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    Process for the preparation of tertiary methyl-phosphine oxides
    1.
    发明授权
    Process for the preparation of tertiary methyl-phosphine oxides 失效
    叔甲基膦氧化物的制备方法

    公开(公告)号：US3928463A

    公开(公告)日：1975-12-23

    申请号：US46013374

    申请日：1974-04-11

    Applicant: HOECHST AG

    Inventor： REUTER MARTIN ,  RUPP WALTER

    IPC: C07F9/53 ,  C08G18/38 ,  C07D105/02

    CPC classification number: C08G18/388 ,  C07F9/53

    Abstract: A process is provided for the catalytic preparation of tertiary methylphosphine oxides which comprises mixing hydroxymethylalkylphosphines with at least 1 weight % of carbon tetrachloride or carbon tetrabromide at a temperature of from -10* to +120*C, and, after the reaction is complete, isolating the tertiary methylphosphine oxide by distilling off the carbon tetrahalide.

    Abstract translation: 提供用于催化制备叔甲基氧化膦的方法，其包括在-10至+ 120℃的温度下将羟甲基 - 烷基膦与至少1重量％的四氯化碳或四溴化碳混合，并且在反应之后 通过蒸馏除去四卤化碳来分离叔甲基氧化膦。

    Process for the preparation of methylphosphine oxides
    3.
    发明授权
    Process for the preparation of methylphosphine oxides 失效
    甲基膦氧化物的制备方法

    公开(公告)号：US3927113A

    公开(公告)日：1975-12-16

    申请号：US46015374

    申请日：1974-04-11

    Applicant: HOECHST AG

    Inventor： REUTER MARTIN ,  RUPP WALTER

    IPC: C07F9/53 ,  C08G18/38 ,  C07D105/02

    CPC classification number: C07F9/53 ,  C08G18/388

    Abstract: A process is provided for the catalytic preparation of tertiary methylphosphine oxides, which comprises mixing hydrohydroxymethyl-alkylphosphines with at least 1 weight % of a carbon tetrahalide of the formula C(Hal1)(Hal2)(Hal3), Hal4, where Hal1 is fluorine, chlorine or bromine, and Hal2, Hal3 and Hal4 each is chlorine or bromine, only three of the radicals Hal1 to Hal4 being the same at temperatures of from -10* to +120*C and, after completed reaction, isolating the methylphosphine oxide of formula (I) so obtained by distilling off the carbon tetrahalide.

    Abstract translation: 提供用于催化制备叔甲基氧化膦的方法，其包括将羟基甲基 - 烷基膦与至少1重量％的式C（Hal1）（Hal2）（Hal3），Hal4的四卤化物（其中Hal1为 氟，氯或溴，Hal2，Hal3和Hal4各自为氯或溴，在-10至+120℃的温度下，只有3个Hal1至Hal4的基团相同，反应完成后，将甲基膦 通过蒸馏掉四卤化物得到的式（I）氧化物。

    Light-stabilized synthetic linear polyesters and shaped structures made therefrom
    4.
    发明授权
    Light-stabilized synthetic linear polyesters and shaped structures made therefrom 失效
    光稳定的合成线性聚酯和由其制成的成型结构

    公开(公告)号：US3887521A

    公开(公告)日：1975-06-03

    申请号：US46903274

    申请日：1974-05-10

    Applicant: HOECHST AG

    Inventor： BLOCKER ERICH ,  RUPP WALTER ,  JAKOB FRANZ

    IPC: C08G63/00 ,  C08G63/16 ,  C08G63/181 ,  C08G63/199 ,  C08G63/60 ,  D01F6/84 ,  C08G17/14

    CPC classification number: C08G63/60

    Abstract: Light-stabilized synthetic linear, fiber- and film-forming polyesters are obtained by incorporating into the macromolecules composed of dicarboxylic acid and diol moieties about 0.1 to 5 mole percent of structural units of the formula

    IN WHICH X stands for the group

    WHEREIN R1, R2 and R3 each are hydrogen or an alkyl radical having from 1 to 4 carbon atoms.

    Abstract translation: 通过掺入由二羧酸和二醇部分组成的大分子中获得轻稳定的合成线性，纤维和成膜聚酯，其中约0.1至5摩尔％的式IN结构单元，其中X代表WHEREIN R1，R2 和R 3各自为氢或具有1至4个碳原子的烷基。

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