利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

41 条记录 (耗时 0.036 秒)

    Process for fractionating water-containing crude amine mixtures from amine synthesis
    2.
    发明授权
    Process for fractionating water-containing crude amine mixtures from amine synthesis 失效
    从胺合成分馏含水粗胺混合物的方法

    公开(公告)号：US06821396B2

    公开(公告)日：2004-11-23

    申请号：US10272012

    申请日：2002-10-17

    申请人： Andreas Wolfert ,  Heinz Rütter ,  Stefan Rittinger ,  Mark Wehinger ,  Aurelie Alemany ,  Willi Schmidt

    发明人： Andreas Wolfert ,  Heinz Rütter ,  Stefan Rittinger ,  Mark Wehinger ,  Aurelie Alemany ,  Willi Schmidt

    IPC分类号： B01D314

    CPC分类号： C07D295/027 ,  C07D207/04 ,  C07D211/04 ,  C07D295/03 ,  Y10S203/20

    摘要： A mixture containing mixture one or more amines, water, low-boilers and high-boilers, is fractioned in a process wherein (i) low-boilers are separated from the mixture by distillation, (ii) high-boilers are separated from the mixture by distillation, (iii) the mixture is extracted with a sodium hydroxide solution to form an aqueous, sodium-hydroxide-containing first phase and an aqueous-organic, amine-containing second phase, and (iv) the aqueous-organic second phase is distilled to form an amine/water azeotrope and an essentially anhydrous amine, and the amine/water azeotrope is recycled to the extraction step (iii).

    摘要翻译： 将混合物中含有一种或多种胺，水，低锅炉和高锅炉的混合物在一个方法中进行分馏，其中（i）通过蒸馏将低沸点物与混合物分离，（ii）从混合物中分离出高锅炉 通过蒸馏，（iii）混合物用氢氧化钠溶液萃取以形成含氢氧化钠的第一相和含水有机胺的第二相，和（iv）含水有机相第二相为 蒸馏以形成胺/水共沸物和基本上无水的胺，并将胺/水共沸物再循环至提取步骤（iii）。

    Process for fractionating water-containing crude amine mixtures from amine synthesis
    3.
    发明授权
    Process for fractionating water-containing crude amine mixtures from amine synthesis 有权
    从胺合成分馏含水粗胺混合物的方法

    公开(公告)号：US06986833B2

    公开(公告)日：2006-01-17

    申请号：US10272011

    申请日：2002-10-17

    申请人： Andreas Wölfert ,  Heinz Rütter ,  Stefan Rittinger ,  Mark Wehinger ,  Aurelie Alemany ,  Willi Schmidt

    发明人： Andreas Wölfert ,  Heinz Rütter ,  Stefan Rittinger ,  Mark Wehinger ,  Aurelie Alemany ,  Willi Schmidt

    IPC分类号： B01D3/14 ,  C07C209/84

    CPC分类号： C07D295/03 ,  C07C209/86 ,  C07D207/04 ,  C07D211/04 ,  Y10S203/20 ,  C07C211/04 ,  C07C211/08

    摘要： An amine-containing mixture containing one or more amines, water, low-boilers and optionally high-boilers is fractionated by a process having the steps (iii) and (iv) and optionally the steps (i), (ii) and (v): (i) a (first) low-boiler fraction is separated off from the amine-containing mixture by distillation, (ii) a (first) high-boiler fraction is separated off from the amine-containing mixture by distillation, (iii) the amine-containing mixture is extracted with sodium hydroxide solution, producing an aqueous, sodium-hydroxide-containing first phase and an aqueous-organic, amine-, (further) low-boiler- and possibly (further) high-boiler-containing second phase, (iv) the aqueous-organic second phase, is distilled, producing essentially anhydrous amine as bottom-phase take off or sidestream takeoff in the stripping part of the distillation column, an amine/water azeotrop as sidestream takeoff in the enrichment part of the column and a (further) low-boiler fraction as overhead takeoff, and recycling the amine/water azeotrop to the extraction step (iii), (v) the essentially anhydrous amine is further purified of fractionated.

    摘要翻译： 含有一种或多种胺，水，低锅炉和任选的高锅炉的含胺混合物通过具有步骤（iii）和（iv）和任选的步骤（i），（ii）和（v ）：（i）（第一）低沸点馏分通过蒸馏从含胺混合物中分离出来，（ii）通过蒸馏将（第一）高沸点级分馏分与含胺混合物分离，（iii） ）将含胺混合物用氢氧化钠溶液萃取，产生含氢氧化钠的含水氢氧化物的第一相和含水有机胺，（进一步）低沸点和可能（进一步）含高沸点的 第二相，（iv）蒸馏有机相第二相，在蒸馏塔的汽提部分中产生基本上无水的胺作为底部脱气或侧流起飞，在富集部分中作为侧流起飞的胺/水共沸物 的柱和另外的低沸点馏分作为架空起飞， 并将胺/水共沸物再循环至提取步骤（iii），（v）将基本上无水的胺进一步纯化分离。

    Method for the Continuous Production of an Amine
    9.
    发明申请
    Method for the Continuous Production of an Amine 失效
    连续生产胺的方法

    公开(公告)号：US20070232833A1

    公开(公告)日：2007-10-04

    申请号：US11596292

    申请日：2005-05-04

    申请人： Frank Haese ,  Arnd Bottcher ,  Bernd Stein ,  Wolfgang Reif ,  Johann-Peter Melder ,  Karl-Heinz Ross ,  Heinz Rutter ,  Shelue Liang ,  Stefan Rittinger

