| 发明名称 |
FLUOROCARBON PURIFICATION PROCESS |
| 摘要 |
A halocarbon product made from the reaction of excess hydrogen fluoride with a halocarbon, containing excess hydrogen fluoride as an azeotrope is purified by fluorination in the presence of additional halocarbon or halo-olefin. |
| 申请公布号 |
ZA9007928(B) |
申请公布日期 |
1992.06.24 |
| 申请号 |
ZA19900007928 |
申请日期 |
1990.10.04 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
LEO ERNEST MANZER;VELLIYUR NOTT MALLIKARJUNA RAO |
| 分类号 |
C07B61/00;C07C17/04;C07C17/10;C07C17/38;C07C19/08;C07C23/02 |
主分类号 |
C07B61/00 |
| 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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