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45 条记录 (耗时 0.019 秒)

    Method for coproducing difluoromethane and 1,1,1,2-tetrafluoroethane
    2.
    发明授权
    Method for coproducing difluoromethane and 1,1,1,2-tetrafluoroethane 失效
    共同生产二氟甲烷和1,1,1,2-四氟乙烷的方法

    公开(公告)号：US5750810A

    公开(公告)日：1998-05-12

    申请号：US875656

    申请日：1997-07-30

    申请人： Jean-Pierre Schirmann ,  Serge Hub ,  Andre Lantz

    发明人： Jean-Pierre Schirmann ,  Serge Hub ,  Andre Lantz

    IPC分类号： C07C17/23 ,  C07C17/269 ,  C07C19/08 ,  C07C19/12 ,  C07C17/26

    CPC分类号： C07C17/23 ,  C07C17/269

    摘要： The present invention relates to the simultaneous manufacture of difluoromethane (F32) and 1,1,1,2-tetrafluoroethane (F134a) by pyrolysis of chlorodifluoromethane in the presence of hydrogen, working at a temperature above 500.degree. C. in the absence of any catalyst or metal surface. Depending on the operating conditions chosen, this process also makes it possible predominantly to manufacture either F134a or F32.

    摘要翻译： PCT No.PCT / FR96 / 00070 Sec。 371日期1997年7月30日 102（e）日期1997年7月30日PCT 1996年1月16日PCT PCT。 公开号WO96 / 25377 日期：1996年8月22日本发明涉及通过在氢气存在下热解氯二氟甲烷同时制造二氟甲烷（F32）和1,1,1,2-四氟乙烷（F134a），工作温度高于500℃。 在没有任何催化剂或金属表面的情况下。 根据所选的操作条件，此过程也可能主要制造F134a或F32。

    Method for preparing hydrazine hydrate
    3.
    发明授权
    Method for preparing hydrazine hydrate 失效
    水合肼的制备方法

    公开(公告)号：US06482383B1

    公开(公告)日：2002-11-19

    申请号：US09674574

    申请日：2000-10-31

    申请人： Jean-Pierre Schirmann

    发明人： Jean-Pierre Schirmann

    IPC分类号： C01B2116

    CPC分类号： C01B21/16

    摘要： A method for preparing hydrazine hydrate comprising: (a) reacting ammonia, hydrogen peroxide and methyl ethyl ketone in a working solution to form an azine; (b) separating the working solution from a mixture comprising the azine, methyl ethyl ketone oxime and optionally the methyl ethyl ketone which had not reacted; (c) recycling the working solution to step (a) after an optional treatment; (d) hydrolyzing the azine to obtain hydrazine hydrate and regenerating the methyl ethyl ketone; (e) recycling to step (a) the methyl ethyl ketone. In step (d) the methyl ethyl ketone oxime is purged.

    摘要翻译： 一种制备水合肼的方法，包括：（a）在工作溶液中使氨，过氧化氢和甲基乙基酮反应形成吖嗪; （b）从包含吖嗪，甲基乙基酮肟和任选的未反应的甲基乙基酮的混合物中分离工作溶液; （c）在任选处理之后将工作溶液循环到步骤（a）; （d）水解吖嗪以获得水合肼并再生甲基乙基酮; （e）回收步骤（a）甲基乙基酮。 在步骤（d）中，清除甲基乙基酮肟。

    Process for the manufacture of acrolein from propylene by a redox reaction and use of a solid mixed oxide composition as redox system in the said reaction
    4.
    发明授权
    Process for the manufacture of acrolein from propylene by a redox reaction and use of a solid mixed oxide composition as redox system in the said reaction 失效
    通过氧化还原反应从丙烯制造丙烯醛的方法和在所述反应中使用固体混合氧化物组合物作为氧化还原体系

    公开(公告)号：US6080893A

    公开(公告)日：2000-06-27

    申请号：US31665

    申请日：1998-02-27

    申请人： Gerard Hecquet ,  Jean-Pierre Schirmann ,  Michel Simon ,  Gilles Descat ,  Eric Etienne

    发明人： Gerard Hecquet ,  Jean-Pierre Schirmann ,  Michel Simon ,  Gilles Descat ,  Eric Etienne

