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    Method for the deionization of substances that are not stable at acidic pH
    1.
    发明授权
    Method for the deionization of substances that are not stable at acidic pH 失效
    在酸性pH下不稳定的物质去离子的方法

    公开(公告)号：US06066259A

    公开(公告)日：2000-05-23

    申请号：US94510

    申请日：1998-06-10

    申请人： Carlo Felice Viscardi ,  Marina Ausonio ,  Giuseppe Dionisio

    发明人： Carlo Felice Viscardi ,  Marina Ausonio ,  Giuseppe Dionisio

    IPC分类号： B01J47/02 ,  B01D15/04 ,  B01J39/04 ,  B01J41/04 ,  C02F1/42

    CPC分类号： B01J39/046

    摘要： A process based on ion exchange with separated beds is disclosed for the deionization of substances that are not stable in the presence of strongly acidic cation exchangers, wherein the solution to be deionized is contacted with a first bed consisting of a basic anion exchanger in the form of hydrogen carbonate and subsequently with a second bed, connected in series, consisting of a weakly acidic cation exchanger in hydrogen form.

    摘要翻译： 公开了一种基于与分离床的离子交换的方法，用于在强酸性阳离子交换剂存在下不稳定的物质的去离子，其中待去离子的溶液与由碱性阴离子交换剂组成的第一床 的碳酸氢盐，随后与第二床串联连接，由氢形式的弱酸性阳离子交换剂组成。

    Device for the deionization of substances that are not stable at acidic pH
    2.
    发明授权
    Device for the deionization of substances that are not stable at acidic pH 有权
    在酸性pH下不稳定的物质去离子的装置

    公开(公告)号：US06432306B1

    公开(公告)日：2002-08-13

    申请号：US09547904

    申请日：2000-04-11

    申请人： Carlo Felice Viscardi ,  Marina Ausonio ,  Giuseppe Dionisio

    发明人： Carlo Felice Viscardi ,  Marina Ausonio ,  Giuseppe Dionisio

    IPC分类号： B01D3346

    CPC分类号： B01J47/028 ,  B01J41/05 ,  B01J39/07 ,  B01J41/07

    摘要： A process based on ion exchange with separated beds is disclosed for the deionization of substances that are not stable in the presence of strongly acidic cation exchangers, wherein the solution to be deionized is contacted with a first bed consisting of a basic anion exchanger in the form of hydrogen carbonate and subsequently with a second bed, connected in series, consisting of a weakly acidic cation exchanger in hydrogen form.

    摘要翻译： 公开了一种基于与分离床的离子交换的方法，用于在强酸性阳离子交换剂存在下不稳定的物质的去离子，其中待去离子的溶液与由碱性阴离子交换剂组成的第一床 的碳酸氢盐，随后与第二床串联连接，由氢形式的弱酸性阳离子交换剂组成。

    Process for the preparation of macrocyclic chelants and the chelates thereof with paramagnetic metal ions
    4.
    发明授权
    Process for the preparation of macrocyclic chelants and the chelates thereof with paramagnetic metal ions 有权
    制备大环螯合剂及其螯合物与顺磁金属离子的方法

    公开(公告)号：US6042810A

    公开(公告)日：2000-03-28

    申请号：US317271

    申请日：1999-05-24

    申请人： Giorgio Ripa ,  Alessandro Scala ,  Marcella Murru ,  Carlo Felice Viscardi ,  Marina Ausonio ,  Chiara Scotti ,  Patrizia Cossutta

    发明人： Giorgio Ripa ,  Alessandro Scala ,  Marcella Murru ,  Carlo Felice Viscardi ,  Marina Ausonio ,  Chiara Scotti ,  Patrizia Cossutta

    IPC分类号： C07D257/02 ,  A61B5/055 ,  C07D487/22

    CPC分类号： C07D257/02

    摘要： A process for the preparation of complexes of macrocyclic chelants with paramagnetic metal trivalent ions of formula (XII) ##STR1## wherein R.sub.1, R.sub.2 and Me.sup.3+ are as described in the following, comprising: a) reaction of 1,4,7,10-tetraazacyclododecane with triethyl orthoformate to give 5H,9bH-2a,4a,7,9a-octahydrotetraazacycloocta[cd]pentalene; b) carboxymethylation reaction in water; c) hydrolysis reaction in basic conditions; d) alkylation according to known methods with an epoxide in water; e) complexation according to known methods carried out in water by addition of a paramagnetic metal salt; f) purification by diafiltration, final desalting of the aqueous solution on ion exchange resins and g) crystallization or recovery.

