| 发明名称 |
METHOD FOR PURIFYING BROMODIFLUOROACETYL FLUORIDE |
| 摘要 |
PROBLEM TO BE SOLVED: To provide a simple method for purifying crude bromodifluoroacetyl fluoride containing SO<SB>2</SB>. SOLUTION: The method for purifying bromodifluroacetyl fluoride comprises bringing crude bromodifluoroacetyl fluoride containing SO<SB>2</SB>into contact with molecular chlorine in the presence of a catalyst and separating the formed SO<SB>2</SB>Cl<SB>2</SB>. COPYRIGHT: (C)2004,JPO&NCIPI
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| 申请公布号 |
JP2004196725(A) |
申请公布日期 |
2004.07.15 |
| 申请号 |
JP20020368464 |
申请日期 |
2002.12.19 |
| 申请人 |
DAIKIN IND LTD |
发明人 |
SUGIYAMA AKIHIRA;OTSUKA TATSUYA;ICHIHARA KAZUYOSHI;MANTANI AKIYA |
| 分类号 |
B01D3/00;C07C51/58;C07C51/64;C07C53/48;(IPC1-7):C07C51/64 |
主分类号 |
B01D3/00 |
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