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    Preparation of ethylene glycol
    2.
    发明授权
    Preparation of ethylene glycol 失效
    乙二醇的制备

    公开(公告)号：US4740525A

    公开(公告)日：1988-04-26

    申请号：US900770

    申请日：1986-08-26

    申请人： Robert Maerkl ,  Werner Bertleff ,  Wolfgang Harder ,  Rudolf Kummer

    发明人： Robert Maerkl ,  Werner Bertleff ,  Wolfgang Harder ,  Rudolf Kummer

    IPC分类号： C07B61/00 ,  B01J31/00 ,  C07C29/158 ,  C07C27/06 ,  C07C31/20

    CPC分类号： C07C29/158 ,  Y02P20/52

    摘要： Ethylene glycol is prepared from carbon monoxide and hydrogen in homogeneous liquid phase under superatmospheric pressure and at elevated temperature in the presence of a rhodium-containing catalyst and in the presence of an organic solvent, the organic solvent used being a C.sub.2 -C.sub.20 -n-alkanol and the concentration of this alkanol, based on the total amount of the mixture, constantly being maintained at not less than 50% by weight.

    摘要翻译： 乙二醇由均一液相中的一氧化碳和氢气在超大气压和升高的温度下在含铑催化剂存在下制备，并且在有机溶剂存在下，所用的有机溶剂是C 2 -C 20正 - 链烷醇和该烷醇的浓度，基于混合物的总量，不断保持在不小于50重量％。

    Preparation of alkyl pentenoates
    4.
    发明授权
    Preparation of alkyl pentenoates 失效
    戊烯酸烷基酯的制备

    公开(公告)号：US4925972A

    公开(公告)日：1990-05-15

    申请号：US378794

    申请日：1989-07-12

    申请人： Robert Maerkl ,  Wolfgang Harder

    发明人： Robert Maerkl ,  Wolfgang Harder

    IPC分类号： B01J31/20 ,  B01J31/40 ,  C07B61/00 ,  C07C67/38 ,  C07C69/533

    CPC分类号： C07C69/533

    摘要： Alkyl pentenoates are prepared by(a) reacting butadiene or a butadiene-containing hydrocarbon mixture with carbon monoxide and an alkanol in the presence of a tertiary aromatic heterocyclic nitrogen base and a cobalt carbonyl catalyst at from 80.degree. to 160.degree. C. under from 100 to 1,000 bar to obtain a reaction mixture which contains alkyl pentenoate, C.sub.6 -diester, tertiary nitrogen base, alkanol, butadiene, hydrocarbon and by-product,(b) substantially removing from the reaction mixture obtained any excess hydrocarbon, nitrogen base, alkanol and alkyl pentenoate by distillation to obtain a residue which contains cobalt carbonyl catalyst,(c) bringing the residue which contains cobalt carbonyl catalyst into contact with a mixture of carbon monoxide and hydrogen at elevated temperature and elevated pressure, and(d) recycling the residue which contains cobalt carbonyl catalyst into alkyl pentenoate synthesis stage (a).

    摘要翻译： 戊烯酸烷基酯通过以下步骤制备：（a）在叔芳族杂环氮碱和羰基钴催化剂存在下，在80〜160℃下，将丁二烯或含丁二烯的烃混合物与一氧化碳和链烷醇反应， 至1,000巴以获得含有戊烯酸烷基酯，C6-二酯，叔氮碱，链烷醇，丁二烯，烃和副产物的反应混合物，（b）从反应混合物中大量除去得到的任何过量的烃，氮碱，链烷醇和 通过蒸馏得到含有羰基钴催化剂的残余物，（c）在升高的温度和升高的压力下使包含羰基钴催化剂的残余物与一氧化碳和氢气的混合物接触，和（d）将残余物 含有羰基羰基催化剂成为戊烯酸烷基酯合成阶段（a）。

    Method for production of alkali metal dialkylamides
    8.
    发明申请
    Method for production of alkali metal dialkylamides 审中-公开
    碱金属二烷基酰胺的生产方法

