发明授权
- 专利标题: Purification of pentafluroethane
- 专利标题(中): 五氟乙烷的纯化
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申请号: US943182申请日: 1997-10-03
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公开(公告)号: US5892137A公开(公告)日: 1999-04-06
- 发明人: Rene Bertocchio , Andre Lantz
- 申请人: Rene Bertocchio , Andre Lantz
- 申请人地址: FRX
- 专利权人: Elf Atochem S.A.
- 当前专利权人: Elf Atochem S.A.
- 当前专利权人地址: FRX
- 优先权: FRX9612714 19961018
- 主分类号: C07C17/389
- IPC分类号: C07C17/389 ; C07C19/08 ; C07C17/38
摘要:
To remove the traces of chlorotrifluoroethylene (F1113) which are present in a pentafluoroethane (F125), the F125 is passed through a bed of active carbon.
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