发明授权
- 专利标题： Composite chromatographic article
- 专利标题（中）： 复合色谱法
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申请号： US137811申请日： 1987-12-28
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公开(公告)号： US4810381A公开(公告)日： 1989-03-07
- 发明人: Donald F. Hagen , Steven J. St. Mary , Louis A. Errede , Peter W. Carr
- 申请人： Donald F. Hagen , Steven J. St. Mary , Louis A. Errede , Peter W. Carr
- 申请人地址： MN St. Paul
- 专利权人： Minnesota Mining and Manufacturing Company
- 当前专利权人： Minnesota Mining and Manufacturing Company
- 当前专利权人地址： MN St. Paul
- 主分类号： B01J20/281
- IPC分类号： B01J20/281 ; B01D15/08 ; B01J20/28 ; B01J20/285 ; G01N30/88 ; G01N30/92 ; B01D39/06 ; B01D39/16 ; B01D39/20
摘要：
A composite chromatographic article comprising:(a) a polytetrafluoroethylene fibril matrix, and(b) non-swellable sorptive particles enmeshed in said matrix, the ration 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.
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