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公开(公告)号：US20040267021A1
公开(公告)日：2004-12-30
申请号：US10823586
申请日：2004-04-14
发明人： Ralph Lunkwitz , Gunther Pabst , Gunter Scherr
IPC分类号： C07D41/14
CPC分类号： C07D213/61
摘要： The present invention provides processes for preparing terpyridine compounds. In particular, the present invention provides a process for the preparation of a C1-C4-alkyl pyridine-2-carboxylate compound, a 1,5-bis(2-pyridyl)pentane-1,3,5-trione compound, and a 2,6-bis(2-pyridyl)-4(1H)pyridinone compound.
摘要翻译： 本发明提供了制备三联吡啶化合物的方法。 特别地，本发明提供了制备C 1 -C 4烷基吡啶-2-羧酸酯化合物，1,5-双（2-吡啶基）戊烷-1,3,5-三酮化合物和 2,6-二（2-吡啶基）-4（1H）吡啶酮化合物。
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2.发明申请Heterogeneously catalyzed partial gas phase oxidation of acrolein to acrylic acid 有权丙烯醛的异相催化部分气相氧化成丙烯酸公开(公告)号：US20040249196A1
公开(公告)日：2004-12-09
申请号：US10803897
申请日：2004-03-19
IPC分类号： C07C051/10
CPC分类号： C07C51/252 , C07C57/04
摘要： In a process for heterogeneously catalyzed partial gas phase oxidation of acrolein to acrylic acid, the starting reaction gas mixture is oxidized over a fixed catalyst bed 1 which consists of at least two fixed catalyst bed zones and is accommodated in two successive temperature zones A, B, and the transition from temperature zone A to temperature zone B does not coincide with a transition from one fixed catalyst bed zone to another fixed catalyst bed zone.
摘要翻译： 在将丙烯醛非均相催化部分气相氧化成丙烯酸的过程中，起始反应气体混合物在由至少两个固定的催化剂床区组成的固定催化剂床1上被氧化并且容纳在两个连续的温度区A，B ，从温度区A到温度区B的过渡与从一个固定的催化剂床区到另一个固定的催化剂床区的过渡不一致。
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3.发明申请Preparation of readily water-redispersible and water-wettable polymer powders 失效易水分再分散和水可湿性聚合物粉末的制备公开(公告)号：US20040198896A1
公开(公告)日：2004-10-07
申请号：US10815870
申请日：2004-04-02
发明人： Joachim Pakusch , Ines Pietsch , Hans-Jurgen Denu , Heinrich Sack , Bernd Reck
IPC分类号： C08L031/00
摘要： A readily water-redispersible and water-wettable polymer powder is prepared by spray-drying of an aqueous dispersion of polymer particles with admixing of a hydrophilic and of a hydrophobic antiblocking agent.
摘要翻译： 通过将亲水性和疏水性防粘连剂混合，通过喷雾干燥聚合物颗粒的水性分散体来制备容易的水再分散性和水可湿性聚合物粉末。
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公开(公告)号：US20040186229A1
公开(公告)日：2004-09-23
申请号：US10765152
申请日：2004-01-28
发明人： Wilfried Heide , Stefan Wickel , Thomas Daniel , Joachim Nilges , Jurgen Hofmann
IPC分类号： C08L033/00
CPC分类号： C08F2/01 , B01J14/00 , B01J19/0013 , B01J19/20 , B01J2219/00033 , B01J2219/00063 , B01J2219/00085 , B01J2219/00094 , B01J2219/00123 , B01J2219/00128 , B01J2219/00162 , B01J2219/00166 , C08F2/10
摘要： A process for continuous production of crosslinked fine particles of polymer gel by copolymerizing a) water-soluble monoethylenically unsaturated monomers, b) from 0.001 to 5 mol % based on the monomers (a) of monomers containing at least two ethylenically unsaturated double bonds, and c) from 0 to 20 mol % based on the monomers (a) of water-insoluble monoethylenically unsaturated monomers in from 20 to 80% by weight aqueous solution in the presence of an initiator at from 0 to 140null C. by feeding the aqueous solution of the monomers together with the initiator and an inert gas continuously into a mixing kneader having at least two axially parallel rotating shafts equipped with a plurality of kneading and transporting elements which convey the substances introduced at the upstream end of the mixing kneader in the axial direction toward the downstream end of the mixer, comprises the fraction of heat being removed by evaporation of water from the reaction mixture being not less than 5% of the heat of reaction and the fraction of heat being removed by product discharge being not less than 25% of the heat of reaction and the rest of the heat being removed via cooling of the reactor walls.
