发明授权
- 专利标题: Separation of tetrafluoroethane isomers
- 专利标题(中): 分离四氟乙烷异构体
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申请号: US374617申请日: 1995-02-17
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公开(公告)号: US5600040A公开(公告)日: 1997-02-04
- 发明人: David R. Corbin , Barry A. Mahler
- 申请人: David R. Corbin , Barry A. Mahler
- 申请人地址: DE Wilmington
- 专利权人: E. I. Du Pont de Nemours and Company
- 当前专利权人: E. I. Du Pont de Nemours and Company
- 当前专利权人地址: DE Wilmington
- 主分类号: C07C17/389
- IPC分类号: C07C17/389 ; C07C19/08
摘要:
Separation of CF.sub.3 CH.sub.2 F and CHF.sub.2 CHF.sub.2 from a mixture thereof is effectively achieved using either inorganic molecular sieves having suitable intermediate electronegaativities (compared to Zeolite Na-X) or activated carbon.