| 发明名称 |
MANUFACTURE OF 1,1-DIFLUOROETHANE BY REACTIVE DISTILLATION |
| 摘要 |
A process is disclosed for purifying 1,1-difluoroethane (HFC-152a) by reactive distillation. In one aspect the process removes unsaturated species and chlorinated organic impurities from HFC-152a by either hydrofluorination or halogen substitution while simultaneously distilling off the 1,1-difluoroethane product. |
| 申请公布号 |
WO9640606(A1) |
申请公布日期 |
1996.12.19 |
| 申请号 |
WO1996US09234 |
申请日期 |
1996.06.06 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
CASSEL, WENDEL, RICHARD;WUTTKE, KLAUS, GUENTER |
| 分类号 |
C07C17/386 |
主分类号 |
C07C17/386 |
| 代理机构 |
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