知搜-全球专利检索

  1. 登录
  2. 注册

搜索结果

11 条记录 (耗时 0.018 秒)

    Method for Chlorinating Alcohols
    1.
    发明申请
    Method for Chlorinating Alcohols 审中-公开
    氯化醇的方法

    公开(公告)号：US20080228016A1

    公开(公告)日：2008-09-18

    申请号：US12066321

    申请日：2006-08-31

    申请人： Thorsten Rohde ,  Oliver Huttenloch ,  Friederike Osswald ,  Kathrin Wissel

    发明人： Thorsten Rohde ,  Oliver Huttenloch ,  Friederike Osswald ,  Kathrin Wissel

    IPC分类号： C07C17/16

    CPC分类号： C07C17/16 ,  C07C19/01

    摘要： A process for preparing organic chlorides in which the chlorine atom is bonded to a CH2 group by reacting the corresponding alcohols with thionyl chloride in the presence of a triaylphosphine oxide at a temperature of from 20 to 200° C. and a pressure of from 0.01 to 10 MPa abs, which comprises using the triarylphosphine oxide in a molar ratio to the amount of OH groups to be chlorinated of from 0.0001 to 0.5.

    摘要翻译： 一种制备有机氯化物的方法，其中氯原子通过在三乙烯基氧化膦存在下，在20〜200℃的温度下使相应的醇与亚硫酰氯反应而与CH 2 - 和0.01至10MPa abs的压力，其包括使用与被氯化的OH基团的摩尔比为0.0001-0.5的三芳基氧化膦。

    Method for the continuous production of tetra-substituted ureas
    3.
    发明授权
    Method for the continuous production of tetra-substituted ureas 失效
    连续生产四取代脲的方法

    公开(公告)号：US07053244B2

    公开(公告)日：2006-05-30

    申请号：US10520402

    申请日：2003-07-03

    申请人： Jochem Henkelmann ,  Theodor Weber ,  Thorsten Rohde ,  Ralph Busch

    发明人： Jochem Henkelmann ,  Theodor Weber ,  Thorsten Rohde ,  Ralph Busch

    IPC分类号： C07C273/18

    CPC分类号： C07C273/1809 ,  C07C275/06

    摘要： The invention relates to a process for the preparation of tetrasubstituted ureas by reaction of the corresponding amines with phosgene in the presence of an aqueous inorganic base at a temperature in the range from 0 to 150° C., which comprises: feeding the corresponding amine, the phosgene and the aqueous inorganic base on average continuously to the reaction apparatus, forming a two-phase system in the reaction apparatus through the choice of the tetrasubstituted ureas to be prepared, through the mixing ratios of the substances and substance mixtures to be fed in, through the temperature during the reaction and, where appropriate, through the feed of an organic solvent which is not completely miscible with water, and discharging the reaction mixture on average continuously from the reaction apparatus.

    摘要翻译： 本发明涉及通过在无机碱水溶液存在下，在0至150℃的温度范围内使相应的胺与光气反应来制备四取代的脲的方法，该方法包括：将相应的胺， 光气和水无机碱平均连续向反应装置中，通过选择要制备的四取代脲形成反应装置中的两相体系，通过待进料的物质和物质混合物的混合比例 通过反应期间的温度，并且在适当的情况下，通过进料与水不完全混溶的有机溶剂，并从反应装置中连续排出反应混合物。

    Method For High-Purity Quaternary Ammonium Compounds
    4.
    发明申请
    Method For High-Purity Quaternary Ammonium Compounds 审中-公开
    高纯度季铵化合物的方法

    公开(公告)号：US20080033209A1

    公开(公告)日：2008-02-07

    申请号：US11661080

    申请日：2005-08-03

    申请人： Laszlo Szarvas ,  Thorsten Rohde ,  Lars Wittenbecher ,  Klemens Massonne

    发明人： Laszlo Szarvas ,  Thorsten Rohde ,  Lars Wittenbecher ,  Klemens Massonne

    IPC分类号： C07C209/20 ,  C07D213/20 ,  C07D233/54

    CPC分类号： C07C209/20 ,  C07C211/43

    摘要： Process for preparing quaternary ammonium compounds by reacting the corresponding tertiary sp3-hybridized amine or sp2-hybridized imine with dimethyl sulfite, wherein the reaction is carried out (i) in the presence of a solvent selected from the group consisting of aromatic hydrocarbons having from 6 to 10 carbon atoms, symmetrical or unsymmetrical dialkyl ethers having a total of from 5 to 10 carbon atoms, cycloalkanes having from 5 to 8 carbon atoms and C5-C10-alkanes; and (ii) at a temperature of from 10 to 100° C.

