发明授权
- 专利标题: Preparation of 1-chloro-1,2,2,2-tetrafluoroethane
- 专利标题(中): 制备1-氯-1,2,2,2-四氟乙烷
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申请号: US090385申请日: 1987-08-27
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公开(公告)号: US4745237A公开(公告)日: 1988-05-17
- 发明人: Denis G. H. Ballard , Jeffrey Farrar , Dale A. Laidler
- 申请人: Denis G. H. Ballard , Jeffrey Farrar , Dale A. Laidler
- 申请人地址: GB2 London
- 专利权人: Imperial Chemical Industries PLC
- 当前专利权人: Imperial Chemical Industries PLC
- 当前专利权人地址: GB2 London
- 优先权: GBX8415201 19840614
- 主分类号: B01J23/06
- IPC分类号: B01J23/06 ; C07B61/00 ; C07C17/00 ; C07C17/23 ; C07C19/12 ; C07C67/00 ; C07C17/38 ; C07C19/02
摘要:
A method for the preparation of 1-chloro-1,2,2,2-tetrafluoroethane which comprises treating 1,1-dichloro-1,2,2,2-tetrafluoroethane, optionally in the form of an isomer mixture, with an alkali metal amalgam in an active hydrogen containing liquid medium which includes a solvent for the dichlorotetrafluoroethane.
公开/授权文献
- US06053091A Plunger pump 公开/授权日:2000-04-25
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