利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

50 条记录 (耗时 0.027 秒)

    Continuous method for the production of polyamides
    34.
    发明授权
    Continuous method for the production of polyamides 有权
    连续生产聚酰胺的方法

    公开(公告)号：US07776996B2

    公开(公告)日：2010-08-17

    申请号：US10588810

    申请日：2005-02-08

    申请人： Jürgen Deininger ,  Jürgen Demeter ,  Thilo Hahn ,  Gad Kory ,  Oliver Sötje ,  Peter Zehner

    发明人： Jürgen Deininger ,  Jürgen Demeter ,  Thilo Hahn ,  Gad Kory ,  Oliver Sötje ,  Peter Zehner

    IPC分类号： C08G69/08

    CPC分类号： C08G69/28 ,  C08G69/04 ,  Y02P20/127

    摘要： A continuous process for producing polyamides, their oligomers or mixtures thereof, if appropriate with further reaction products, comprises reaction of aminonitriles or dinitriles and diamines or mixtures thereof, if appropriate together with further polyamide-forming monomers and/or oligomers, with an aqueous medium composed of aqueous monomer and oligomer extracts obtained from polyamide production by extraction of the polymer with water in a reactor which has a vertical longitudinal axis and through which there is a flow substantially in the longitudinal direction wherein water and/or the aqueous medium are introduced into the reactor at two or more different locations along the vertical longitudinal axis, wherein the aqueous medium is introduced at one or more locations.

    摘要翻译： 生产聚酰胺，其低聚物或其混合物的连续方法（如果适用的话）与其它反应产物一起包括氨基腈或二腈和二胺或其混合物如果合适地与另外的形成聚酰胺的单体和/或低聚物一起与水性介质 由具有垂直纵轴的反应器中用水萃取聚合物的聚合物制备得到的含水单体和低聚物提取物组成，并且通过该单体和基本上沿纵向的流动，其中水和/或水性介质被引入 所述反应器沿着所述垂直纵向轴线的两个或更多个不同位置，其中所述水性介质在一个或多个位置被引入。

    METHOD FOR PRODUCING ETHYLENEDIAMINE
    35.
    发明申请
    METHOD FOR PRODUCING ETHYLENEDIAMINE 有权
    生产乙烯二胺的方法

    公开(公告)号：US20100094057A1

    公开(公告)日：2010-04-15

    申请号：US12529107

    申请日：2008-02-28

    申请人： Alfred Oftring ,  Kirsten Dahmen ,  Randolf Hugo ,  Thilo Hahn ,  Katrin Baumann ,  Johann-Peter Melder

    发明人： Alfred Oftring ,  Kirsten Dahmen ,  Randolf Hugo ,  Thilo Hahn ,  Katrin Baumann ,  Johann-Peter Melder

    IPC分类号： C07C209/48

    CPC分类号： C07C209/48 ,  C07C211/10

    摘要： The invention relates to a process for preparing ethylenediamine by hydrogenation of aminoacetonitrile over a catalyst, wherein the hydrogenation is carried out in a solution comprising aminoacetonitrile, water in a proportion of from 0 to 60% by weight and a solvent and the aminoacetonitrile comprised in the solution is fed into the reaction vessel at a rate which is not greater than the rate at which the aminoacetonitrile reacts with hydrogen in the hydrogenation.

    摘要翻译： 本发明涉及一种通过氨基乙腈在催化剂上氢化制备乙二胺的方法，其中氢化是在包含氨基乙腈的溶液中，以0至60重量％的比例的水和溶剂和包含在其中的氨基乙腈 溶液以不大于氨基乙腈在氢化中与氢反应的速率进料到反应容器中。

    Method of producing benzophenoneimines
    36.
    发明授权
    Method of producing benzophenoneimines 有权
    生产二苯甲酮亚胺的方法

    公开(公告)号：US07683214B2

    公开(公告)日：2010-03-23

    申请号：US12282277

    申请日：2007-03-01

    申请人： Thilo Hahn ,  Frank Haese ,  Ulrich Köhler ,  Ekkehard Schwab ,  Johann-Peter Melder ,  Jan Eberhardt

    发明人： Thilo Hahn ,  Frank Haese ,  Ulrich Köhler ,  Ekkehard Schwab ,  Johann-Peter Melder ,  Jan Eberhardt

    IPC分类号： C07C249/02

    CPC分类号： C07C249/02 ,  C07C251/16

    摘要： A process for the preparation of benzophenonimine (BPI) of the general formula I where R1 and R2 are C1- to C4-alkoxy, C1- to C2-alkylamine and C2- to C4-dialkylamine and m and n are integers from 0 to 5 and R1 and R2, independently of one another, may be identical or different, by reacting benzophenone (BP) of the general formula II where R1, R2, m and n have the abovementioned meanings, in ammonia and in the presence of titanium dioxide, the titanium dioxide being present substantially in the anatase modification.