    摘要翻译： 通过使相应的叔三异丙基胺或sp2-2杂化亚胺与亚硫酸二甲酯反应制备季铵化合物的方法，其中反应进行（i） 存在选自具有6至10个碳原子的芳族烃，具有总共5至10个碳原子的对称或不对称二烷基醚的溶剂，具有5至8个碳原子的环烷烃和C 5 -C 8烷基， 5 -C 10 - 烷烃; 和（ii）在10-100℃的温度下

    Method for producing isocyanates
    6.
    发明授权
    Method for producing isocyanates 失效
    异氰酸酯的制备方法

    公开(公告)号：US07482481B2

    公开(公告)日：2009-01-27

    申请号：US10492618

    申请日：2002-10-17

    申请人： Thorsten Rohde ,  Armin Stamm ,  Jochem Henkelmann

    发明人： Thorsten Rohde ,  Armin Stamm ,  Jochem Henkelmann

    IPC分类号： C07C263/00

    CPC分类号： C07C263/10 ,  C07C2601/14 ,  C07C265/10

    摘要： In a process for preparing isocyanates by reacting the corresponding primary amines with phosgene in an inert solvent, use is made of from 0.01 to 50 mol % of a phosphine oxide, based on the total amount of primary amine and isocyanate formed in the reaction solution.

    摘要翻译： 在惰性溶剂中通过使相应的伯胺与光气反应来制备异氰酸酯的方法中，使用基于反应溶液中形成的伯胺和异氰酸酯的总量为0.01至50摩尔％的氧化膦。

    Method for the Production of Phthalic Dichloride
    8.
    发明申请
    Method for the Production of Phthalic Dichloride 审中-公开
    邻苯二甲酸二氯生产方法

    公开(公告)号：US20070299282A1

    公开(公告)日：2007-12-27

    申请号：US11719983

    申请日：2005-11-24

    申请人： Thorsten Rohde ,  Jochem Henkelmann

    发明人： Thorsten Rohde ,  Jochem Henkelmann

    IPC分类号： C07C51/60

    CPC分类号： C07C51/60 ,  C07C63/22

    摘要： A process for preparing phthaloyl chloride by reacting phthalic anhydride with a chlorinating agent (I) selected from the group of thionyl chloride and phosgene in the presence of a catalyst at a temperature of from 80 to 200° C. and a pressure of from 0.01 to 10 MPa abs, in which the catalyst (II) used is triphenylphosphine, triphenylphosphine oxide or a mixture thereof.

    摘要翻译： 一种通过邻苯二甲酸酐与选自亚硫酰氯和光气的氯化剂（I）在催化剂存在下，在80-200℃和0.01〜 10MPa abs，其中使用的催化剂（II）是三苯基膦，三苯基氧化膦或其混合物。

    Method for the continuous production of tetra-substituted ureas
    9.
    发明申请
    Method for the continuous production of tetra-substituted ureas 失效
    连续生产四取代脲的方法

    公开(公告)号：US20050261524A1

    公开(公告)日：2005-11-24

    申请号：US10520402

    申请日：2003-07-03

    申请人： Jochen Henkelmann ,  Theodor Weber ,  Thorsten Rohde ,  Ralph Busch

    发明人： Jochen Henkelmann ,  Theodor Weber ,  Thorsten Rohde ,  Ralph Busch

    IPC分类号： C07C273/18 ,  C07C275/06

    CPC分类号： C07C273/1809 ,  C07C275/06

    摘要： The invention relates to a process for the preparation of tetrasubstituted ureas by reaction of the corresponding amines with phosgene in the presence of an aqueous inorganic base at a temperature in the range from 0 to 150° C., which comprises: feeding the corresponding amine, the phosgene and the aqueous inorganic base on average continuously to the reaction apparatus, forming a two-phase system in the reaction apparatus through the choice of the tetrasubstituted ureas to be prepared, through the mixing ratios of the substances and substance mixtures to be fed in, through the temperature during the reaction and, where appropriate, through the feed of an organic solvent which is not completely miscible with water, and discharging the reaction mixture on average continuously from the reaction apparatus.

    摘要翻译： 本发明涉及通过在无机碱水溶液存在下，在0至150℃的温度范围内使相应的胺与光气反应来制备四取代的脲的方法，该方法包括：将相应的胺， 光气和水无机碱平均连续向反应装置中，通过选择要制备的四取代脲形成反应装置中的两相体系，通过待进料的物质和物质混合物的混合比例 通过反应期间的温度，并且在适当的情况下，通过进料与水不完全混溶的有机溶剂，并从反应装置中连续排出反应混合物。