    摘要翻译： 制备大环螯合物与式（Ⅻ）的顺磁金属三价离子的络合物的方法，其中R 1，R 2和Me 3 +如下所述，其包括：a）将1,4,7,10-四氮杂环十二烷与三乙基 得到5H，9bH-2a，4a，7,9a-八氢四氮杂环辛酸[cd] b）在水中的羧甲基化反应; c）碱性条件下的水解反应; d）根据已知方法用环氧化物在水中烷基化; e）根据已知方法，通过加入顺磁金属盐在水中进行络合; f）通过渗滤净化，水溶液对离子交换树脂的最终脱盐，以及g）结晶或回收。

    Device and method for the regeneration of mixed ion exchange resin beds
    8.
    发明授权
    Device and method for the regeneration of mixed ion exchange resin beds 失效
    混合离子交换树脂床再生装置及方法

    公开(公告)号：US06437010B1

    公开(公告)日：2002-08-20

    申请号：US09693964

    申请日：2000-10-23

    申请人： Carlo Felice Viscardi ,  Marina Ausonio ,  Mauro Parenti

    发明人： Carlo Felice Viscardi ,  Marina Ausonio ,  Mauro Parenti

    IPC分类号： C08J520

    CPC分类号： B01J49/18 ,  B01J49/09

    摘要： A method for desalination of water or of aqueous solutions derived from industrial process that use two columns: the first treatment column containing a mixed bed of ion exchange resins, in which the cation exchange resins are regenerated, and a second column, into which the anion exchange resins are transferred and regenerated, to be then reintroduced from the bottom into the above mentioned first column, where they rise through the cation exchange resins.

    摘要翻译： 一种脱盐水或由工业过程得到的使用两列的水溶液的方法：含有离子交换树脂的混合床的第一处理塔，其中阳离子交换树脂被再生，第二塔是阴离子 交换树脂被转移和再生，然后从底部重新引入上述第一列，在那里它们升高通过阳离子交换树脂。

    Device and method for the regeneration of mixed ion exchange resin beds
    9.
    发明授权
    Device and method for the regeneration of mixed ion exchange resin beds 有权
    混合离子交换树脂床再生装置及方法

    公开(公告)号：US06187826B1

    公开(公告)日：2001-02-13

    申请号：US09125461

    申请日：1998-08-19

    申请人： Carlo Felice Viscardi ,  Marina Ausonio ,  Mauro Parenti

    发明人： Carlo Felice Viscardi ,  Marina Ausonio ,  Mauro Parenti

    IPC分类号： C08J520

    CPC分类号： B01J49/18 ,  B01J49/09

    摘要： Equipment and procedures for regenerating ion exchange resin mixed beds, used for the desalination of water or of aqueous solutions from industrial processes (process solutions), that use two columns: the first treatment column (C1), containing a mixed bed of ion exchange resins, in which the cation exchange resins are regenerated, and a second column (C2) into which the anion exchange resins are transferred and regenerated, to be then reintroduced from the bottom into the above mentioned first column (C1), where they rise through the cation exchange resins and intimately mix with the anionic exchange resins.

    摘要翻译： 用于再生离子交换树脂混合床的设备和程序，用于从工业过程中脱水的水或水溶液（工艺溶液），其使用两个柱：第一处理塔（C1），其含有离子交换树脂的混合床 ，其中阳离子交换树脂被再生，以及第二塔（C2），其中阴离子交换树脂被转移和再生入其中，然后从底部再次引入到上述第一列（C1）中，其中它们通过 阳离子交换树脂，并与阴离子交换树脂充分混合。