    公开(公告)号：US20050038253A1

    公开(公告)日：2005-02-17

    申请号：US10495356

    申请日：2002-11-08

    申请人： Ulrich Steinbrenner ,  Ralf Bohling ,  Frank Funke ,  Wolfgang Harder

    发明人： Ulrich Steinbrenner ,  Ralf Bohling ,  Frank Funke ,  Wolfgang Harder

    IPC分类号： B01J31/26 ,  B01J31/02 ,  C07B61/00 ,  C07C209/00 ,  C07C209/60 ,  C07C211/03 ,  C07C211/35 ,  C07C211/65 ,  C07F1/00 ,  C07F1/02 ,  C07F1/04 ,  C07F1/06

    CPC分类号： C07C209/00 ,  C07C211/65

    摘要： A process for preparing dialkylamides of the alkali metals by reacting the corresponding dialkylamine with the corresponding alkali metal in the presence of an electron-donating substance selected from the group consisting of 1,3-butadiene, isoprene, naphthalene and styrene with formation of small amounts of butenyldialkylamine comprises suspending the corresponding alkali metal in a solvent and subsequently adding dialkylamine and electron-donating substance in such a way that the dialkylamine is present in an amount of up to 45% by weight, preferably up to 25% by, weight, in particular up to 15% by weight, and the butadiene is present in an amount of up to 5% by weight, preferably up to 3% by weight, in particular up to 1.5% by weight.

    摘要翻译： 一种通过使相应的二烷基胺与相应的碱金属在选自1,3-丁二烯，异戊二烯，萘和苯乙烯的给电子物质存在下，形成少量的碱金属制备二烷基酰胺的方法 的丁烯基二烷基胺包括将相应的碱金属悬浮在溶剂中，随后加入二烷基胺和给电子物质，使得二烷基胺以高达45重量％，优选至多25重量％的量存在 特别地高达15重量％，丁二烯的存在量为至多5重量％，优选至多3重量％，特别是至多1.5重量％。

    Method for regenerating a zeolitic catalyst
    9.
    发明授权
    Method for regenerating a zeolitic catalyst 有权
    再生沸石催化剂的方法

    公开(公告)号：US06380119B1

    公开(公告)日：2002-04-30

    申请号：US09424854

    申请日：2000-01-13

    申请人： Georg Heinrich Grosch ,  Ulrich Müller ,  Andreas Walch ,  Norbert Rieber ,  Wolfgang Harder

    发明人： Georg Heinrich Grosch ,  Ulrich Müller ,  Andreas Walch ,  Norbert Rieber ,  Wolfgang Harder

    IPC分类号： B01J2990

    CPC分类号： B01J29/90 ,  B01J38/20 ,  C07B41/00 ,  C07D301/12 ,  Y02P20/584

    摘要： A process for regenerating a zeolite catalyst comprises the following stages: (I) Heating a partially or completely deactivated catalyst to 250-600° C. in an atmosphere which contains less than 2% by volume of oxygen, (II) treating the catalyst at from 250 to 800° C., preferably from 350 to 600° C., with a gas stream which contains from 0.1 to 4% by volume of an oxygen-donating substance or of oxygen or of a mixture of two or more thereof, and (III) treating the catalyst at from 250 to 800° C., preferably from 350 to 600° C., with a gas stream which contains from more than 4 to 100% by volume of an oxygen-donating substance or of oxygen or of a mixture of two or more thereof.

    摘要翻译： 再生沸石催化剂的方法包括以下步骤：（I）在含有少于2体积％氧气的气氛中将部分或完全失活的催化剂加热至250-600℃，（II）将催化剂处理 250至800℃，优选350至600℃，含有0.1至4体积％的供氧物质或氧气或其两种或多种的混合物的气流和 （III）在250至800℃，优选350至600℃下处理催化剂，其中气流含有超过4至100体积％的供氧物质或氧气或 其两种或更多种的混合物。