Method for producing isocyanates
    43.
    发明授权
    Method for producing isocyanates 失效
    异氰酸酯的制备方法

    公开(公告)号:US07482481B2

    公开(公告)日:2009-01-27

    申请号:US10492618

    申请日:2002-10-17

    IPC分类号: C07C263/00

    摘要: In a process for preparing isocyanates by reacting the corresponding primary amines with phosgene in an inert solvent, use is made of from 0.01 to 50 mol % of a phosphine oxide, based on the total amount of primary amine and isocyanate formed in the reaction solution.

    摘要翻译: 在惰性溶剂中通过使相应的伯胺与光气反应来制备异氰酸酯的方法中,使用基于反应溶液中形成的伯胺和异氰酸酯的总量为0.01至50摩尔%的氧化膦。

    Preparation of an alkenylphosphonic acid derivative
    45.
    发明授权
    Preparation of an alkenylphosphonic acid derivative 失效
    烯基膦酸衍生物的制备

    公开(公告)号:US07399876B2

    公开(公告)日:2008-07-15

    申请号:US10977436

    申请日:2004-11-01

    IPC分类号: C07F9/02

    CPC分类号: C07F9/4015

    摘要: Process for preparing an alkenylphosphonic acid derivative by reacting a phosphonic acid derivative with an alkyne in the presence of a catalyst complex system, wherein the catalyst complex system comprises (a) nickel, (b) a phosphine having at least two trivalent phosphorus atoms and in addition (c) a phosphine having one trivalent phosphorus atom.

    摘要翻译: 在催化剂络合物体系存在下使膦酸衍生物与炔烃反应制备链烯基膦酸衍生物的方法,其中所述催化剂络合物体系包含(a)镍,(b)具有至少两个三价磷原子的膦和 加入(c)具有一个三价磷原子的膦。

    Method for producing monoisocyanates and oligoisocyanates
    48.
    发明授权
    Method for producing monoisocyanates and oligoisocyanates 失效
    单异氰酸酯和低聚异氰酸酯的制备方法

    公开(公告)号:US06683204B1

    公开(公告)日:2004-01-27

    申请号:US10070393

    申请日:2002-03-04

    IPC分类号: C07C26310

    摘要: The present invention relates to a process for the preparation of aliphatic, cycloaliphatic, araliphatic and aromatic mono- and oligoisocyanates by phosgenation of the corresponding primary amines at atmospheric pressure, which comprises a) introducing a catalytic amount of a monoisocyanate (isocyanate a) into an inert solvent together with phosgene; b) adding the primary amine, and c) reacting the resulting reaction mixture with phosgene.

    摘要翻译: 本发明涉及通过在大气压下相应的伯胺的光气化制备脂族,脂环族,芳脂族和芳族单 - 和低聚异氰酸酯的方法,其包括a)将催化量的单异氰酸酯(异氰酸酯a)引入惰性 溶剂与光气一起加入; b)加入伯胺,和c)使得到的反应混合物与光气反应。

    Reaction of organic compounds over macroporous supported catalysts comprising boron oxide
    49.
    发明授权
    Reaction of organic compounds over macroporous supported catalysts comprising boron oxide 失效
    有机化合物与包含氧化硼的大孔载体催化剂反应

    公开(公告)号:US06432861B1

    公开(公告)日:2002-08-13

    申请号:US09349082

    申请日:1999-07-08

    IPC分类号: C08F804

    CPC分类号: C08F8/04 B01J21/02

    摘要: In a process for reacting an organic compound in the presence of a catalyst comprising, as active metal, at least one metal of transition group VIII of the Periodic Table, either alone or together with at least one metal of transition group I or VII of the Periodic Table, in an amount of from 0.01 to 30% by weight, based on the total weight of the catalyst, applied to a support containing macropores, the support comprises, as a support component, boron(III) oxide in an amount of from 10 to 100% by weight, based on the total weight of the support.

    摘要翻译: 在一种催化剂存在下使有机化合物反应的方法,该催化剂包含作为活性金属的至少一种元素周期表第VIII族金属,单独或与至少一种第 周期表,以基于催化剂总重量的0.01至30重量%的量施用于含有大孔的载体,载体包含作为载体组分的氧化硼(III),其量为 10至100重量%,基于载体的总重量。