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    Vinylsilicone pastes for dental impression
    32.
    发明授权
    Vinylsilicone pastes for dental impression 失效
    乙烯基硅胶用于牙科印象

    公开(公告)号：US4359565A

    公开(公告)日：1982-11-16

    申请号：US288076

    申请日：1981-07-29

    Applicant: Lothar Puppe ,  Reiner Voigt ,  Manfred Borgardt ,  Hans-Heinrich Moretto ,  Bernard Munchenbach

    Inventor： Lothar Puppe ,  Reiner Voigt ,  Manfred Borgardt ,  Hans-Heinrich Moretto ,  Bernard Munchenbach

    IPC: A61K6/093 ,  A61K6/10 ,  G02B6/44 ,  C08G77/06

    CPC classification number: A61K6/10 ,  G02B6/4492

    Abstract: In a polysiloxane-based dental composition which crosslinks by an addition reaction and hardens at room temperature, the composition comprising(a) an organopolysiloxane with at least two vinyl groups in the molecule,(b) an organohydridopolysiloxane,(c) a catalyst to accelerate the addition reaction, and(d) a hydrophobic filler, the improvement which comprises including therein(e) an aluminosilicate containing finely divided palladium. This removes any by-product hydrogen and results in a smoother surface on any plaster of Paris moldings made from the hardened composition.

    Abstract translation: 在通过加成反应交联并在室温下硬化的基于聚硅氧烷的牙科用组合物中，所述组合物包含（a）分子中具有至少两个乙烯基的有机聚硅氧烷，（b）有机氢聚硅氧烷，（c）加速催化剂 加成反应，和（d）疏水性填料，其改进包括（e）含有细碎钯的硅铝酸盐。 这可以除去任何副产物氢，并在由硬化组合物制成的任何石膏巴黎模塑制品上形成更平滑的表面。

    Process for the preparation of zeolite A from kaolin
    33.
    发明授权
    Process for the preparation of zeolite A from kaolin 失效
    从高岭土制备沸石A的方法

    公开(公告)号：US4271130A

    公开(公告)日：1981-06-02

    申请号：US095750

    申请日：1979-11-19

    Applicant: Robert Endres ,  Heinz Drave ,  Manfred Mansmann ,  Lothar Puppe

    Inventor： Robert Endres ,  Heinz Drave ,  Manfred Mansmann ,  Lothar Puppe

    IPC: C01B39/18 ,  C01B39/02 ,  C04B33/10 ,  C11D3/08 ,  C11D3/12 ,  C01B33/28 ,  C02F1/42

    CPC classification number: C04B33/10 ,  C01B33/283 ,  C01B39/02 ,  C11D3/128 ,  Y10S423/24

    Abstract: The invention provides a process for the production of zeolite A from kaolin by conversion of the kaolin into meta-kaolin followed by reaction of the meta-kaolin in an aqueous alkaline medium, wherein the conversion of the kaolin into the meta-kaolin is conducted at temperatures of between 700.degree. and 950.degree. C. in the presence of alkaline earth compounds and optionally in the presence of uncolored halides and/or halogens, wherein the process may be conducted under reducing conditions and in the presence of alkali metal compounds.

    Abstract translation: 本发明提供了一种从高岭土生产沸石A的方法，该方法是通过将高岭土转化为高高岭土，随后在含水碱性介质中使高岭土反应，其中高岭土转化为偏高岭土是在 在碱土金属化合物的存在下，任选地在未着色的卤化物和/或卤素的存在下，温度在700-950℃之间，其中该方法可以在还原条件下和在碱金属化合物的存在下进行。

    Silica gel comprising guanidine carbonate
    34.
    发明申请
    Silica gel comprising guanidine carbonate 审中-公开
    含有碳酸胍的硅胶

    公开(公告)号：US20130068139A1

    公开(公告)日：2013-03-21

    申请号：US13617807

    申请日：2012-09-14

    Applicant: Lothar Puppe ,  Dietrich Pantke

    Inventor： Lothar Puppe ,  Dietrich Pantke

    IPC: C08K3/28

    CPC classification number: C08K3/28 ,  C01B33/148 ,  D21H17/68 ,  D21H21/10

    Abstract: A process of preparing a silica sol is described. The process involves reacting a fresh sol with guanidine carbonate. The reaction may be conducted in the presence of a base (e.g., sodium water glass), and at a pH of from 8 to 12. The process of the present invention may also include concentrating steps. The silica sol prepared by the method of the present invention has a BET surface area of greater than or equal to 100 m2/g, and contains from 0.05 to 15% by weight of gaunidinium ions, based on the total weight of the silica gel.

    Abstract translation: 描述了制备二氧化硅溶胶的方法。 该方法包括使新鲜的溶胶与碳酸胍反应。 反应可以在碱（例如钠水玻璃）存在下进行，pH为8〜12。本发明的方法还可以包括浓缩步骤。 通过本发明的方法制备的二氧化硅溶胶具有大于或等于100m 2 / g的BET表面积，并且基于硅胶的总重量含有0.05至15重量％的高锰酸根离子。

    Silica gel comprising guanidine carbonate
    35.
    发明授权
    Silica gel comprising guanidine carbonate 失效
    含有碳酸胍的硅胶

    公开(公告)号：US08299131B2

    公开(公告)日：2012-10-30

    申请号：US10520574

    申请日：2003-07-07

    Applicant: Lothar Puppe ,  Dietrich Pantke

    Inventor： Lothar Puppe ,  Dietrich Pantke

    IPC: C01B33/12 ,  C01B33/141

    CPC classification number: C08K3/28 ,  C01B33/148 ,  D21H17/68 ,  D21H21/10

    Abstract: A process of preparing a silica sol is described. The process involves reacting a fresh sol with guanidine carbonate. The reaction may be conducted in the presence of a base (e. g. , sodium water glass), and at a pH of from 8 to 12. The process of the present invention may also include concentrating steps. The silica sol prepared by the method of the present invention has a BET surface area of greater than or equal to 100 m2/g, and contains from 0.05 to 15% by weight of gaunidinium ions, based on the total weight of the silica gel.

