| 发明名称 |
Preparation of 142 |
| 摘要 |
A process for the preparation of 142 is provided, wherein 140 is fluorinated in the gas phase with HF in the presence of a fluorination catalyst. 142 is a known foam blowing agent.
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| 申请公布号 |
US2002183569(A1) |
申请公布日期 |
2002.12.05 |
| 申请号 |
US20020206688 |
申请日期 |
2002.07.26 |
| 申请人 |
BOLMER MICHAEL S.;CHEN BIN;ELSHEIKH MAHER Y. |
发明人 |
BOLMER MICHAEL S.;CHEN BIN;ELSHEIKH MAHER Y. |
| 分类号 |
C07C17/20;(IPC1-7):C07C17/00;C07C19/08 |
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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