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35 条记录 (耗时 0.038 秒)

    Method for concurrently producing 1,1,1,2-tetrafluoroethane and pentafluoroethane
    2.
    发明授权
    Method for concurrently producing 1,1,1,2-tetrafluoroethane and pentafluoroethane 失效
    同时生产1,1,1,2-四氟乙烷和五氟乙烷的方法

    公开(公告)号：US5723700A

    公开(公告)日：1998-03-03

    申请号：US708466

    申请日：1996-09-05

    申请人： Byung Gwon Lee ,  Hoon Sik Kim ,  Honggon Kim ,  Sang Deuk Lee ,  Moon Jo Chung

    发明人： Byung Gwon Lee ,  Hoon Sik Kim ,  Honggon Kim ,  Sang Deuk Lee ,  Moon Jo Chung

    IPC分类号： C07C17/10 ,  C07C17/20 ,  C07C17/21 ,  C07C19/08 ,  C07C17/08

    CPC分类号： C07C19/08 ,  C07C17/10 ,  C07C17/206 ,  C07C17/21

    摘要： There is a method for concurrently producing 1,1,1,2-tetrafluoroethane and pentafluoroethane, which comprises (A) reacting 1,1,1-trifluoro-2-chloroethane, hydrogen fluoride and chlorine in a first reactor in the presence of flurorination catalyst at a temperature in the range of from 300.degree. C. to 450.degree. C.; (B) transfering the products of step (A) together with trichloroethylene to a second reactor and reacting them at a temperature in the range of from 200.degree. C. to 400.degree. C.; (C) separating 1,1,1,2-tetrafluoroethane and pentafluoroethane from the resultant products; and (D) feeding the remaining products from step (C) back to the first reactor, wherein the molar ratio of chlorine/1,1,1-trifluoro-2-chloroethanethe in step (A) is in the range of from 0.001 to 0.05

    摘要翻译： 有一种同时生产1,1,1,2-四氟乙烷和五氟乙烷的方法，该方法包括（A）在第一反应器中在氟化物存在下使1,1,1-三氟-2-氯乙烷，氟化氢和氯反应 催化剂在300℃至450℃的温度范围内。 （B）将步骤（A）的产物与三氯乙烯一起转移到第二反应器中，并在200℃至400℃的温度下反应。 （C）从所得产物中分离1,1,1,2-四氟乙烷和五氟乙烷; 和（D）将来自步骤（C）的剩余产物反馈回第一反应器，其中步骤（A）中氯/ 1,1,1-三氟-2-氯乙烷的摩尔比在0.001至 0。

    Silver salt-containing facilitated transport membrane for olefin separation having improved stability and method for producing the same
    5.
    发明授权
    Silver salt-containing facilitated transport membrane for olefin separation having improved stability and method for producing the same 失效
    含有盐的有利的烯烃分离输送膜具有改进的稳定性及其制备方法

    公开(公告)号：US06706771B2

    公开(公告)日：2004-03-16

    申请号：US10194303

    申请日：2002-07-15

    申请人： Hoon Sik Kim ,  Yong Soo Kang ,  Byung Gwon Lee ,  Hyun Joo Lee ,  Jae Hee Ryu

    发明人： Hoon Sik Kim ,  Yong Soo Kang ,  Byung Gwon Lee ,  Hyun Joo Lee ,  Jae Hee Ryu

    IPC分类号： C08J520

    CPC分类号： C10G31/11 ,  B01D53/228 ,  B01D69/142 ,  C07C7/144 ,  C07C11/02

    摘要： The present invention relates to polymer membranes for separating olefins from paraffins which have the similar molecular size and close boiling point. More particularly, it relates to a silver salt-containing facilitated transport membrane for olefin separation, and also a method for producing the same. An object of the present invention is to provide a silver salt-containing facilitated transport membrane for olefin separation having improved stability, and also a method for preparing the same, which exhibits no deterioration in membrane performance even when operated for an extended period of time. The facilitated transport membrane for olefin/paraffin separation of the present invention comprises a polymer, a silver salt, and a phthalate compound represented by the following formula (1) wherein R denotes an alkyl group of 2 to 8 carbon atoms or a phenyl group.

