| 发明名称 |
Method for the recovery of perfluorinated sulphonic acid |
| 摘要 |
Method for the recovery of a perfluorinated sulphonic acid from a viscous organic residue by aqueous extraction of the acid from the residue in presence of a solvent containing aromatic compounds. |
| 申请公布号 |
US7087803(B2) |
申请公布日期 |
2006.08.08 |
| 申请号 |
US20030673372 |
申请日期 |
2003.09.30 |
| 申请人 |
HALDOR TOPSOE A/S |
发明人 |
HOMMELTOFT SVEN IVAR;STAHL OLE |
| 分类号 |
C07C2/54;B01D11/04;B01J38/48;C07C2/56;C07C303/44;C07C309/06 |
主分类号 |
C07C2/54 |
| 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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