Process for preparing m-aminobenzenephosphonic acid
    4.
    发明授权
    Process for preparing m-aminobenzenephosphonic acid 失效
    制备间氨基苯膦酸的方法

    公开(公告)号:US4028403A

    公开(公告)日:1977-06-07

    申请号:US693230

    申请日:1976-06-07

    IPC分类号: C07F9/38

    CPC分类号: C07F9/3834

    摘要: M-Aminobenzenephosphonic acid is prepared from the relatively inexpensive starting material benzenephosphonous acid by nitrating the acid starting material under controlled conditions followed by oxidation and reduction procedures to produce the desired product in high yields.

    摘要翻译: 通过在控制条件下硝酸化酸性起始原料,然后进行氧化和还原方法,从相对便宜的原料苯膦酸制备M-氨基苯膦酸,以高产率生产所需产物。

    Polysulfonic acids
    5.
    发明授权
    Polysulfonic acids 失效
    多糖类

    公开(公告)号:US5246901A

    公开(公告)日:1993-09-21

    申请号:US197464

    申请日:1988-05-23

    IPC分类号: B01J31/02 C07F9/30 C07F9/38

    CPC分类号: C07F9/3834 C07F9/304

    摘要: This invention provides novel compositions comprising aryl phosphonic or phosphinic acids substituted with more than one sulfo radical. These novel compounds may be reacted with tetravalent metal ions to provide polymers having an inorganic backbone, which polymers are useful as acid catalysts.

    摘要翻译: 本发明提供包含被多于一个磺基取代的芳基膦酸或次膦酸的新型组合物。 这些新化合物可以与四价金属离子反应以提供具有无机骨架的聚合物,该聚合物可用作酸催化剂。

    Esters of cellulose with phosphonic acid dyes having a sulfonamide bridge
    6.
    发明授权
    Esters of cellulose with phosphonic acid dyes having a sulfonamide bridge 失效
    具有磺酰胺桥膦酸染料的纤维素酯

    公开(公告)号:US4150021A

    公开(公告)日:1979-04-17

    申请号:US876052

    申请日:1978-02-08

    CPC分类号: C09B69/007 D06P1/38

    摘要: Dyes of the formula ##STR1## are disclosed which are useful in dyeings where the phosphonic acid group serves both as a water-solubilizing group and as a group capable of reacting to bond covalently with the fiber to be dyed. Application of the dyes to cellulose results in reactive dyeing by immobilization of the dye as a cellulose phosphonate ester. The dye substituent is a chromophore, e.g. an anthraquinone or azo chromophore, while R may be hydrogen or lower alkyl.

    摘要翻译: 公开了用于染色的式“IMAGE”的染料,其中膦酸基团既用作水溶性基团又作为能够与待染色的纤维共价键合的基团。 染料对纤维素的应用通过固定染料作为纤维素膦酸酯而导致活性染色。 染料取代基是发色团,例如 蒽醌或偶氮发色团,而R可以是氢或低级烷基。

    Selective manufacture of anhydrous modifications of methyl phosphonic
acid and use thereof in making pure methyl phosphonic acid and salts
thereof
    7.
    发明授权
    Selective manufacture of anhydrous modifications of methyl phosphonic acid and use thereof in making pure methyl phosphonic acid and salts thereof 失效
    甲基膦酸的无水改性的选择性制备及其制备纯甲基膦酸及其盐的用途

    公开(公告)号:US4129588A

    公开(公告)日:1978-12-12

    申请号:US394982

    申请日:1973-09-07

    IPC分类号: C07F9/38

    CPC分类号: C07F9/3895 C07F9/3808

    摘要: Pyro-methyl phosphonic acid (methyl phosphonic acid monoanhydride) is obtained in a high degree of purity and a yield approaching 100% of theory by the pyrolysis of dimethyl hydrogen phosphite in liquid phase. The pyrolysis product is then converted to methyl phosphonic acid by boiling with water. If desired, the resulting aqueous acid solution may be directly converted to a salt, e.g., to monoammonium methyl phosphonate by the addition of one mole of ammonia per mole of methyl phosphonic acid, or water may be evaporated from the aqueous acid solution and crystalline methyl phosphonic acid may thus be recovered.

    摘要翻译: 通过液相中二甲基亚磷酸氢盐的热解,以高纯度和理论值接近100%得到焦甲基膦酸(甲基膦酸单酐)。 然后通过用水煮沸将热解产物转化成甲基膦酸。 如果需要,所得到的酸性水溶液可以通过每摩尔甲基膦酸加入1摩尔氨直接转化成盐,例如加入甲基膦酸单铵盐,或者可以从酸性水溶液和结晶甲基 因此可以回收膦酸。

    Process for the preparation of polymers having an inorganic backbone
    9.
    发明授权
    Process for the preparation of polymers having an inorganic backbone 失效
    制备具有无机主链的聚合物的方法

    公开(公告)号:US4942218A

    公开(公告)日:1990-07-17

    申请号:US197459

    申请日:1988-05-23

    IPC分类号: C08G79/14

    CPC分类号: C08G79/14

    摘要: The present invention provides a method of making a polymer by reacting, in the absence of water, an organic compound having the general formula R-H wherein R represents an organo radical having at least one unsaturated carbon-carbon bond and H is covalently bonded to one of said carbons, with PX.sub.3, wherein X is a halide radical, and zirconium ions to yield a reaction product and oxidizing and hydrolyzing such reaction product to yield a polymer represented by the general formula Zr(O.sub.3 PR).sub.n wherein n varies from about 1 to about 2.5. R may comprise sulfonic acid groups or may comprise sulfonatable site for sulfonation during the oxidation step. In either case, the resulting product is useful as an acid catalyst.

    摘要翻译: 本发明提供一种制备聚合物的方法,该方法通过在没有水的情况下使具有通式RH的有机化合物反应,其中R表示具有至少一个不饱和碳 - 碳键的有机基团,并且H共价键合至 所述碳与PX3反应,其中X为卤化物基团,锆离子产生反应产物,氧化和水解该反应产物,得到由通式Zr(O3PR)n表示的聚合物,其中n为约1至约 2.5。 R可以包含磺酸基团,或者可以包括在氧化步骤期间磺化的可磺化位点。 在任一情况下,所得产物可用作酸催化剂。