| 发明名称 |
Semipermeable microcapsules containing a silica gel |
| 摘要 |
Described are semipermeable microcapsules which comprise an outer semipermeable polymeric skin encapsulating a silica gel. These microcapsules may be used as chromatographic media or may be modified to contain a homogeneous or heterogeneous catalyst and/or a ferromagnetic material.
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| 申请公布号 |
US3954678(A) |
申请公布日期 |
1976.05.04 |
| 申请号 |
US19740487814 |
申请日期 |
1974.07.11 |
| 申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
MARQUISEE, MARK JAMES |
| 分类号 |
B01J13/02;B01J13/16;B01J33/00;H01F1/11;(IPC1-7):B01J21/08;B01J37/00 |
主分类号 |
B01J13/02 |
| 代理机构 |
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