Preferential hydrochlorination in perchloroethylene process
    1.
    发明授权
    Preferential hydrochlorination in perchloroethylene process 失效
    邻氯乙烯过程中优选的氢化反应

    公开(公告)号:US3860666A

    公开(公告)日:1975-01-14

    申请号:US29970672

    申请日:1972-10-24

    Inventor: BECKERS NORMAN L

    CPC classification number: C07C45/42 C07C21/12

    Abstract: In a process for the production of perchloroethylene in an alumina-containing fluid bed reactor, the addition to the reaction gases, prior to an anhydrous quenching step, of a preferentially hydrochlorinatable ethylenically unsaturated chlorinated hydrocarbon reduces the tendency of the trichloroethylene also contained in the reaction gases to hydrochlorinate forming unsymmetrical tetrachloroethane.

    Abstract translation: 在含氧化铝流化床反应器中生产全氯乙烯的方法中,在无水淬火步骤之前,加入优选可氢化烯属不饱和氯化烃的反应气体降低了反应中所含的三氯乙烯的倾向 气体形成不对称四氯乙烷的氢氯化物。

    Stabilized methylene chloride composition
    3.
    发明授权
    Stabilized methylene chloride composition 失效
    稳定的二氯甲烷组合物

    公开(公告)号:US3898195A

    公开(公告)日:1975-08-05

    申请号:US46933374

    申请日:1974-05-13

    Inventor: BECKERS NORMAN L

    CPC classification number: C23G5/0289 C07C17/42 C07C19/03

    Abstract: Methylene chloride stabilized by admixture with diisopropylamine, N-methyl pyrrole, butylene oxide, propylene oxide, methyl acetate, acetone, tertiary amylenes, and methyl alcohol. The composition is useful in metal degreasing.

    Abstract translation: 通过与二异丙胺,N-甲基吡咯,环氧丁烷,环氧丙烷,乙酸甲酯,丙酮,叔戊烯和甲醇的混合而稳定的二氯甲烷。 该组合物可用于金属脱脂。

    Methylene chloride stabilized with organic epoxides
    4.
    发明授权
    Methylene chloride stabilized with organic epoxides 失效
    用有机环氧化物稳定的二氯甲烷

    公开(公告)号:US3887628A

    公开(公告)日:1975-06-03

    申请号:US33536373

    申请日:1973-02-23

    Inventor: BECKERS NORMAN L

    CPC classification number: C23G5/0288 C07C17/42 C07C19/03

    Abstract: Organic epoxides in admixture with methylene chloride have been found to prevent degradation of methylene chloride in the presence of metals, metal halides, combinations thereof, and aromatic compounds, which react with methylene chloride in the presence of said metals, metal halides and combinations thereof. Reactions of aliphatic organic compounds with said metals, metal halides and combinations thereof to form products which result in deterioration of methylene chloride are also inhibited. A method for vapor degreasing metals by using the stabilized methylene chloride is described.

    Abstract translation: 已经发现与二氯甲烷混合的有机环氧化物防止在金属,金属卤化物,其组合和芳族化合物的存在下二氯甲烷的降解,所述金属,金属卤化物,和二氯甲烷在所述金属,金属卤化物及其组合的存在下与二氯甲烷反应。 脂族有机化合物与所述金属,金属卤化物及其组合的反应形成产生二氯甲烷劣化的产物也受到抑制。 描述了通过使用稳定的二氯甲烷蒸汽除油金属的方法。

    Stabilization of methyl chloroform
    5.
    发明授权
    Stabilization of methyl chloroform 失效
    稳定甲基氯仿

    公开(公告)号:US3873631A

    公开(公告)日:1975-03-25

    申请号:US46618374

    申请日:1974-05-02

    CPC classification number: C23G5/02887 C07C17/42 C07C19/05

    Abstract: The tendency for methyl chloroform to decompose in the presence of metals, particularly aluminum, is inhibited by a stabilizer mixture comprising an epoxide, a nitroalkane and either propylene glycol mono-methyl ether, dioxepane or a mixture thereof.

    Abstract translation: 甲基氯仿在金属,特别是铝的存在下分解的趋势被包含环氧化物,硝基烷烃和丙二醇单甲醚,二氧杂环庚烷或其混合物的稳定剂混合物抑制。

    Methylene chloride stabilized with tetrahydrofuran
    6.
    发明授权
    Methylene chloride stabilized with tetrahydrofuran 失效
    甲基氯化物与四氢呋喃稳定

    公开(公告)号:US3860665A

    公开(公告)日:1975-01-14

    申请号:US33536573

    申请日:1973-02-23

    Inventor: BECKERS NORMAN L

    CPC classification number: C07C17/42 C07C19/03

    Abstract: Tetrahydrofuran and optionally propylene oxide in admixture with methylene chloride have been found to prevent degradation of methylene chloride in the presence of metals, metal halides, combinations thereof, and aromatic compounds, which react with methylene chloride in the presence of said metals, metal halides and combinations thereof. Reactions of aliphatic organic compounds with said metals, metal halides and combinations thereof to form products which result in deterioration of methylene chloride are also inhibited. A method for vapor degreasing metals by using the stabilized methylene chloride is described.

