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62 条记录 (耗时 0.027 秒)

    Method for producing alkylene glycol with a low carbonyl compound content
    22.
    发明授权
    Method for producing alkylene glycol with a low carbonyl compound content 失效
    具有低羰基化合物含量的亚烷基二醇的制备方法

    公开(公告)号：US06329558B1

    公开(公告)日：2001-12-11

    申请号：US09581229

    申请日：2000-06-23

    申请人： Jürgen Mohr ,  Toni Dockner

    发明人： Jürgen Mohr ,  Toni Dockner

    IPC分类号： C07C2726

    CPC分类号： C07C29/80 ,  C07C29/106 ,  C07C29/94 ,  Y02P20/52 ,  C07C31/202

    摘要： In a process for isolating alkylene glycol having a low aldehyde content, in which a mixture comprising alkylene glycol is subjected to a final distillation, formic acid or a formate or a mixture of two or more formates or a mixture of formic acid and one or more formates is present in the mixture comprising alkylene glycol.

    摘要翻译： 在分离具有低醛含量的亚烷基二醇的方法中，其中使包含亚烷基二醇的混合物进行最终蒸馏，甲酸或甲酸盐或两种或更多种甲酸盐的混合物或甲酸和一种或多种 含有亚烷基二醇的混合物中存在甲酸盐。

    Continuous preparation of alkyl esters of (meth)acrylic acid and apparatus for this purpose
    23.
    发明授权
    Continuous preparation of alkyl esters of (meth)acrylic acid and apparatus for this purpose 失效
    连续制备（甲基）丙烯酸的烷基酯和用于此目的的设备

    公开(公告)号：US5811574A

    公开(公告)日：1998-09-22

    申请号：US713208

    申请日：1996-09-12

    申请人： Herbert Exner ,  Karl Baur ,  Toni Dockner ,  Christiane Potthoff ,  Albrecht Dams

    发明人： Herbert Exner ,  Karl Baur ,  Toni Dockner ,  Christiane Potthoff ,  Albrecht Dams

    IPC分类号： C07C67/08 ,  C07C67/54 ,  C07C69/54 ,  C07C69/52

    CPC分类号： C07C67/08

    摘要： In a process and an apparatus for the continuous preparation of alkyl esters of (meth)acrylic acid by reacting (meth)acrylic acid and monohydric alkanols of 1 to 8 carbon atoms in the homogeneous, liquid, solvent-free phase at elevated temperatures and in the presence of an acidic esterification catalyst, by feeding the (meth)acrylic acid, the alkanol and the acid catalyst continuously to a reaction zone, the reaction zone consists of a cascade of at least two reaction regions connected in series, and the discharge stream of one reaction region forms a feed stream of a downstream reaction region. The cascade may have from two to four reaction regions spatially separated from one another.

    摘要翻译： 在（甲基）丙烯酸的烷基酯的连续制备方法和装置中，通过使（甲基）丙烯酸和1至8个碳原子的一元链烷醇在均相，液体，无溶剂相中在高温和 酸性酯化催化剂的存在通过将（甲基）丙烯酸，链烷醇和酸催化剂连续进料到反应区，反应区由串联连接的至少两个反应区的级联组成，排出流 的一个反应区域形成下游反应区域的进料流。 级联可以具有在空间上彼此分离的两个至四个反应区域。

    Separation of a diester of (meth)acrylic acid with a C.sub.4 -C.sub.6 -alkanediol
    24.
    发明授权
    Separation of a diester of (meth)acrylic acid with a C.sub.4 -C.sub.6 -alkanediol 失效
    （甲基）丙烯酸的二酯与C4-C6-链烷二醇的分离

    公开(公告)号：US5663421A

    公开(公告)日：1997-09-02

    申请号：US541703

    申请日：1995-10-10

    申请人： Toni Dockner ,  Helmut Lermer ,  Ulrich Rauh ,  Gerhard Nestler

    发明人： Toni Dockner ,  Helmut Lermer ,  Ulrich Rauh ,  Gerhard Nestler

    IPC分类号： C07C57/07 ,  C07C67/08 ,  C07C67/58 ,  C07C69/54 ,  C07C67/48

    CPC分类号： C07C67/58

    摘要： A diester of (meth)acrylic acid with a C.sub.4 -C.sub.6 -alkanediol is separated from a mixture which essentially consists of the C.sub.4 -C.sub.6 -alkanediol, the monoester of (meth)acrylic acid with the C.sub.4 -C.sub.6 -alkanediol and the diester of (meth)acrylic acid with the C.sub.4 -C.sub.6 -alkanediol by extraction with an organic solvent in the presence of water, by a process in which the diester-containing mixture is added continuously in the middle section of an extraction column and in addition water and the organic extracting agent are passed continuously countercurrent in the extraction column.