摘要翻译： 一种通过共聚a）水溶性单烯属不饱和单体，b）相对于含有至少两个烯键式不饱和双键的单体（a）为0.001〜5摩尔％的连续制造交联微粒的方法，以及 c）0至20摩尔％，基于单体（a）的水不溶性单烯属不饱和单体，在20至80重量％的水溶液中，在0-140℃的引发剂存在下，通过加入水 将单体与引发剂和惰性气体的溶液连续混合到具有至少两个轴向平行的旋转轴的混合捏合机中，所述两个轴向平行的旋转轴装备有多个捏合和输送元件，其将在混合捏合机的上游端引入的物质沿轴向 朝向混合器下游端的方向包括通过蒸发反应混合物中的水而除去的热分数不小于5％ 反应热和通过产物排放除去的热分数不低于反应热的25％，剩余的热量通过反应器壁的冷却除去。
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5.发明申请Method for producing tert-butyl esters of aliphatic C1-C4-carboxylic acids 审中-公开脂肪族C 1 -C 4羧酸叔丁酯的制造方法公开(公告)号：US20040158094A1
公开(公告)日：2004-08-12
申请号：US10769911
申请日：2004-02-03
IPC分类号： B01J010/00
CPC分类号： C07C67/04 , Y02P20/582 , C07C69/14 , C07C69/54
摘要： The tert-butyl ester of an aliphatic C1-C4-carboxylic acid is prepared by reacting the carboxylic acid with isobutene in the liquid phase in the presence of an acidic catalyst by a continuous process in which the reaction is carried out in a reactor divided into a plurality of sections, the carboxylic acid, the isoolefin and the catalyst are fed into the first section of the reactor, the reaction mixture obtained is removed from the last section of the reactor and the ester is isolated therefrom, the reaction temperature in the reactor being controlled so that it is from 10 to 40null C. and is highest in the first section of the reactor. The novel process permits the technically simple, economical and environmentally friendly preparation of tertiary butyl esters of saturated and unsaturated C1-C4-carboxylic acids.
摘要翻译： 脂肪族C 1 -C 4 - 羧酸的叔丁基酯是通过在酸性催化剂存在下在液相中使羧酸与异丁烯反应来制备的，其中连续方法是反应分解成 多个部分，羧酸，异烯烃和催化剂进料到反应器的第一部分中，从反应器的最后部分除去所获得的反应混合物，从其中分离出酯，反应器中的反应温度 被控制为使其为10至40℃，并且在反应器的第一部分中最高。 该新方法允许在技术上简单，经济和环境友好地制备饱和和不饱和C1-C4-羧酸的叔丁基酯。
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公开(公告)号：US20040152583A1
公开(公告)日：2004-08-05
申请号：US10761245
申请日：2004-01-22
IPC分类号： B01J038/12
CPC分类号： B01J29/90 , B01J38/20 , C07B41/00 , C07D301/12 , Y02P20/584
摘要： A process for regenerating a zeolite catalyst comprises the following stages: (I) Heating a partially or completely deactivated catalyst to 250-600null C. in an atmosphere which contains less than 2% by volume of oxygen, (II) treating the catalyst at from 250 to 800null C., preferably from 350 to 600null C., with a gas stream which contains from 0.1 to 4% by volume of an oxygen-donating substance or of oxygen or of a mixture of two or more thereof, and (III) treating the catalyst at from 250 to 800null C., preferably from 350 to 600null C., with a gas stream which contains from more than 4 to 100% by volume of an oxygen-donating substance or of oxygen or of a mixture of two or more thereof.
