| 发明名称 |
Method for purifying dichloropentafluoropropanes |
| 摘要 |
A method of recovering pure dichloropentafluoropropane from a mixture of dichloropentaflouropropane and chloroform (including breaking the azeotropic mixture thereof) involving selectively fluorinating the chloroform to the lower boiling dichloromonofluoromethane and then distilling to separate and recover pure dichloropentafluoropropane.
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| 申请公布号 |
US5430206(A) |
申请公布日期 |
1995.07.04 |
| 申请号 |
US19910784672 |
申请日期 |
1991.10.25 |
| 申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
MERCHANT, ABID N.;SIEVERT, ALLEN C. |
| 分类号 |
C07C17/38;C07C17/395;C07C19/10;(IPC1-7):C07C17/38 |
主分类号 |
C07C17/38 |
| 代理机构 |
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