| 发明名称 |
METHOD OF PURIFYING PERFLUOROARENES |
| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: halogen used is bromine or iodine, and sulphuric anhydride is used in form of its solution in sulphuric acid with concentration of 5-60%. The chemical treatment process is carried out at temperature of 20-80C, preferably at 50-70C, with weight ratio of the sulphuric anhydride to halogen equal to 1-10:1, preferably 1.5-3:1. ^ EFFECT: obtaining highly pure product. ^ 3 cl, 4 ex |
| 申请公布号 |
RU2404951(C1) |
申请公布日期 |
2010.11.27 |
| 申请号 |
RU20090109853 |
申请日期 |
2009.03.18 |
| 申请人 |
OBSHCHESTVO S OGRANICHENNOJ OTVETSTVENNOST'JU "PERMSKAJA KHIMICHESKAJA KOMPANIJA" |
发明人 |
PODSEVALOV PAVEL VIKTOROVICH;KOCHANOV ALEKSANDR SERGEEVICH;SHVETSOV IGOR' NIKOLAEVICH |
| 分类号 |
C07B63/00;C07B63/02;C07C17/38;C07C17/395;C07C25/13 |
主分类号 |
C07B63/00 |
| 代理机构 |
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