会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 6. 发明申请
    • PURIFICATION OF TRIS-HYDROXYARYL COMPOUNDS
    • 三羟甲基化合物的纯化
    • US20110251438A1
    • 2011-10-13
    • US13081811
    • 2011-04-07
    • Christian MünnichStephan KonradKarl-Heinz Köhler
    • Christian MünnichStephan KonradKarl-Heinz Köhler
    • C07C39/16C07C37/86
    • C07C37/82C07C39/16
    • The present invention is directed to a composition comprising a tris-hydroxyaryl compound having a metal ion impurity content of less than 10 ppm and to a process for the purification of tris-hydroxyaryl compound having a metal ion impurity, comprising at least the following steps: a) conditioning a sulphonic acid group-containing active ion exchanger with a solvent which is suitable for the handling of the tris-hydroxyaryl compounds, b) producing a solution of the tris-hydroxyaryl compounds to be purified in a solvent which is suitable for the handling of the tris-hydroxyaryl compounds, c) contacting the tris-hydroxyaryl compound-containing solution from b) with the conditioned ion exchanger from a), d) separating the tris-hydroxyaryl compound-containing solution from c) from the conditioned ion exchanger, e) removing at least part of the solvent from the solution of the tris-hydroxyaryl compound separated in d) under low temperature stress.
    • 本发明涉及包含金属离子杂质含量小于10ppm的三羟基芳基化合物和纯化具有金属离子杂质的三羟基芳基化合物的方法的组合物,至少包括以下步骤: a)用适合于处理三羟基芳基化合物的溶剂调节含磺酸基团的活性离子交换剂,b)产生待纯化的三羟基芳基化合物在适合于 处理三羟基芳基化合物,c)使来自b)的三羟基芳基化合物的溶液与a)的调节离子交换剂接触,d)从调节离子交换器中分离含有三羟基芳基化合物的溶液与c) ,e)在低温应力下从d)中分离的三羟基芳基化合物的溶液中除去至少一部分溶剂。