| 发明名称 |
COMPOSITE CHROMATOGRAPHIC ARTICLE |
| 摘要 |
<p>A composite chromatographic article comprising: a) a polytetrafluoroethylene fibril matrix, and b) non-swellable sorptive particles enmeshed in said matrix, the ratio of non-swellable sorptive particles to polytetrafluoroethylene being in the range of 19:1 to 4: 1 by weight, said composite article having a net surface energy in the range of 20 to 300 milliNewtons per meter.</p> |
| 申请公布号 |
CA1330073(C) |
申请公布日期 |
1994.06.07 |
| 申请号 |
CA19880584533 |
申请日期 |
1988.11.30 |
| 申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
发明人 |
HAGEN, DONALD F.;ST. MARY, STEVEN J.;ERREDE, LOUIS A.;CARR, PETER W. |
| 分类号 |
B01J20/281;B01D15/08;B01J20/28;B01J20/285;G01N30/88;G01N30/92;(IPC1-7):B01J20/28;G01N30/48 |
主分类号 |
B01J20/281 |
| 代理机构 |
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代理人 |
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