    IPC分类号： B01J23/88 ,  C07B61/00 ,  C07C45/28 ,  C07C45/35 ,  C07C47/22 ,  B01J23/28 ,  B01J23/18 ,  B01J23/31 ,  B01J23/54

    CPC分类号： C07C45/28

    摘要： A mixed oxide solid composition of formula (I):Mo.sub.12 W.sub.a Bi.sub.b Fe.sub.c Co.sub.d Ni.sub.e Si.sub.f K.sub.g Sn.sub.h O.sub.x (I)where O.ltoreq.a.ltoreq.5, 0.5.ltoreq.b.ltoreq.5, 0.1.ltoreq.c.ltoreq.10, 0.5.ltoreq.d.ltoreq.10, 0.ltoreq.e.ltoreq.10, 0.ltoreq.f.ltoreq.15, 0.ltoreq.g.ltoreq.1, 0.ltoreq.h.ltoreq.2 and x is the quantity of oxygen bonded to the other elements and depends on their oxidation states, is used in the manufacture of acrolein by oxidizing propylene, the solid composition reacting with propylene according to the redox reaction (1):solid.sub.oxidized +propylene.fwdarw.solid.sub.reduced +acrolein(I)To manufacture acrolein, gaseous propylene is passed over a solid composition of formula (I), to conduct the redox reaction (1) by operating at a temperature of 200 to 600.degree. C., at a pressure of 1.01.times.10.sup.4 to 1.01 to 10.sup.6 Pa (0.1 to 10 atmospheres) and with a residence time of 0.01 second to 90 seconds, in the absence of molecular oxygen.

    摘要翻译： 式（I）的混合氧化物固体组合物：Mo12WaBibFecCodNieSifKgSnhOx（I）其中O 固体还原+丙烯醛（I ）为了制备丙烯醛，气态丙烯通过式（I）的固体组合物，通过在200至600℃的温度下操作，在1.01×10 4至1​​.01至106的压力下进行氧化还原反应（1） Pa（0.1〜10个大气压），停留时间为0.01秒〜90秒，不存在分子氧。

    Process for the preparation of 1,1,1,2-tetrafluoroethane
    5.
    发明授权
    Process for the preparation of 1,1,1,2-tetrafluoroethane 失效
    1,1,1,2-四氟乙烷的制备方法

    公开(公告)号：US5600039A

    公开(公告)日：1997-02-04

    申请号：US363553

    申请日：1994-12-23

    申请人： Jean-Michel Galland ,  Emmanuel Guiraud ,  Jean-Pierre Schirmann

    发明人： Jean-Michel Galland ,  Emmanuel Guiraud ,  Jean-Pierre Schirmann

    IPC分类号： B01J23/26 ,  B01J27/053 ,  C07B61/00 ,  C07C17/20 ,  C07C19/08 ,  C07C17/08

    CPC分类号： C07C17/206 ,  Y02P20/582

    摘要： The subject of the invention is a continuous process for the preparation of 1,1,1,2-tetrafluoroethane (134a) from 2-chloro-1,1,1-trifluoroethane (133a) and hydrofluoric acid in the gaseous phase in the presence of a chromium-based catalysts.According to the invention, the flow of gas leaving the reactor is subjected to a distillation in order to separate at the top a flow containing almost all the HC1 and at least 90% of the 134a produced by the reaction and at the bottom a flow containing at least 90% of the unconverted reactants (133a and HF), and the latter flow is recycled directly to the reactor, without any purifying operation.

    摘要翻译： 本发明的主题是在2-氯-1,1,1-三氟乙烷（133a）中制备1,1,1,2-四氟乙烷（134a）和在气相中的氢氟酸的连续方法 的铬基催化剂。 根据本发明，离开反应器的气体流被进行蒸馏，以在顶部分离含有几乎所有的HC1和至少90％的通过反应产生的134a的流，并且在底部分离含有 至少90％的未转化的反应物（133a和HF），后者的流体直接再循环到反应器中，而无需任何净化操作。

    Process for the preparation of epsilon-caprolactone
    6.
    发明授权
    Process for the preparation of epsilon-caprolactone 失效
    制备ε-己内酯的方法