摘要翻译： 再生沸石催化剂的方法包括以下步骤：（I）在含有少于2体积％氧气的气氛中将部分或完全失活的催化剂加热至250-600℃，（II）将催化剂处理 250至800℃，优选350至600℃，含有0.1至4体积％的供氧物质或氧气或其两种或多种的混合物的气流和 （III）在250至800℃，优选350至600℃下处理催化剂，其中气流含有超过4至100体积％的供氧物质或氧气或 其两种或更多种的混合物。
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公开(公告)号：US20040115119A1
公开(公告)日：2004-06-17
申请号：US10323628
申请日：2002-12-20
IPC分类号： C01B007/04
CPC分类号： C01B7/04 , B01J8/008 , B01J8/067 , B01J2208/00212 , B01J2208/00221 , B01J2208/00849 , B01J2219/00038
摘要： A process for preparing chlorine by gas-phase oxidation of hydrogen chloride by means of a gas stream comprising molecular oxygen in the presence of a fixed-bed catalyst, which is carried out in a reactor (1) having a bundle of parallel catalyst tubes (2) which are aligned in the longitudinal direction of the reactor and are fixed at their ends into tube plates (3), with a cap (4) at each end of the reactor (1) and with one or more annular deflection plates (6) which are arranged perpendicular to the longitudinal direction of the reactor in the intermediate space (5) between the catalyst tubes (2) and leave circular passages (8) free in the middle of the reactor and one or more disk-shaped deflection plates (7) which leave annular passages (9) free at the edge of the reactor, with an alternating arrangement of annular deflection plates (6) and disk-shaped deflection plates (7) with the catalyst tubes (2) being charged with the fixed-bed catalyst, the hydrogen chloride and the gas stream comprising molecular oxygen being passed from one end of the reactor via a cap (4) through the catalyst tubes (2) and the gaseous reaction mixture being taken off from the opposite end of the reactor via the second cap (4) and a liquid heat transfer medium being passed through the intermediate space (5) around the catalyst tubes (2), is proposed.
摘要翻译： 一种在固定床催化剂存在下，借助于包含分子氧的气流，通过氯化氢气相氧化制备氯的方法，该固定床催化剂在具有一束平行催化剂管的反应器（1）中进行 2），其在反应器的纵向方向上对齐并且在其端部固定到管板（3）中，在反应器（1）的每个端部处具有盖（4）并且具有一个或多个环形偏转板（6） ），其在催化剂管（2）之间的中间空间（5）中垂直于反应器的纵向方向排列并且留下在反应器中部自由的圆形通道（8）和一个或多个盘形偏转板 7），其在反应器的边缘处留下环形通道（9），其中环形偏转板（6）和盘形偏转板（7）的交替排列与催化剂管（2） 床催化剂，氯化氢和气体流 m包括分子氧经由盖（4）从反应器的一端通过催化剂管（2），并且气态反应混合物经由第二盖（4）从反应器的相对端取出，并且液体 提出了传热介质通过催化剂管（2）周围的中间空间（5）。
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公开(公告)号：US20040097368A1
公开(公告)日：2004-05-20
申请号：US10647335
申请日：2003-08-26
IPC分类号： B01J023/00
CPC分类号： C07C51/215 , B01J23/002 , B01J23/31 , B01J23/6525 , B01J23/8877 , B01J27/0576 , B01J35/002 , B01J37/0045 , B01J37/0223 , B01J2523/00 , C07C57/04 , B01J2523/55 , B01J2523/56 , B01J2523/64 , B01J2523/68 , B01J2523/824 , B01J2523/845 , B01J2523/54 , B01J2523/44 , B01J2523/17 , B01J2523/847
摘要： A process for preparing a multimetal oxide material which contains the elements Mo, V and Te and/or Sb and at least one of the elements Nb, Ti, W, Ta and Ce and if desired promoters and has a specific X-ray diffraction pattern, in which process the last process step comprises washing with acidic liquids. In addition, a multimetal oxide material obtainable in such a way is used as a catalyst for heterogeneously catalyzed gas-phase partial oxidations and/or ammoxidation of hydrocarbons.
