28;A01N25/30;A01N31/02;A01N37/02;A61K8/04;A61K8/11;A61K8/73;A61K8/88;A61K47/32;A61K47/34;A61K47/36;A61Q13/00;A61Q19/00;B01J13/00;B01J13/14;(IPC1-7):A01N25/28 |
主分类号 |
A61K9/50 |
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