中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

7 records (took 0.057 seconds)

    Cyclic phosphonic acid esters
    1.
    发明授权
    Cyclic phosphonic acid esters 失效
    环状膦酸酯

    公开(公告)号：US3922323A

    公开(公告)日：1975-11-25

    申请号：US37453473

    申请日：1973-06-28

    Applicant: HOECHST AG

    Inventor： REESE JOHANNES ,  KRAFT KURT ,  DICK EDGAR

    IPC: C07F9/40 ,  C07F9/6571 ,  C08K5/5357

    CPC classification number: C07F9/657181 ,  C07F9/4025 ,  C07F9/4056 ,  C07F9/657136 ,  C08K5/53 ,  C08K5/5357 ,  C08L67/06

    Abstract: A flame-retardant composition consisting essentially of a) an unsaturated polymeric condensation product of unsaturated dibasic acid and polyhydric alcohol and b) a cyclic phosphonic ester having the formula (I) according to claim 1, wherein the symbols have the meaning as defined therein, a hardened body obtained from the composition, compounds of the formula (I) and a process for their preparation.

    Abstract translation: 一种阻燃组合物，其基本上由a）不饱和二元酸和多元醇的不饱和聚合物缩合产物和b）根据权利要求1所述的具有式（I）的环状膦酸酯，其中符号具有其中定义的含义， 由组合物获得的硬化体，式（I）的化合物及其制备方法。

    N,N{40 -Substituted 2,4,5-triketoimidazolidines
    2.
    发明授权
    N,N{40 -Substituted 2,4,5-triketoimidazolidines 失效
    N，N {40-取代的2,4,5-三酮咪唑烷

    公开(公告)号：US3928376A

    公开(公告)日：1975-12-23

    申请号：US23098972

    申请日：1972-03-01

    Applicant: HOECHST AG

    Inventor： REESE JOHANNES ,  KRAFT KURT

    IPC: C07D233/96 ,  C08G18/38 ,  C08G73/06 ,  C08K5/3445 ,  C09B1/38

    CPC classification number: C09B1/38 ,  C07D233/96 ,  C08G18/3821 ,  C08G73/0616 ,  C08K5/3445

    Abstract: The invention relates to a process for the preparation of a N, N''-substituted 2,4,5-triketoimidazolidine which comprises reacting an oxamidate ester with an isocyanate or an isocyanateforming in the presence or absence of a catalyst, at temperatures of -20* to +280*C, a product obtained therefrom and a shaped article containing it as the essential ingredient.

    Abstract translation: 本发明涉及一种制备N，N'-取代的2,4,5-三酮咪唑烷的方法，该方法包括在存在或不存在催化剂的情况下，使异丁酰胺酯与异氰酸酯或异氰酸酯形成反应，在 -20℃至+ 280℃，由其获得的产品和含有它作为必要成分的成型制品。

Patent Agency Ranking