    Abstract translation: 已经发现四氢呋喃和任选的环氧丙烷与二氯甲烷混合,以防止金属,金属卤化物,其组合和芳族化合物在二氯甲烷存在下在所述金属,金属卤化物和 其组合。 脂族有机化合物与所述金属,金属卤化物及其组合的反应也可以抑制导致二氯甲烷劣化的产物。 描述了通过使用稳定的二氯甲烷蒸汽除油金属的方法。

    Methylene chloride stabilized with ketones
    7.
    发明授权
    Methylene chloride stabilized with ketones 失效
    甲基氯化物稳定与酮

    公开(公告)号:US3923912A

    公开(公告)日:1975-12-02

    申请号:US33498573

    申请日:1973-02-23

    Inventor: BECKERS NORMAN L

    CPC classification number: C23G5/02874

    Abstract: Ketones and optionally epoxides in admixture with methylene chloride have been found to prevent degradation of methylene chloride in the presence of metals, metal halides, combinations thereof, and aromatic compounds, which react with methylene chloride in the presence of said metals, metal halides and combinations thereof. Reactions of aliphatic organic compounds with said metals, metal halides and combinations thereof to form products which result in deterioration of methylene chloride are also inhibited. A method for vapor degreasing metals by using the stabilized methylene chloride is described.

    Abstract translation: 已经发现酮和任选的与二氯甲烷混合的环氧化物在金属,金属卤化物,其组合和芳族化合物存在下防止二氯甲烷的降解,所述金属,金属卤化物,其组合和芳族化合物在所述金属,金属卤化物和组合物的存在下与二氯甲烷反应 其中。 脂族有机化合物与所述金属,金属卤化物及其组合的反应也可以抑制导致二氯甲烷劣化的产物。 描述了通过使用稳定的二氯甲烷蒸汽除油金属的方法。

    Methylene chloride stabilized with methyl acetate
    8.
    发明授权
    Methylene chloride stabilized with methyl acetate 失效
    用乙酸甲酯稳定的二氯甲烷

    公开(公告)号:US3864408A

    公开(公告)日:1975-02-04

    申请号:US33536473

    申请日:1973-02-23

    Inventor: BECKERS NORMAN L

    CPC classification number: C23G5/0288 C07C17/42 C07C19/03

    Abstract: Methyl acetate and optionally propylene oxide in admixture with methylene chloride have been found to prevent degradation of methylene chloride in the presence of metals, metal halides, combinations thereof, and aromatic compounds, which react with methylene chloride in the presence of said metals, metal halides and combinations thereof. Reactions of aliphatic organic compounds with said metals, metal halides and combinations thereof to form products which result in deterioration of methylene chloride are also inhibited. A method for vapor degreasing metals by using the stabilized methylene chloride is described.

    Abstract translation: 已经发现乙酸甲酯和任选的环氧丙烷与二氯甲烷混合,以防止金属,金属卤化物,其组合和芳族化合物在二氯甲烷存在下在所述金属存在下,二氯甲烷的降解,金属卤化物 及其组合。 脂族有机化合物与所述金属,金属卤化物及其组合的反应也可以抑制导致二氯甲烷劣化的产物。 描述了通过使用稳定的二氯甲烷蒸汽除油金属的方法。

    Methylene chloride stabilized with acetonitrile
    9.
    发明授权
    Methylene chloride stabilized with acetonitrile 失效
    甲基氯化物稳定与乙腈

    公开(公告)号:US3862250A

    公开(公告)日:1975-01-21

    申请号:US33536673

    申请日:1973-02-23

    Inventor: BECKERS NORMAN L

    CPC classification number: C23G5/02883 C07C17/42 C07C19/03

    Abstract: Acetonitrile and optionally propylene oxide in admixture with methylene chloride have been found to prevent degradation of methylene chloride in the presence of metals, metal halides, combinations thereof, and aromatic compounds, which react with methylene chloride in the presence of said metals, metal halides and combinations thereof. Reactions of aliphatic organic compounds with said metals, metal halides and combinations thereof to form products which result in deterioration of methylene chloride are also inhibited. A method for vapor degreasing metals by using the stabilized methylene chloride is described.

    Abstract translation: 已经发现乙腈和任选的环氧丙烷与二氯甲烷混合,以防止金属,金属卤化物,它们的组合和芳族化合物在二氯甲烷存在下在所述金属,金属卤化物和 其组合。 脂族有机化合物与所述金属,金属卤化物及其组合的反应也可以抑制导致二氯甲烷劣化的产物。 描述了通过使用稳定的二氯甲烷蒸汽除油金属的方法。

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