    摘要翻译： 制备通式I的二苯甲酮亚胺（BPI）的方法，其中R 1和R 2是C 1 -C 4 - 烷氧基，C 1至C 2 - 烷基胺和C 2 -C 4 - 二烷基胺，m和n是0至5的整数 并且R 1和R 2可以相同或不同，通过使其中R1，R2，m和n具有上述含义的通式II的二苯甲酮（BP）在氨和二氧化钛存在下反应， 二氧化钛基本上存在锐钛矿改性。

    Process for Hydrogenating Nitriles to Primary Amines or Aminonitriles and Catalysts Suitable Therefor
    39.
    发明申请
    Process for Hydrogenating Nitriles to Primary Amines or Aminonitriles and Catalysts Suitable Therefor 审中-公开
    将腈加氢至伯胺或氨基腈及其合适的催化剂的方法

    公开(公告)号：US20080306305A1

    公开(公告)日：2008-12-11

    申请号：US12097470

    申请日：2006-12-05

    申请人： Thilo Hahn ,  Martin Ernst ,  Johann-Peter Melder

    发明人： Thilo Hahn ,  Martin Ernst ,  Johann-Peter Melder

    IPC分类号： C07C209/00 ,  B01J25/00 ,  B01J25/02

    CPC分类号： C07C209/48 ,  B01J23/78 ,  B01J25/02 ,  B01J27/232 ,  C07C211/12

    摘要： A process for hydrogenating oligonitriles which have at least two nitrile groups in the presence of a catalyst which, before commencement of the hydrogenation, is pretreated by contacting with a compound A which is selected from alkali metal carbonates, alkaline earth metal carbonates, ammonium carbonate, alkali metal hydrogencarbonates, alkaline earth metal hydrogencarbonates, ammonium hydrogencarbonate, alkaline earth metal oxocarbonates, alkali metal carboxylates, alkaline earth metal carboxylates, ammonium carboxylates, alkali metal dihydrogen phosphates, alkaline earth metal dihydrogen phosphates, alkali metal hydrogen phosphates, alkaline earth metal hydrogen phosphates, alkali metal phosphates, alkaline earth metal phosphates and ammonium phosphate, alkali metal acetates, alkaline earth metal acetates, ammonium acetate, alkali metal formates, alkaline earth metal formates, ammonium formate, alkali metal oxalates, alkaline earth metal oxalates and ammonium oxalate.

    摘要翻译： 一种在催化剂存在下具有至少两个腈基的低聚物氢化方法，在氢化开始之前，通过与选自碱金属碳酸盐，碱土金属碳酸盐，碳酸铵， 碱金属碳酸氢盐，碱土金属碳酸氢盐，碳酸氢铵，碱土金属碳酸盐，碱金属羧酸盐，碱土金属羧酸盐，羧酸铵，碱金属磷酸二氢盐，碱土金属磷酸二氢盐，碱金属磷酸氢盐，碱土金属氢氧化磷酸盐 ，碱金属磷酸盐，碱土金属磷酸盐和磷酸铵，碱金属乙酸盐，碱土金属乙酸盐，乙酸铵，碱金属甲酸盐，碱土金属甲酸盐，甲酸铵，碱金属草酸盐，碱土金属草酸盐和草酸铵。

    Method for producing polyamides
    40.
    发明申请
    Method for producing polyamides 有权
    生产聚酰胺的方法

    公开(公告)号：US20050154182A1

    公开(公告)日：2005-07-14

    申请号：US10511162

    申请日：2003-04-08

    申请人： Helmut Winterling ,  Christoph Benisch ,  Thilo Hahn

    发明人： Helmut Winterling ,  Christoph Benisch ,  Thilo Hahn

    IPC分类号： C08G69/00 ,  C08G69/04 ,  C08G69/08 ,  C08G69/16 ,  C08G69/20

    CPC分类号： C08G69/20 ,  C08G69/04 ,  C08G69/08 ,  C08G69/16

    摘要： A process for preparing a polyamide by reacting a mixture which comprises a monomer which has a nitrile group and has at least one other functional group capable of forming a carboxamide group, and comprises water, in the presence of titanium dioxide as catalyst, which comprises using titanium dioxide whose BET surface area, determined to the German standard DIN 66 131 volumetrically by the multipoint method, is in the range from 5 to 35 m2/g.

    摘要翻译： 一种制备聚酰胺的方法，该方法通过使二氧化钛作为催化剂使包含具有腈基并且具有至少一个能够形成羧酰胺基的其它官能团的单体的混合物并包含水，包括使用 通过多点法测定的德国标准DIN 66131的BET表面积的二氧化钛的浓度范围为5至35m 2 / g。