| 发明名称 |
Process for purifying 1,1,1-trifluoro-2,2-dichloroethane from isomer 1,1,2-trifluoro-1,2-dichloroethane |
| 摘要 |
The 1,1,2-trifluoro-1,2-dichloroethane content is reduced or removed from 1,1,1-trifluoro-2,2-dichloroethane by contacting a gaseous mixture comprising said compounds with chrome oxide (Cr2O3) either as such or supported, at temperatures from 180 DEG to 400 DEG C.
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| 申请公布号 |
US5414167(A) |
申请公布日期 |
1995.05.09 |
| 申请号 |
US19940234708 |
申请日期 |
1994.04.28 |
| 申请人 |
AUSIMONT S.P.A. |
发明人 |
BRAGANTE, LETANZIO;CUZZATO, PAOLO;MASIERO, ANTONIO |
| 分类号 |
B01J23/26;C07C17/38;C07C17/389;C07C17/395;C07C19/08;C07C19/12;(IPC1-7):C07C17/38 |
主分类号 |
B01J23/26 |
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