    摘要翻译： 本发明涉及用于从具有相似分子大小和接近沸点的石蜡中分离烯烃的聚合物膜。 更具体地说，本发明涉及一种用于烯烃分离的含银盐的促进输送膜，以及它们的制造方法。 本发明的目的是提供一种具有改进的稳定性的含银盐的促进烯烃分离的输送膜以及其制备方法，即使长时间操作也不会降低膜性能。 本发明的促进烯烃/石蜡分离的输送膜包括由下式（1）表示的聚合物，银盐和邻苯二甲酸酯化合物，其中R表示2至8个碳原子的烷基或苯基。

    Method for producing silver salt-containing facilitated transport membrane for olefin separation having improved stability
    6.
    发明授权
    Method for producing silver salt-containing facilitated transport membrane for olefin separation having improved stability 失效
    一种具有改善的稳定性的含银盐促进烯烃分离输送膜的方法

    公开(公告)号：US06878409B2

    公开(公告)日：2005-04-12

    申请号：US10773257

    申请日：2004-02-09

    申请人： Hoon Sik Kim ,  Yong Soo Kang ,  Byung Gwon Lee ,  Hyun Joo Lee ,  Jae Hee Ryu

    发明人： Hoon Sik Kim ,  Yong Soo Kang ,  Byung Gwon Lee ,  Hyun Joo Lee ,  Jae Hee Ryu

    IPC分类号： B01D71/28 ,  B01D53/22 ,  B01D69/14 ,  C07C7/144 ,  C10G31/11 ,  B05D3/02

    CPC分类号： C10G31/11 ,  B01D53/228 ,  B01D69/142 ,  C07C7/144 ,  C07C11/02

    摘要： The present invention relates to polymer membranes for separating olefins from paraffins which have the similar molecular size and close boiling point. More particularly, it relates to a silver salt-containing facilitated transport membrane for olefin separation, and also a method for producing the same. An object of the present invention is to provide a silver salt-containing facilitated transport membrane for olefin separation having improved stability, and also a method for preparing the same, which exhibits no deterioration in membrane performance even when operated for an extended period of time. The facilitated transport membrane for olefin/paraffin separation of the present invention comprises a polymer, a silver salt, and a phthalate compound represented by the following formula (1) wherein R denotes an alkyl group of 2 to 8 carbon atoms or a phenyl group.

    摘要翻译： 本发明涉及用于从具有相似分子大小和接近沸点的石蜡中分离烯烃的聚合物膜。 更具体地说，本发明涉及一种用于烯烃分离的含银盐的促进输送膜，以及它们的制造方法。 本发明的目的是提供一种具有改进的稳定性的含银盐的促进烯烃分离的输送膜以及其制备方法，即使长时间操作也不会降低膜性能。 本发明的促进烯烃/石蜡分离的输送膜包括由下式（1）表示的聚合物，银盐和邻苯二甲酸酯化合物，其中R表示2至8个碳原子的烷基或苯基。

    Catalyst for fluorination of 1,1,1,-trifluoro-2,2-dichloroethane and method for preparing the same
    7.
    发明授权
    Catalyst for fluorination of 1,1,1,-trifluoro-2,2-dichloroethane and method for preparing the same 失效
    用于氟化1,1,1-三氟-2,2-二氯乙烷的催化剂及其制备方法