摘要翻译： 一种制备包含元素Mo，V和Te和/或Sb以及元素Nb，Ti，W，Ta和Ce中的至少一种的多金属氧化物材料的方法，并且如果需要的话，具有特定的X射线衍射图 ，其中最后的工艺步骤包括用酸性液体洗涤。 此外，可以以这种方式获得的多金属氧化物材料用作烃的非均相催化气相部分氧化和/或氨氧化的催化剂。
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公开(公告)号：US20040075080A1
公开(公告)日：2004-04-22
申请号：US10678111
申请日：2003-10-06
发明人： Frank Prechtl , Robert Parker , Peter Schuhmacher , Norbert Schneider , Sylke Haremza , Hans-Werner Schmidt , Gerold Schmitt
IPC分类号： C09K019/52 , C09K019/32 , C09K019/12
CPC分类号： C09K19/2007 , C09K19/00 , C09K19/38 , C09K2019/0448 , Y10T428/10
摘要： Disclosed are polymerizable liquid-crystalline compounds of the general formula (I) 1 where A1 and A2 are identical or different and are each a crosslinkable group; the radicals X are identical or different and are each a single bond, nullOnull, nullSnull, nullCnullNnull, nullOnullCOnull, nullCOnullOnull, nullOnullCOnullOnull, nullCOnullNRnull, nullNRnullCOnull, nullNRnull, nullOnullCOnullNR, nullNRnullCOnullOnull, nullCH2nullOnull or nullNRnullCOnullNR, in which R is H or C1-C4-alkyl; and M is a mesogenic group, a process for their preparation and their use for preparing cholesteric phases.
摘要翻译： 公开了通式（I）的可聚合液晶化合物，其中A 1和A 2相同或不同，并且各自为可交联基团; 基团X相同或不同，并且各自为单键，-O - ， - S - ， - C = N - ， - O-CO-，-CO-O-，-O-CO-O-，-CO -NR-，-NR-CO-，-NR-，-O-CO-NR，-NR-CO-O-，-CH2-O-或-NR-CO-NR，其中R是H或C1- C4-烷基; M是介晶基团，其制备方法及其用于制备胆甾型相。
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公开(公告)号：US20040073063A1
公开(公告)日：2004-04-15
申请号：US10465613
申请日：2003-06-20
发明人： Joachim Thiel , Ulrich Hammon , Dieter Baumann , Jorg Heilek , Juergen Schroder , Klaus Joachim Muller-Engel
IPC分类号： C07C051/16
摘要： In a process for preparing acrylic acid, an acrylic acid-containing product gas mixture obtained by catalytic gas phase partial oxidation of a C3 precursor of acrylic acid, after direct cooling with a quench liquid, is fractionally condensed in a separating column provided with internals, rising into itself with sidestream takeoff of crude acrylic acid, and the acrylic acid oligomers which form are dissociated and the resulting dissociation gas is subjected to a countercurrent rectification before it is recycled.
摘要翻译： 在制备丙烯酸的方法中，通过丙烯酸的C3前体的催化气相部分氧化获得的含丙烯酸的产物气体混合物在用骤冷液体直接冷却后，在设置有内部的分离塔中分级冷凝， 随着粗丙烯酸的侧流起飞而上升，形成的丙烯酸低聚物被解离，得到的解离气体在再循环之前进行逆流整流。
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