Phosphorus-containing compounds based on 1-hydroxypropane-1,
3-diphosphonic acid
    2.
    发明授权
    Phosphorus-containing compounds based on 1-hydroxypropane-1, 3-diphosphonic acid 失效
    基于1-羟基丙烷-1,3-二膦酸的含磷化合物

    公开(公告)号:US6090345A

    公开(公告)日:2000-07-18

    申请号:US240285

    申请日:1999-01-29

    CPC分类号: C07F9/386 C02F5/14 C07F9/404

    摘要: The present invention relates to phosphorus-containing compounds based on 1-hydroxypropane-1,3-diphosphonic acid and to the acid itself of general formula (I) ##STR1## in which M.sup.1, M.sup.2, M.sup.3, M.sup.4 and M.sup.5, independently of one another, each denote a radical from the series hydrogen, alkali metal, an equivalent of ammonium, alkyl- or hydroxyalkyl-substituted ammonium,a process for the preparation thereof, novel intermediates and the use thereof as a corrosion inhibitor, scale inhibitor and as a flame retardant.

    摘要翻译: 本发明涉及基于1-羟基丙烷-1,3-二膦酸的含磷化合物和通式(I)的酸本身,其中M1,M2,M3,M4和M5彼此独立地各自独立地 表示来自氢,碱金属,等价的铵,烷基或羟烷基取代的铵的基团,其制备方法,新型中间体及其作为缓蚀剂,阻垢剂和阻燃剂的用途。