    公开(公告)号：US5571770A

    公开(公告)日：1996-11-05

    申请号：US490726

    申请日：1995-06-15

    申请人： Hoon Sik Kim ,  Moon Jo Chung ,  Byung Gwon Lee ,  Hyun Joo Lee

    发明人： Hoon Sik Kim ,  Moon Jo Chung ,  Byung Gwon Lee ,  Hyun Joo Lee

    IPC分类号： B01J27/138 ,  B01J23/26 ,  B01J23/86 ,  C07B61/00 ,  C07C17/20 ,  C07C19/08 ,  C07C19/12

    CPC分类号： B01J23/26 ,  B01J23/866 ,  C07C17/206

    摘要： There are a catalyst for fluorination production of 1,1,1-trifluoro-2,2-dichloroethane comprises chromium, one compound selected from the group consisting of Mg and Ca and at least one metal component selected from the group consisting of Zn, Ce and Ni, wherein the molar ratio of Cr to Mg or Ca ranges from 1:1 to 1:32 and the molar ratio Cr to the metal component is not more than 1:0.5, and method for preparing the same comprising the steps of; producing an admixture of a composition comprising chromium, one compound selected from the group consisting of magnesium fluoride and calcium fluoride and at least one metal compound selected from a group consisting of cerium fluoride, zinc fluoride and nickel fluoride with water and refluxing the admixture in methanol or ethanol.

    摘要翻译： 具有1,1,1-三氟-2,2-二氯乙烷的氟化生产催化剂包括铬，一种选自Mg和Ca的化合物和至少一种选自Zn，Ce 和Ni，其中Cr与Mg或Ca的摩尔比范围为1：1至1:32，并且金属组分的摩尔比Cr不大于1:0.5，及其制备方法包括以下步骤： 制备包含铬的组合物的混合物，一种选自氟化镁和氟化钙的化合物和至少一种选自氟化铈，氟化锌和氟化镍的金属化合物与水并将该混合物在甲醇中回流 或乙醇。

    Process for preparing n,n'-disubstituted urea using selenium-based catalyst
    8.
    发明授权
    Process for preparing n,n'-disubstituted urea using selenium-based catalyst 有权
    使用硒基催化剂制备n，n'-二取代脲的方法

    公开(公告)号：US6127575A

    公开(公告)日：2000-10-03

    申请号：US395388

    申请日：1999-09-13

    申请人： Hoon Sik Kim ,  Yong Jin Kim ,  Hyun Joo Lee ,  Moon Jo Chung ,  Sang Deuk Lee

    发明人： Hoon Sik Kim ,  Yong Jin Kim ,  Hyun Joo Lee ,  Moon Jo Chung ,  Sang Deuk Lee

    IPC分类号： C07C273/04 ,  C07C273/18 ,  C07C275/06 ,  C07C275/18 ,  C07C275/24 ,  C07C273/00

    CPC分类号： C07C273/1809 ,  C07C2101/14

    摘要： A process is disclosed for preparing N,N'-disubstituted urea by reacting an amine and CO/O.sub.2 mixture gas in the presence of a catalyst system comprising at least one selenium compound selected from SeO.sub.2, (CH.sub.3 O)Se(O)(OH) and (CH.sub.3 CH.sub.2 O)Se(O)(OH), and M.sub.2 CO.sub.3 (M=alkali metal) as a co-catalyst. The process enables less active aromatic amine with a low reactivity as well as an aliphatic amine to be easily transformed into disubstituted urea avoiding the use of expensive precious metal catalysts.

    摘要翻译： 公开了一种通过在包含至少一种选自SeO 2，（CH 3 O）Se（O）（OH））的硒化合物的催化剂体系存在下使胺和CO / O 2混合气体反应来制备N，N'-二取代的脲的方法， 和（CH 3 CH 2 O）Se（O）（OH）和作为助催化剂的M2CO3（M =碱金属）。 该方法使得具有低反应性的较少活性的芳族胺以及脂族胺易于转化为二取代的脲，避免使用昂贵的贵金属催化剂。

    Method for preparation of carbamates
    9.
    发明授权
    Method for preparation of carbamates 失效
    氨基甲酸酯的制备方法

    公开(公告)号：US5962721A

    公开(公告)日：1999-10-05

    申请号：US69285

    申请日：1998-04-29

    申请人： Hoon Sik Kim ,  Sang Deuk Lee ,  Hyun-joo Lee ,  In-Seok Seo ,  Yong Jin Kim

