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公开(公告)号：US06537364B2
公开(公告)日：2003-03-25
申请号：US09971496
申请日：2001-10-05
申请人： Erwin Dietz , Joachim Weber , Dieter Schnaitmann , Christian Wille , Leonhard Unverdorben , Klaus Brychcy
发明人： Erwin Dietz , Joachim Weber , Dieter Schnaitmann , Christian Wille , Leonhard Unverdorben , Klaus Brychcy
IPC分类号： C09B6704
CPC分类号： C09B67/0017 , C09B67/0001
摘要： The invention provides a process for the fine division of pigments which comprises dissolving coarsely crystalline crude pigments in a solvent and precipitating them with a liquid precipitation medium by spraying the pigment solution and the precipitation medium through nozzles to a point of conjoint collision in a reactor chamber enclosed by a housing in a microjet reactor, a gas or an evaporating liquid being passed into the reactor chamber through an opening in the housing for the purpose of maintaining a gas atmosphere in the reactor chamber, and the resulting pigment suspension and the gas or the evaporated liquid being removed from the reactor through a further opening in the housing by means of overpressure on the gas entry side or underpressure on the product and gas exit side.
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公开(公告)号：US5902884A
公开(公告)日：1999-05-11
申请号：US21981
申请日：1998-02-11
申请人： Wolfgang Bauer , Klaus Delpy , Gert Nagl , Leonhard Unverdorben
发明人： Wolfgang Bauer , Klaus Delpy , Gert Nagl , Leonhard Unverdorben
IPC分类号： B01J31/02 , C07B61/00 , C07D209/86 , C07D209/88 , C07D209/82
CPC分类号： C07D209/88 , C07D209/86
摘要： Process for preparing N-alkylcarbazolesThe present invention relates to a process for preparing N-alkylcarbazoles of the formula I ##STR1## where R.sup.1 is (C.sub.1 -C.sub.6)-alkyl andY is hydrogen, (C.sub.1 -C.sub.6)-alkyl, (C.sub.1 -C.sub.6)-alkoxy, nitro or halogen, by reacting a carbazole of the formula II ##STR2## with an alkyl halide of the formula IIIR.sup.1 -X IIIwhere X is a halogen atom,in an inert solvent in the presence of an inorganic base and a catalyst of the formula IVR.sup.2 R.sup.3 N-(CH.sub.2).sub.n -NR.sup.4 R.sup.5 IVwheren is an integer from 2 to 8,R.sup.2, R.sup.3 and R.sup.4 are, independently of one another, hydrogen or (C.sub.1 -C.sub.4)-alkyl andR.sup.5 is hydrogen, (C.sub.1 -C.sub.4)-alkyl, amino-(C.sub.1 -C.sub.4)-alkyl or N,N-di(C.sub.1 -C.sub.4)-alkylamino-(C.sub.1 -C.sub.4)-alkyl.
摘要翻译： 制备N-烷基咔唑的方法本发明涉及制备式I的N-烷基咔唑的方法，其中R 1为（C 1 -C 6） - 烷基且Y为氢，（C 1 -C 6） - 烷基，（C 1 -C 6） - 烷氧基，硝基或卤素，在惰性溶剂中，在惰性溶剂中，在无机碱和式IVR2R3N-的催化剂的存在下，使式II的咔唑与式IIIR1-XIII的烷基卤反应，其中X是卤素原子， （CH2）n-NR4R5IV其中n为2至8的整数，R2，R3和R4彼此独立地为氢或（C1-C4） - 烷基，R5为氢，（C1-C4） - 烷基， 氨基 - （C 1 -C 4） - 烷基或N，N-二（C 1 -C 4） - 烷基氨基 - （C 1 -C 4） - 烷基。
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公开(公告)号：US06616859B1
公开(公告)日：2003-09-09
申请号：US09879747
申请日：2001-06-11
IPC分类号： C09K300
CPC分类号： B01J19/0093 , B01J2219/00835 , B01J2219/00873 , B01J2219/00889 , B01J2219/00984 , C07C29/70 , C07C31/30
摘要： A process for preparing alcoholic solutions of alkali metal alkoxides. The process includes reacting an alkali metal with an alcohol in a microreactor wherein the microreactor provides laminer flow.
摘要翻译： 一种制备碱金属醇盐的醇溶液的方法。 该方法包括在微反应器中使碱金属与醇反应，其中微反应器提供层流器流。
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公开(公告)号：US5152875A
公开(公告)日：1992-10-06
申请号：US681891
申请日：1991-04-08
IPC分类号： C07C17/38 , C07C17/386 , C07C25/08
CPC分类号： C07C17/386
摘要： A process for separating m- and p-dichlorobenzene by extractive rectification with an extractant and removal of this extractant. Using as extractant an alkylene carbonate of the formula ##STR1## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are identical to or different from one another and each is hydrogen, methyl or ethyl, with the proviso that together the radicals R.sup.1 to R.sup.4 do not contain more than 6 carbon atoms.The process of the invention makes it possible to separate off the m-isomer in high purity.
