发明名称 |
Process for obtaining a purified hydrofluoroalkane |
摘要 |
Process for obtaining a hydrofluoroalkane which is purified of organic impurities, according to which the hydrofluoroalkane containing organic impurities is subjected to at least one purification treatment chosen from (a) a treatment with chlorine in the presence of a initiator (b) a reaction with hydrogen fluoride (c) a distillation in which the purified hydrofluoroalkane is removed from the top of the distillation column or from the side (d) an extractive distillation (e) an adsorption onto a solid adsorbent (f) a reaction with a compound containing oxygen, and (g) a reaction with a compound containing oxygen and a gas-phase reaction with a reagent capable of reacting with at least some of the organic impurities, with the exception of a reaction with elemental chlorine.
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申请公布号 |
US2004030204(A1) |
申请公布日期 |
2004.02.12 |
申请号 |
US20030344037 |
申请日期 |
2003.05.12 |
申请人 |
WILMET VINCENT;JANSSENS FRANCINE;SEIGNOUR LIONEL CASAUBON;KRAFFT PHILIPPE;LAMBERT ALAIN;BUYLE OLIVIER |
发明人 |
WILMET VINCENT;JANSSENS FRANCINE;SEIGNOUR LIONEL CASAUBON;KRAFFT PHILIPPE;LAMBERT ALAIN;BUYLE OLIVIER |
分类号 |
C07C17/38;C07C17/383;C07C17/386;C07C17/389;C07C17/395;C07C19/08;(IPC1-7):C07C17/08 |
主分类号 |
C07C17/38 |
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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