发明授权
- 专利标题： Process for purifying perfluorinated products
- 专利标题（中）： 净化全氟化产物的方法
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申请号： US11755367申请日： 2007-05-30
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公开(公告)号： US08771626B2公开(公告)日： 2014-07-08
- 发明人: Mark Brandon Shiflett , Akimichi Yokozeki
- 申请人： Mark Brandon Shiflett , Akimichi Yokozeki
- 申请人地址： US 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： US DE Wilmington
- 主分类号： C01B21/06
- IPC分类号： C01B21/06 ; C01B21/088 ; C01B7/00 ; C01B9/08 ; B01D53/56 ; B01D53/86 ; C01B21/00 ; B01D53/50 ; B01D53/68 ; B01D53/70
摘要：
This invention relates to a process for purifying at least one of perfluoromethane and nitrogen trifluoride from a mixture thereof using an ionic liquid. The process may be performed by a technique such as extractive distillation or absorption wherein at least one ionic liquid is used as the entraining agent or absorbent, respectively.
公开/授权文献
- US20070297965A1 PROCESS FOR PURIFYING PERFLUORINATED PRODUCTS 公开/授权日：2007-12-27
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