    摘要翻译： （甲基）丙烯酸与C4-C6-链烷二醇的二酯与C4-C6-链烷二醇，（甲基）丙烯酸与C4-C6-链烷二醇的单酯和 （甲基）丙烯酸与C4-C6-链烷二醇的有机溶剂在水的存在下萃取，其中将含二酯的混合物连续加入萃取塔的中间部分，另外加入水和 有机提取剂在提取塔中持续逆流通过。

    Nitroimidazoles
    27.
    发明授权
    Nitroimidazoles 失效
    硝基咪唑

    公开(公告)号：US4218460A

    公开(公告)日：1980-08-19

    申请号：US958399

    申请日：1978-11-07

    申请人： Helmut Fleig ,  Helmut Hagen ,  Toni Dockner ,  Friedrich W. Kohlmann

    发明人： Helmut Fleig ,  Helmut Hagen ,  Toni Dockner ,  Friedrich W. Kohlmann

    IPC分类号： C07D417/06

    CPC分类号： C07D417/06

    摘要： Nitroimidazolylvinylthiadiazoles, their production, and formulations containing same for use as chemotherapeutics in the treatment of microbial infections in humans and animals, especially of trichomoniasis, trypanosomiasis and amoebic dysentery.

    摘要翻译： 硝基咪唑基乙烯基噻二唑，它们的生产和包含其的制剂，用作治疗人和动物，特别是毛滴虫病，锥虫病和阿米巴痢疾的微生物感染的化学治疗剂。

    Continuous production of N-alkylarylamines
    28.
    发明授权
    Continuous production of N-alkylarylamines 失效
    连续生产N-烷基铝

    公开(公告)号：US3957874A

    公开(公告)日：1976-05-18

    申请号：US487236

    申请日：1974-07-10

    申请人： Toni Dockner ,  Herbert Krug

    发明人： Toni Dockner ,  Herbert Krug

    IPC分类号： C07B61/00 ,  B01J21/00 ,  C07C67/00 ,  C07C209/00 ,  C07C209/18 ,  C07C211/46 ,  C07C211/48 ,  C07C211/50 ,  C07C87/62 ,  C07C121/50

    CPC分类号： C07C209/18

    摘要： An improved process for the continuous production of N-alkylarylamines by reaction of arylamines with alkanols and/or dialkyl ethers in the gas phase at a temperature of from 180.degree. to 450.degree.C in the presence of carrier substances which contain an oxyacid of phosphorus. The improvement consists in using silicic acid having an internal surface area of from 50 to 500 square meters per gram and a content of from 0.1 to 20% by weight of phosphoric acid and in the continuous supply of phosphoric acid and/or an alkyl phosphate to the catalyst during the reaction. N-alkylarylamines are starting materials for the production of dyes, pesticides, plant protection agents and growth regulators. They are also suitable as additives to mineral oils or to coating compositions and other polymerized systems.

    Continuous preparation of alkyl esters of (meth)acrylic acid and apparatus for this purpose
    29.
    发明授权
    Continuous preparation of alkyl esters of (meth)acrylic acid and apparatus for this purpose 失效
    连续制备（甲基）丙烯酸的烷基酯和用于此目的的设备

    公开(公告)号：US5900125A

    公开(公告)日：1999-05-04

    申请号：US119649

    申请日：1998-07-21

    申请人： Herbert Exner ,  Karl Baur ,  Toni Dockner ,  Christiane Potthoff ,  Albrecht Dams

    发明人： Herbert Exner ,  Karl Baur ,  Toni Dockner ,  Christiane Potthoff ,  Albrecht Dams

    IPC分类号： C07C67/08 ,  C07C67/54 ,  C07C69/54 ,  B01D3/34 ,  C07C69/52

    CPC分类号： C07C67/08

    摘要： In a process and an apparatus for the continuous preparation of alkyl esters of (meth)acrylic acid by reacting (meth)acrylic acid and monohydric alkanols of 1 to 8 carbon atoms in the homogeneous, liquid, solvent-free phase at elevated temperatures and in the presence of an acidic esterification catalyst, by feeding the (meth)acrylic acid, the alkanol and the acid catalyst continuously to a reaction zone, the reaction zone consists of a cascade of at least two reaction regions connected in series, and the discharge stream of one reaction region forms a feed stream of a downstream reaction region. The cascade may have from two to four reaction regions is spatially separated from one another.

    摘要翻译： 在（甲基）丙烯酸的烷基酯的连续制备方法和装置中，通过使（甲基）丙烯酸和1至8个碳原子的一元链烷醇在均相，液体，无溶剂相中在高温和 酸性酯化催化剂的存在通过将（甲基）丙烯酸，链烷醇和酸催化剂连续进料到反应区，反应区由串联连接的至少两个反应区的级联组成，排出流 的一个反应区域形成下游反应区域的进料流。 级联可能具有两到四个反应区域在空间上彼此分离。