    发明人： Hoon Sik Kim ,  Sang Deuk Lee ,  Hyun-joo Lee ,  In-Seok Seo ,  Yong Jin Kim

    IPC分类号： C07C269/04 ,  C07C271/24 ,  C07C271/28 ,  C07C271/36 ,  C07C261/00

    CPC分类号： C07C269/04

    摘要： A method of preparing carbamates by reacting amine with alcohol and mixed gas of CO/O.sub.2 in the presence of one or more catalyst selected from the group consisting of monovalent copper halide having the structural formula of Cu�NCMe.sub.4 !X, K�CuX.sub.2 !, �CuX(S)! (wherein X=Cl, Br, or I; S=solvent) or monovalent copper compound having carbonyl group having the structural formula of �Cu(CO)X.sub.a L.sub.b !.sub.m Y.sub.n (wherein, X=CF.sub.3 CO.sub.2, Cl, HB(pz).sub.3 (wherein, pz=pyrazoyl,C.sub.3 H.sub.3 N.sub.2), LBF.sub.2, {LBF.sub.2 =difluoro-3,3'-(trimethylenedinitrilo)bis(2-butanone oximato)borate}; L=en, diene; Y=BPh.sub.4, AsF.sub.6 ; a,b=0,1; m=1-4; n=0,1).

    摘要翻译： 在一种或多种催化剂存在下，通过使胺与醇和CO 2 O 2的混合气体反应制备氨基甲酸酯的方法，所述催化剂选自具有结构式为Cu [NCMe4] X，K [CuX2]， [CuX（S）]（其中X = Cl，Br或I; S =溶剂）或具有结构式为[Cu（CO）XaLb] mYn的羰基的一价铜化合物（其中，X = CF 3 CO 2， HB（pz）3（其中，pz =吡唑基，C3H3N2），LBF2，{LBF2 =二氟-3,3' - （三亚甲基二亚硝基）双（2-丁酮肟基）硼酸酯}; L =烯，二烯; Y = BPh4， AsF6; a，b = 0,1; m = 1-4; n = 0,1）。

    Synthesis of alkylene carbonates using a catalyst system comprising metal halide and pyridine or pyridine derivative
    10.
    发明授权
    Synthesis of alkylene carbonates using a catalyst system comprising metal halide and pyridine or pyridine derivative 失效
    使用包含金属卤化物和吡啶或吡啶衍生物的催化剂体系合成碳酸亚烷基酯

    公开(公告)号：US06407264B2

    公开(公告)日：2002-06-18

    申请号：US09780235

    申请日：2001-02-09

    申请人： Hoon Sik Kim ,  Jai Jun Kim ,  Byung Gwon Lee ,  Hong Gon Kim

    发明人： Hoon Sik Kim ,  Jai Jun Kim ,  Byung Gwon Lee ,  Hong Gon Kim

    IPC分类号： C07D31710

    CPC分类号： C07D317/36 ,  C07D317/38

    摘要： The present invention relates to a method to prepare alkylene carbonate of the formula (1) wherein, R1 and R2 are each independently H; C1-C4 alkyl or phenyl group; which method characterized by reacting alkylene oxide with carbon dioxide in the presence of a catalyst system comprising a) metal halide [MXm] and b) pyridine or pyridine derivative [Py], wherein Py is selected from a group of pyridines; M is a metal atom selected from the group consisting of Zn, Fe, Mn, Pb and In; X is a halogen selected from the group consisting of Cl, Br and I; and m is 2 or 3.

    摘要翻译： 本发明涉及一种制备式（1）的碳酸亚烷基酯的方法，其中R 1和R 2各自独立地为H; C1-C4烷基或苯基;所述方法的特征在于在催化剂体系存在下使环氧烷与二氧化碳反应，所述催化剂体系包含a）金属卤化物[MXm]和b）吡啶或吡啶衍生物[Py]，其中Py选自 一组吡啶; M是选自Zn，Fe，Mn，Pb和In的金属原子; X是选自Cl，Br和I的卤素; m为2或3。