发明名称 |
Process for producing 1,1,2-tetrafluoroethane |
摘要 |
A process for producing 1,1,1,2-tetrafluoroethane from trichloroethylene and HF, which comprises introducing products of a reaction of trichloroethylene with HF, and products of a reaction of 1,1,1-trifluoro-2-chloroethane with HF into a first distillation column either separately or as a mixture thereof, recovering HCl as a distillate from the top of the first distillation column, and introducing the remainder into a second distillation column.
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申请公布号 |
US5345015(A) |
申请公布日期 |
1994.09.06 |
申请号 |
US19930090314 |
申请日期 |
1993.07.13 |
申请人 |
SHOWA DENKO K.K. |
发明人 |
OHNO, HIROMOTO;MIYAMURA, MAKOTO;ARAI, TATSUHARU;MURAMAKI, KAZUO;OHI, TOSHIO |
分类号 |
C07C17/20;C07C17/21;C07C19/08;(IPC1-7):C07C17/08 |
主分类号 |
C07C17/20 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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