Removal of arsenic from hydrogen fluoride
    7.
    发明公开
    Removal of arsenic from hydrogen fluoride 失效
    从氟化氢中去除砷

    公开(公告)号:EP0160737A3

    公开(公告)日:1987-11-11

    申请号:EP84113065

    申请日:1984-10-30

    IPC分类号: C01B07/24

    CPC分类号: C01B7/195

    摘要: Arsenic impurities are removed from anhydrous hydrogen fluoride by treating the hydrogen fluoride with elemental chlorine and anhydrous hydrogen chloride or a fluoride salt or both and then separating the purified anhydrous hydrogen fluoride, preferably by distillation, from the nonvolatile arsenic compounds.

    Photochemical process for preparing amines
    10.
    发明公开
    Photochemical process for preparing amines 失效
    Photochemisches Verfahren zur Herstellung von Aminen。

    公开(公告)号:EP0158716A2

    公开(公告)日:1985-10-23

    申请号:EP84114462.9

    申请日:1984-11-30

    IPC分类号: C07C85/18 C07C87/06 C07C87/32

    CPC分类号: B01J19/122 C07C209/60

    摘要: Aliphatic, cycloaliphatic, heterocyclic aliphatic and aromatic amines are prepared in a liquid phase reaction under the influence of light energy in the presence of a specified ammonium halide photocatalyst whereby addition of N-H bonds from ammonia or a primary or secondary amine occurs across the double bond of an olefin.

    摘要翻译: 在特定卤化铵光催化剂存在下,在光能的影响下,在液相反应中制备脂肪族,脂环族,杂环脂族和芳族胺,由此在氨或伯胺或仲胺的双键上加入NH键 烯烃。