发明授权
- 专利标题: Process for the manufacture of 1,1,1,2,3,-pentafluoropropane
- 专利标题(中): 制备1,1,1,2,3, - 五氟丙烷的方法
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申请号: US66451申请日: 1993-05-24
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公开(公告)号: US5396000A公开(公告)日: 1995-03-07
- 发明人: Mario J. Nappa , V. N. Mallikarjuna Rao
- 申请人: Mario J. Nappa , V. N. Mallikarjuna Rao
- 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: B01J23/44
- IPC分类号: B01J23/44 ; B01J27/125 ; C07C17/25 ; C07C17/354 ; C07C19/08 ; C07C17/34
摘要:
A process is disclosed for producing CF.sub.3 CHFCH.sub.2 F using vapor phase catalytic dehydrohalogenation to produce CF.sub.3 CF.dbd.CHF and HF, followed by vapor phase catalytic hydrogenation of CF.sub.3 CF.dbd.CHF in the presence of HF.
公开/授权文献
- US4234532A Method of manufacturing polyester films 公开/授权日:1980-11-18
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