发明名称 |
Process for the preparation of phosphinic acids |
摘要 |
Preparation of phosphinic acids comprises reacting an alkali-phosphinate with an inorganic mineral acid in a polar solvent, then separating the phosphinic acid. An Independent claim is included for use of the phosphinic acids produced in the preparation of flame retardants, plant protectants and extraction agents. |
申请公布号 |
EP1016623(A3) |
申请公布日期 |
2001.10.04 |
申请号 |
EP19990124436 |
申请日期 |
1999.12.08 |
申请人 |
CLARIANT GMBH |
发明人 |
SCHMITZ, HANS-PETER;SICKEN, MARTIN, DR. |
分类号 |
C01B25/00;C01B25/165;C07F9/30;C07F9/48 |
主分类号 |
C01B25/00 |
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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