S,S-ethylenediamine-N,N′-disuccinic acid iron alkali salt and a process for production thereof
    2.
    发明授权
    S,S-ethylenediamine-N,N′-disuccinic acid iron alkali salt and a process for production thereof 有权
    S,S-乙二胺-N,N'-二琥珀酸铁碱金属盐及其制备方法

    公开(公告)号:US06515159B2

    公开(公告)日:2003-02-04

    申请号:US09931245

    申请日:2001-08-17

    IPC分类号: C07F1502

    摘要: An S,S-ethylenediamine-N,N′-disuccinic acid iron alkali salt which contains a lactam compound represented by the following general formula (1): wherein M is an ammonium ion or an alkali metal ion, and an ethylenediaminemonosuccinic acid represented by the following general formula (2): wherein M is an ammonium ion or an alkali metal ion, in an amount of 7 wt % or less, respectively.

    摘要翻译: 一种含有由以下通式(1)表示的内酰胺化合物的S,S-乙二胺-N,N'-二琥珀酸铁碱金属盐:其中M是铵离子或碱金属离子,和由以下化学式表示的乙二胺一琥珀酸: 以下通式(2):其中M为铵离子或碱金属离子,分别为7重量%以下。

    Iron alkali salt of S,S-ethylenediamine-N,N′-disuccinic acid and process for producing the same
    3.
    发明授权
    Iron alkali salt of S,S-ethylenediamine-N,N′-disuccinic acid and process for producing the same 失效
    S,S-乙二胺-N,N'-二琥珀酸的铁碱盐及其制造方法

    公开(公告)号:US06300510B1

    公开(公告)日:2001-10-09

    申请号:US09530275

    申请日:2000-04-28

    IPC分类号: C07F1502

    摘要: An S,S-ethylenediamine-N,N′-disuccinic acid iron alkali salt which contains a lactam compound represented by the following general formula (1): wherein M is an ammonium ion or an alkali metal ion, and an ethylenediaminemonosuccinic acid represented by the following general formula (2): wherein M is an ammonium ion or an alkali metal ion, in an amount of 7 wt % or less, respectively.

    摘要翻译: 一种含有由以下通式(1)表示的内酰胺化合物的S,S-乙二胺-N,N'-二琥珀酸铁碱金属盐:其中M是铵离子或碱金属离子,和由以下化学式表示的乙二胺一琥珀酸: 以下通式(2):其中M为铵离子或碱金属离子,分别为7重量%以下。