发明名称 |
PROCEDE POUR LA PURIFICATION D'EAUX RESIDUELLES, MOYENS ADAPTES A CET EFFET, ET PROCEDE POUR PREPARER CES MOYENS |
摘要 |
For the preparation of bis-isothiuronium salts of the formula (I): <IMAGE> in which R and R' are hydrogen atoms or lower alkyl or R is a phenyl or cyclohexyl group and R' is a hydrogen atom, A and X<(-)> are as defined in claim 1, a compound of the general formula (II> X-A-X (II) is reacted with a thiourea derivative of the general formula (III): R-NH-CS-NH-R' (III> in which R and R' are as defined above. The bis-isothiuronium salts are used for the purification of effluent containing organic compounds of anionic character. |
申请公布号 |
BE848215(A1) |
申请公布日期 |
1977.05.10 |
申请号 |
BE19760172260 |
申请日期 |
1976.11.10 |
申请人 |
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发明人 |
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分类号 |
C02F1/58;C02F1/52;C07C67/00;C07C325/00;C07C335/30 |
主分类号 |
C02F1/58 |
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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