摘要翻译： 通过萃取剂萃取精馏分离间二氯和对二氯苯并除去该萃取剂的方法。 使用作为萃取剂的式（I）的碳酸亚烷酯，其中R 1，R 2，R 3和R 4彼此相同或不同，并且各自为氢，甲基或乙基，条件是基团R 1至R 4 不含6个以上碳原子。 本发明的方法使得可以以高纯度分离出m-异构体。
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公开(公告)号：US20060228640A1
公开(公告)日：2006-10-12
申请号：US11450228
申请日：2006-06-09
CPC分类号： C09D5/035 , B01J19/0093 , C09B41/006 , C09D11/0235 , C09D11/037 , C09D11/32 , C09D11/322 , C09D11/34 , C09D11/36 , G03G9/091
摘要： The invention is directed to an electrophotographic toner or developer, powder coating, ink jet ink or an electronic media having an azo colorant prepared by conducting the diazotization of aromatic or hetaromatic amines or the azo coupling reaction or the diazotization and the azo coupling reaction in a microreactor.
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公开(公告)号：US20060142588A1
公开(公告)日：2006-06-29
申请号：US10544076
申请日：2003-12-13
申请人： Uwe Nickel , Detlef Wehle , Leonhard Unverdorben , Klaus Forstinger , Hieng Kim
发明人： Uwe Nickel , Detlef Wehle , Leonhard Unverdorben , Klaus Forstinger , Hieng Kim
IPC分类号： C07D235/22 , C07C69/76 , C07C309/29
CPC分类号： C07D235/26 , C07C67/46 , C07C231/04 , C07C303/22 , C07C303/32 , C07C69/72 , C07C309/51
摘要： The invention relates to a method for the production of β-keto-carboxylic acid derivatives of formula (I) or the salts thereof, where X═NR′, O or S, R, R′, R1-R4 independently ═H, alkyl, alkenyl, aryl or heteroaryl, by reaction of a diketene of formula (II) with a compound comprising an active hydrogen of formula ROH, NHRR′ or RSH, characterised in that the reaction is continuously carried out in a microreactor.
摘要翻译： 本发明涉及制备式（I）的β-酮 - 羧酸衍生物或其盐的方法，其中X-NR'，O或S，R，R'，R 1 通过式（II）的二烯酮与包含式ROH，NHRR'或RSH的活性氢的化合物的反应，独立地是-H，烷基，烯基，芳基或杂芳基，-R 因为反应在微反应器中连续进行。
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公开(公告)号：US06649758B2
公开(公告)日：2003-11-18
申请号：US09886569
申请日：2001-06-21
IPC分类号： C07D27916
CPC分类号： C09B7/00
摘要： A process for preparing symmetrical or asymmetrical trans-thiazineindigo pigments of the formula (1) which comprises a) condensing, in an aqueous medium, a compound of the formula (2) with a compound of the formula (3a) or (3b) or a compound of the formula (4) with a compound of the formula (3a) and/or (3b) by maintaining the reaction mixture at a temperature between 30 and 65° C. for at least 1 hour and then b) maintaining the reaction mixture at a temperature between 100 and 180° C. and a pressure between 2 and 50 bar for at least 1 hour in the presence of an amide.
摘要翻译： 制备式（1）的对称或不对称的反噻嗪靛色素的方法，其包括：a）在水性介质中将式（2）的化合物与式（3a）或（3b）的化合物或 将式（4）的化合物与式（3a）和/或（3b）的化合物通过将反应混合物保持在30至65℃的温度至少1小时，然后b）将反应混合物保持在 温度为100至180℃，压力为2至50巴，在酰胺存在下至少1小时。
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公开(公告)号：US06582508B2
公开(公告)日：2003-06-24
申请号：US09972082
申请日：2001-10-05
IPC分类号： C09B6704
CPC分类号： C09B67/0002
摘要： The invention provides a process for the fine division of pigments which comprises spraying a coarsely crystalline crude pigment and/or a poorly dispersible prepigment in suspension form through nozzles to a point of conjoint collision in a reactor chamber enclosed by a housing in a microjet reactor, a gas or an evaporating liquid being passed into the reactor chamber through an opening in the housing for the purpose of maintaining a gas atmosphere in the reactor chamber, and the resulting pigment suspension and the gas or the evaporated liquid being removed from the reactor through a further opening in the housing by means of overpressure on the gas entry side or underpressure on the product and gas exit side.
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公开(公告)号：US07892345B2
公开(公告)日：2011-02-22
申请号：US12531797
申请日：2008-02-28
CPC分类号： C09B67/0002 , C09B67/0014 , C09B67/0022 , C09D11/322
摘要： The invention accordingly relates to a method for preparing transparent C.I. Pigment Violet 23 by salt kneading a Pigment Violet 23-crude in the presence of a crystalline salt and an organic liquid. Said method is characterized in that the organic liquid is propylene carbonate.
摘要翻译： 因此本发明涉及一种制备透明C.I.的方法。 颜料紫23通过在结晶盐和有机液体存在下盐酸捏合颜料紫23-粗品。 所述方法的特征在于有机液体是碳酸丙烯酯。
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公开(公告)号：US20100101456A1
公开(公告)日：2010-04-29
申请号：US12531797
申请日：2008-02-28
IPC分类号： C08K5/3417 , C07D209/86
CPC分类号： C09B67/0002 , C09B67/0014 , C09B67/0022 , C09D11/322
摘要： The invention accordingly relates to a method for preparing transparent C.I. Pigment Violet 23 by salt kneading a Pigment Violet 23-crude in the presence of a crystalline salt and an organic liquid. Said method is characterized in that the organic liquid is propylene carbonate.
摘要翻译： 因此本发明涉及一种制备透明C.I.的方法。 颜料紫23通过在结晶盐和有机液体存在下盐酸捏合颜料紫23-粗品。 所述方法的特征在于有机液体是碳酸丙烯酯。
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