发明名称 |
METHOD FOR THE MANUFACTURE OF PHOSPHONOALKYL IMINODIACETIC ACIDS |
摘要 |
<p>An improved method for the manufacture of phosphonoalkyl iminodiacetic acid (PAIDA) is disclosed. The iminodiacetic acid starting material is reacted with a considerable amount, in excess of stoichiometric requirements, of phosphorous acid to thereby yield a reaction medium insoluble reaction product which can be separated from the reaction medium. In a particularly preferred approach, the phosphorous acid is prepared in situ starting from liquid P4O6.</p> |
申请公布号 |
EP2435452(A1) |
申请公布日期 |
2012.04.04 |
申请号 |
EP20100724396 |
申请日期 |
2010.05.28 |
申请人 |
STRAITMARK HOLDING AG |
发明人 |
NOTTE, PATRICK;PIRARD, CEDRIC NICOLAS;LEMIN, DAVID |
分类号 |
C07F9/38 |
主分类号 |
C07F9/38 |
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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