    发明人： Frank Haese ,  Arnd Bottcher ,  Bernd Stein ,  Wolfgang Reif ,  Johann-Peter Melder ,  Karl-Heinz Ross ,  Heinz Rutter ,  Shelue Liang ,  Stefan Rittinger

    IPC分类号： C07C209/60

    CPC分类号： C07C209/26 ,  C07C209/16 ,  C07C213/02 ,  C07D295/027 ,  C07D295/03 ,  C07D295/088 ,  C08G59/50 ,  Y02P20/582 ,  C07C211/06 ,  C07C211/08 ,  C07C211/35 ,  C07C217/08

    摘要： Process for the continuous preparation of an amine by reaction of a primary or secondary alcohol, aldehyde and/or ketone with hydrogen and a nitrogen compound selected from the group consisting of ammonia, primary and secondary amines at a temperature in the range from 60 to 300° C in the presence of a copper-containing catalyst, wherein the catalytically active composition of the catalyst prior to reduction with hydrogen comprises from 20 to 85% by weight of aluminum oxide (Al2O3), zirconium dioxide (ZrO2), titanium dioxide (TiO2) and/or silicon dioxide (SiO2), from 1 to 70% by weight of oxygen-containing compounds of copper, calculated as CuO, from 0 to 50% by weight of oxygen-containing compounds of magnesium, calculated as MgO, oxygen-containing compounds of chromium, calculated as Cr2O3, oxygen-containing compounds of zinc, calculated as ZnO, oxygen-containing compounds of barium, calculated as BaO, and/or oxygen-containing compounds of calcium, calculated as CaO, and less than 30% by weight of oxygen-containing compounds of nickel, calculated as NiO, based on the oxygen-containing compounds of copper, calculated as CuO, and the reaction is carried out isothermally in the gas phase in a tube reactor.

    摘要翻译： 通过伯醇或仲醇，醛和/或酮与氢和选自氨，伯胺和仲胺的氮化合物在60至300℃的温度下反应来连续制备胺的方法 在含铜催化剂存在下，其中催化剂在用氢还原之前的催化活性组合物包含20至85重量％的氧化铝（Al 2 O 3） 3），二氧化锆（ZrO 2），二氧化钛（TiO 2）和/或二氧化硅（SiO 2） ，1至70重量％的以CuO计的含氧化合物的铜，0至50重量％的以氧化镁计的含氧化合物，以氧化铬计算的含铬化合物， 以ZnO计算的含氧化合物锌，以BaO计的钡的含氧化合物和/ 或以CaO计的含氧化合物的钙，小于30重量％的按NiO计的含氧化合物的镍，以CuO计算的含氧化合物计算，并进行反应 在管式反应器中在气相中等温。

    Preparation of 4-methylpyrimidines
    10.
    发明授权
    Preparation of 4-methylpyrimidines 失效
    4-甲基嘧啶的制备

    公开(公告)号：US5414086A

    公开(公告)日：1995-05-09

    申请号：US199452

    申请日：1994-02-22

    申请人： Stefan Rittinger ,  Norbert Rieber

    发明人： Stefan Rittinger ,  Norbert Rieber

    IPC分类号： C07D239/26 ,  C07D239/42 ,  C07D295/104 ,  C07D239/34 ,  C07D239/38

    CPC分类号： C07D239/26 ,  C07D239/42 ,  C07D295/104 ,  Y02P20/582

    摘要： A process for the preparation of a 4-methylpyrimidine of the general formula I ##STR1## in which R.sup.1 denotes C.sub.1 -C.sub.20 alkyl, C.sub.3 -C.sub.8 cycloalkyl, aryl, C.sub.7 -C.sub.12 phenalkyl, C.sub.7 -C.sub.12 alkylphenyl, NH.sub.2, NHCN, OH, and SH,in which a 1-aminovinyl methyl ketone of the general formula II ##STR2## in which R.sup.2 and R.sup.3 denote C.sub.1 -C.sub.20 alkyl, C.sub.3 -C.sub.8 cycloalkyl, aryl, C.sub.7 -C.sub.12 phenylalkyl, C.sub.7 -C.sub.12 alkylphenyl, C.sub.1 -C.sub.20 hydroxyalkyl or together denote a C.sub.2 -C.sub.7 alkylene chain optionally mono- to tetra-substituted by C.sub.1 -C.sub.4 alkyl and optionally interrupted by oxygen, nitrogen, or sulfur, is caused to react with a carboxamide or amidine or a salt thereof of the general formula III ##STR3## in which R.sup.1 has the aforementioned meanings and x stands for oxygen or NH, at temperatures ranging from 20.degree. to 200.degree. C. and pressures ranging from 0.01 to 50 bar.

    摘要翻译： 制备通式I（I）的4-甲基嘧啶的方法，其中R1表示C1-C20烷基，C3-C8环烷基，芳基，C7-C12苯烷基，C7-C12烷基苯基，NH2，NHCN ，OH和SH，其中通式II的1-氨基乙烯基甲基酮（II）其中R2和R3表示C1-C20烷基，C3-C8环烷基，芳基，C7-C12苯基烷基，C7-C12 烷基苯基，C 1 -C 20羟基烷基或一起表示任选被C 1 -C 4烷基单取代和四取代并任选被氧，氮或硫中断的C 2 -C 7亚烷基链与羧酰胺或脒或盐反应 其中R 1具有上述含义，x代表氧或NH，通常在20℃至200℃的温度和0.01至50巴的压力下进行。