    公开(公告)号：US4994583A

    公开(公告)日：1991-02-19

    申请号：US377806

    申请日：1989-07-12

    申请人： Michele Pralus ,  Jean-Claude Lecoq ,  Jean-Pierre Schirmann

    发明人： Michele Pralus ,  Jean-Claude Lecoq ,  Jean-Pierre Schirmann

    IPC分类号： C07D313/04 ,  B01J21/02 ,  C07B61/00 ,  C07D315/00

    CPC分类号： C07D315/00 ,  Y02P20/582

    摘要： Process for manufacturing .SIGMA.- caprolactone by oxidation of cyclohexanone by means of a crude C.sub.2 -C.sub.4 percarboxylic acid solution, resulting from the reaction of hydrogen peroxide on the corresponding carboxylic acid in the presence of a weak acid catalyst, with continuous elimination of water by azeotropic entrainment, characterized in that the molar ratio of cyclohexanone used to the percarboxylic acid is between about 0.50 to 0.99.

    摘要翻译： 通过在弱酸催化剂存在下由过氧化氢在相应的羧酸上反应产生的粗C2-C4过羧酸溶液来环己酮的氧化制备SIGMA-己内酯的方法，通过共沸连续消除水 夹带，其特征在于使用的环己酮与过羧酸的摩尔比为约0.50至0.99。

    Process for the preparation of percarboxylic acids
    7.
    发明授权
    Process for the preparation of percarboxylic acids 失效
    过羧酸的制备方法

    公开(公告)号：US4459240A

    公开(公告)日：1984-07-10

    申请号：US450002

    申请日：1982-12-15

    申请人： Michele Pralus ,  Jean-Claude Lecoq ,  Jean-Pierre Schirmann

    发明人： Michele Pralus ,  Jean-Claude Lecoq ,  Jean-Pierre Schirmann

    IPC分类号： C07C409/10 ,  B01J21/02 ,  B01J27/02 ,  C07B61/00 ,  C07C67/00 ,  C07C407/00 ,  C07C409/24 ,  C07C409/26 ,  C07C179/10

    CPC分类号： C07C407/00 ,  C07C407/003

    摘要： Process of preparing substantially anhydrous solutions of percarboxylic acids which comprises reacting hydrogen peroxide contained in an aqueous solution with a water miscible carboxylic acid in the presence of a catalyst and an azeotropic organic solvent, continuously removing the water added with the hydrogen peroxide and formed during the reaction by azeotropic distillation by way of a distillation column, and continuously injecting water into the top of the distillation column during at least the major portion of the reaction time, the quantity of the injected water being less than the quantity of the water removed by azeotrope distillation.

    摘要翻译： 制备基本上无水的过羧酸溶液的方法，其包括在催化剂和共沸有机溶剂的存在下使包含在水溶液中的过氧化氢与水混溶性羧酸反应，连续除去加入过氧化氢并在 通过蒸馏塔进行共沸蒸馏反应，并在反应时间的至少大部分期间将水连续注入蒸馏塔的顶部，注入的水的量小于通过共沸物除去的水量 蒸馏。

    Process for the preparation of hydrazones
    9.
    发明授权
    Process for the preparation of hydrazones 失效
    制备腙的方法

    公开(公告)号：US3943132A

    公开(公告)日：1976-03-09

    申请号：US406467

    申请日：1973-10-15

    申请人： Jean-Pierre Schirmann ,  Henri Mathais ,  Pierre Tellier ,  Francis Weiss

    发明人： Jean-Pierre Schirmann ,  Henri Mathais ,  Pierre Tellier ,  Francis Weiss

    IPC分类号： C07D213/77 ,  C07B43/00 ,  C07C20060101 ,  C07C67/00 ,  C07C241/00 ,  C07C251/76 ,  C07C251/82 ,  C07C251/84 ,  C07C251/86 ,  C07D20060101 ,  C07C109/14 ,  C07C109/16 ,  C07C109/18