    Abstract translation: 描述了制备二氧化硅溶胶的方法。 该方法包括使新鲜的溶胶与碳酸胍反应。 反应可以在碱（例如钠水玻璃）存在下进行，pH为8〜12。本发明的方法还可以包括浓缩步骤。 通过本发明的方法制备的二氧化硅溶胶具有大于或等于100m 2 / g的BET表面积，并且基于硅胶的总重量含有0.05至15重量％的高锰酸根离子。

    Process for separating mixtures of m- and p-dichlorobenzene
    38.
    发明授权
    Process for separating mixtures of m- and p-dichlorobenzene 失效
    分离对 - 二氯苯混合物的方法

    公开(公告)号：US5386067A

    公开(公告)日：1995-01-31

    申请号：US252154

    申请日：1994-06-01

    Applicant: Ursula Pentling ,  Hans-Josef Buysch ,  Lothar Puppe ,  Kai Rohlk ,  Rolf Grosser ,  Hans-Ingolf Paul

    Inventor： Ursula Pentling ,  Hans-Josef Buysch ,  Lothar Puppe ,  Kai Rohlk ,  Rolf Grosser ,  Hans-Ingolf Paul

    IPC: B01D15/00 ,  B01D15/04 ,  C07C17/38 ,  C07C17/389 ,  C07C25/08

    CPC classification number: C07C17/389

    Abstract: Mixtures of m- and p-dichlorobenzene can be separated by treating such mixtures in the liquid phase with a pentasil zeolite at from 20.degree. to 250.degree. C., a filtrate enriched in m-dichlorobenzene being removed and the p-dichlorobenzene being obtained by desorption of the pentasil zeolite. The pentasil zeolites may contain, as exchangeable cations, protons, cations of the first or second main group of the Mendeleev Periodic System, cations of the rare earth metals or a mixture of a plurality thereof. In order to prepare the liquid phase a solvent is used that belongs to the group of cyclic saturated hydrocarbons having 5 to 15 carbon atoms, alkyl-substituted aromatic hydrocarbons having 8 to 12 carbon atoms, and halogen-substituted aromatic hydrocarbons having 6 to 10 carbon atoms and 1 to 3 halogen atoms. The solvents ethylbenzene, chlorobenzene, p-xylene, p-chlorotoluene and dichlorobenzene are excepted. A mixture of a plurality of these solvents may also be used.

    Abstract translation: 可以通过在20至250℃下用pentasil沸石处理液相中的这种混合物来分离对 - 二氯苯的混合物，除去富含间二氯苯的滤液，将对二氯苯由 五硅沸石的解吸。 戊二烯沸石可以包含作为可交换阳离子的质子，门多列夫周期系统的第一或第二主要组分的阳离子，稀土金属的阳离子或其多个混合物。 为了制备液相，使用属于具有5至15个碳原子的环状饱和烃基团，具有8至12个碳原子的烷基取代的芳族烃和具有6至10个碳原子的卤素取代的芳族烃的溶剂 原子和1至3个卤素原子。 溶剂乙苯，氯苯，对二甲苯，对氯甲苯和二氯苯除外。 也可以使用多种这些溶剂的混合物。

    Process for the preparation of dialkyl carbonates
    39.
    发明授权
    Process for the preparation of dialkyl carbonates 失效
    制备碳酸二烷基酯的方法

    公开(公告)号：US5360922A

    公开(公告)日：1994-11-01

    申请号：US23302

    申请日：1993-02-26

    Applicant: Erich Wolters ,  Heinz Landscheidt ,  Alexander Klausener ,  Lothar Puppe

    Inventor： Erich Wolters ,  Heinz Landscheidt ,  Alexander Klausener ,  Lothar Puppe

    IPC: B01J29/064 ,  C07C68/00 ,  C07C69/96

    CPC classification number: B01J29/064 ,  C07C68/00 ,  Y02P20/582

    Abstract: Dialkyl carbonates can be prepared by the reaction of carbon monoxide with alkyl nitrites in a continuous gas phase reaction, using a platinum group metal catalyst on an alumosilicate zeolite having acidic centers, preferably in the H.sup.+ form, as a support, which catalyst may optionally comprise additional material of a compound of antimony, bismuth, aluminum, copper, vanadium, niobium, tantalum, tin, iron, cobalt, nickel or a mixture of a plurality of these, and hydrogen halide being added in the course of the reaction intermittently or continuously. In this reaction, the dialkyl carbonates are formed with almost quantitative selectivity; the corresponding dialkyl oxalates cannot be detected in most cases.

    Abstract translation: 碳酸二烷基酯可以通过在连续气相反应中使用一氧化碳与烷基亚硝酸盐的反应来制备，使用铂族金属催化剂在具有酸性中心的铝硅酸盐沸石，优选以H +形式作为载体，该催化剂可任选地包含 锑，铋，铝，铜，钒，铌，钽，锡，铁，钴，镍或它们中的多种的混合物的化合物的附加材料和在反应过程中间歇或连续地加入的卤化氢 。 在该反应中，以几乎定量的选择性形成碳酸二烷基酯; 在大多数情况下不能检测到相应的草酸二烷基酯。

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