    CPC分类号： C07C249/16 ,  C07C251/76 ,  C07C251/84

    摘要： This invention relates to a method of preparing hydrazones of the formula ##EQU1## in which R.sub.1 and R.sub.2, which may be identical or different, represent a linear alkyl radical of from 1 to 12 carbon atoms, a branched alkyl or cycloalkyl radical of from 3 to 12 carbon atoms, an aromatic radical of from 6 to 12 carbon atoms having a benzene or naphthalene nucleus, or a radical of from 5 to 12 carbon atoms having a pyridine nucleus, or R.sub.1 and R.sub.2 together form a linear or branched alkylene radical of from 3 to 12 carbon atoms in which one of the carbon atoms of the chain may be replaced by an oxygen atom, all of the above radicals being unsubstituted or substituted by one or more atoms or groups such as chlorine, bromine, fluorine, or iodine atoms or hydroxy, ether, carboxylic acid, carboxylic amide or ester, nitrile, nitro, or sulphonic acid or amide groups, or one of the two radicals R.sub.1 and R.sub.2 may be a hydrogen atom, and in which R.sub.3 and R.sub.4, which may be identical or different, represent a hydrogen atom, a linear alkyl or cycloalkyl radical of from 3 to 12 carbon atoms, in which one of the carbon atoms of the cycloalkyl radical may be replaced by an oxygen atom, or an aromatic hydrocarbon radical of from 6 to 12 carbon atoms or R.sub.3 and R.sub.4 together represent a linear or branched alkylene radical of from 3 to 11 carbon atoms, the above radicals being unsubstituted or substituted by atoms or groups such as chlorine, bromine, fluorine, ethylenic groups, nitro, hydroxy, alkoxy, or carboxylic acid or ester radicals , which comprises reacting a primary or secondary amine of the formulaWherein R.sub.1 and R.sub.2 are as defined above, ammonia, and a carbonyl compound of the formulaWherein R.sub.3 and R.sub.4 are as defined above, with a peroxide compound.

    摘要翻译： 本发明涉及制备式R 1 R 3 ANGLE NN = C ANGLE（I）R 2 R 4的腙的方法，其中可以相同或不同的R 1和R 2表示1至12个碳原子的直链烷基，支链 具有3至12个碳原子的烷基或环烷基，具有苯或萘核的6至12个碳原子的芳族基团或具有吡啶核的5至12个碳原子的基团，或者R 1和R 2一起形成 具有3至12个碳原子的直链或支链亚烷基，其中链中的一个碳原子可以被氧原子代替，所有上述基团都是未取代的或被一个或多个原子或基团取代，例如氯 ，溴，氟或碘原子或羟基，醚，羧酸，羧酰胺或酯，腈，硝基或磺酸或酰胺基，或两个基团R 1和R 2之一可以是氢原子，其中 R3和R4可以相同或相同 不同的是氢原子，具有3-12个碳原子的直链烷基或环烷基，其中环烷基的一个碳原子可以被氧原子取代，或6-12的芳族烃基 碳原子或R3和R4一起表示具有3至11个碳原子的直链或支链亚烷基，上述基团是未取代的或被诸如氯，溴，氟，烯基，硝基，羟基，烷氧基， 或羧酸或酯基，其包括使式WHEREIN R 1和R 2如上所定义的伯胺或仲胺与氨过氧化合物与式WHEREIN R 3和R 4如上定义的羰基化合物反应。

    Method for making 2,2,4,4,-tetramethyl-3-pentanone oxime and hydroxylammonium salts
    10.
    发明授权
    Method for making 2,2,4,4,-tetramethyl-3-pentanone oxime and hydroxylammonium salts 失效
    制备2,2,4,4-四甲基-3-戊酮肟和羟基铵盐的方法

    公开(公告)号：US07164042B2

    公开(公告)日：2007-01-16

    申请号：US10479167

    申请日：2002-05-22

    申请人： Jean-Pierre Schirmann

    发明人： Jean-Pierre Schirmann

    IPC分类号： C07C249/00

    CPC分类号： C07C249/04 ,  C01B21/1454 ,  C07C251/38

    摘要： The invention concerns a production method which consists in forming a reaction medium containing 2,2,4,4,-tetramethyl-3-pentanone, hydrogen peroxide, ammonia and a zeolitic structure catalyst and allowing the reaction to obtain said oxime. 2,2,4,4,-tetramethyl-3-pentanone and hydrogen peroxide can be obtained by auto-oxidation of 2,2,4,4,-tetramethyl-3-pentanol with oxygen or air. Hydroxylammonium salts are obtained by acid hydrolysis of said oxime.

    摘要翻译： 本发明涉及一种制备方法，其包括形成含有2,2,4,4-四甲基-3-戊酮，过氧化氢，氨和沸石结构催化剂的反应介质，并使反应获得所述肟。 2,2,4,4-四甲基-3-戊酮和过氧化氢可以通过用氧或空气自动氧化2,2,4,4， - 四甲基-3-戊醇来获得。 羟基铵盐通过所述肟的酸水解获得。