公开(公告)号：US4301092A

公开(公告)日：1981-11-17

申请号：US85104

申请日：1979-10-15

申请人： Andre Acloque ,  Jean-Claude Lanet ,  Yves Correia

发明人： Andre Acloque ,  Jean-Claude Lanet ,  Yves Correia

IPC分类号： C07C55/36 ,  B01J19/12 ,  B01J31/00 ,  C07C51/00 ,  C07C51/58 ,  C07C67/00

CPC分类号： C07C51/58

摘要： Oxalyl chloride is prepared by (i) first esterifying ethylene glycol with trichloroacetyl chloride, (ii) next photochemically chlorinating the ester which results from the step (i), i.e., ethylene glycol bis-trichloroacetate, and (iii) then decomposing the tetrachloroethylene glycol bis-trichloroacetate thus formed into the desired oxalyl chloride and trichloroacetyl chloride, said steps (i) and (iii) being conducted in the absence of any reaction solvent, other than the trichloroacetyl chloride, and the chlorination step (ii) being conducted at a temperature of from about 50.degree. to 200.degree. C.

摘要翻译： 通过（i）首先用三氯乙酰氯酯化乙二醇来制备草酰氯，（ii）接下来光学氯化由步骤（i）得到的酯，即二乙二醇二乙酸酯，和（iii）然后分解四氯乙二醇 由此形成所需草酰氯和三氯乙酰氯的双三氯乙酸酯，所述步骤（i）和（iii）在除三氯乙酰氯之外不存在任何反应溶剂的情况下进行，并且氯化步骤（ii）在 温度为约50℃至200℃

公开(公告)号：US3947508A

公开(公告)日：1976-03-30

申请号：US476051

申请日：1974-06-03

申请人： Yves Correia ,  Jean-Claude Lanet

发明人： Yves Correia ,  Jean-Claude Lanet

IPC分类号： C07C17/386 ,  C07C17/00 ,  C07C17/38 ,  C07C21/06 ,  C07C67/00 ,  C07C19/00 ,  C07C21/00

CPC分类号： C07C17/38

摘要： Process for removing hydrochloric acid and other impurities which are contained in vinyl chloride monomer, by treatment in a distillation zone, comprising the addition to crude vinyl chloride, in the course of distillation thereof, of at least one alcohol selected from the group of C.sub.4 to C.sub.10 tertiary aliphatic alcohols and C.sub.3 to C.sub.10 primary or secondary alcohols with unsaturation in the alpha position, and rectifying the vinyl chloride monomer from the resulting mixture.

摘要翻译： 通过在蒸馏区中处理除去氯乙烯单体中所含的盐酸和其它杂质的方法，包括在蒸馏过程中向粗氯乙烯中加入至少一种选自C4至 C10叔脂族醇和在α位置具有不饱和键的C3至C10伯或仲醇，并从所得混合物中精馏氯乙烯单体。

公开(公告)号：US5475135A

公开(公告)日：1995-12-12

申请号：US264878

申请日：1994-06-24

申请人： Yves Correia ,  Dominique Jourdain ,  Joseph Nowocien ,  Alexandre Salerno

发明人： Yves Correia ,  Dominique Jourdain ,  Joseph Nowocien ,  Alexandre Salerno

IPC分类号： B01J23/40 ,  B01J23/44 ,  B01J35/00 ,  B01J37/04 ,  C07B61/00 ,  C07C51/377 ,  C07C51/487 ,  C07C53/04 ,  C07C53/15 ,  C07C53/16

CPC分类号： C07C51/377 ,  B01J23/44 ,  B01J35/00 ,  B01J37/04 ,  Y02P20/584

摘要： The invention relates to a catalyst comprising a rare metal of Group VIII of the Periodic Table of Elements which has been deposited on an inert support and which has been used to dehalogenate .alpha.-halogenated carboxylic acids in the presence of hydrogen, and a rare metal of Group VIII of the Periodic Table of Elements which has been deposited on an inert support and which is such that the granulometry of b) is very much lower than that of a) to form a homogeneous mixture as a result of the action of currents of .alpha.-halogenated carboxylic acid and hydrogen wherein said invention is particularly useful for regenerating palladium catalyst used in the purification of crude monochloroacetic acid.

摘要翻译： 本发明涉及一种催化剂，其包含元素周期表第VIII族的稀有金属，其已经沉积在惰性载体上并已用于在氢气存在下使α-卤代羧酸脱卤，以及稀有金属 已经沉积在惰性载体上的元素周期表第VIII族，其使得b）的粒度非常低于a），由于α的电流的作用而形成均匀的混合物 - 卤代羧酸和氢，其中所述发明特别可用于再生用于纯化一氯乙酸的钯催化剂。

公开(公告)号：US5466650A

公开(公告)日：1995-11-14

申请号：US300247

申请日：1994-09-02

申请人： Yves Correia

发明人： Yves Correia

IPC分类号： B01J21/18 ,  B01J23/40 ,  B01J23/44 ,  C07B61/00 ,  C07C51/347 ,  C07C51/377 ,  C07C53/00 ,  C07C53/08 ,  C07C53/15 ,  C07C53/16

CPC分类号： B01J23/44 ,  B01J21/18 ,  B01J23/40 ,  C07C51/377

摘要： The invention relates to a catalyst formed of an active charcoal support in the form of particles or of cylinders having a diameter from 0.3 to 1.5 mm and a length of 0.3 to 5 mm or spheres having a diameter from 0.3 to 2 mm, the said particles being loaded with a precious metal from group 8. Advantageously, palladium on active charcoal is used.The invention is particularly useful for purifying monochloroacetic acid.

公开(公告)号：US4148832A

公开(公告)日：1979-04-10

申请号：US318991

申请日：1972-12-27

申请人： Yves Correia

发明人： Yves Correia

IPC分类号： C07C17/10 ,  C07C17/00

CPC分类号： C07C17/10

摘要： A continuous process for chlorination of 1,1,1-trichloroethane alone or in admixture with other aliphatic chlorinated C.sub.1 to C.sub.4 hydrocarbons in a liquid phase reaction with molecular chlorine in the presence of a catalyst selected from the group consisting of ferric chloride, iron oxychloride and mixtures thereof in the absence of light radiations wherein the reaction may be carried out in a single reaction zone at a temperature within the range of 35.degree.-120.degree. C. or in a series of reaction zones in which the effluent from the first reaction zone is introduced into the second reaction zone along with additional chlorine and unsaturated chlorinated hydrocarbon with the temperature in the second reaction zone being less by at least 5.degree. than the temperature in the initial reaction zone.

摘要翻译： 在选自氯化铁，三氯氧化铁的催化剂存在下，单独或与其它脂族氯化C1-C4烃类物质在分子氯的液相反应中氯化的连续方法 以及它们在不存在光辐射的情况下的混合物，其中反应可以在单一反应区域中在35-120℃的温度范围内进行，或者在一系列反应区域中，其中来自第一反应 区域与附加的氯和不饱和氯化烃一起引入第二反应区，第二反应区的温度比初始反应区的温度低至少5℃。

公开(公告)号：US4010215A

公开(公告)日：1977-03-01

申请号：US011118

申请日：1970-02-13

申请人： Rene Clair ,  Yves Correia

发明人： Rene Clair ,  Yves Correia

IPC分类号： B01J19/00 ,  B01J27/00 ,  C07B61/00 ,  C07C17/00 ,  C07C17/25 ,  C07C21/10 ,  C07C67/00 ,  C07C21/00

CPC分类号： C07C17/25

摘要： The process of preparing trichloroethylene from 1,1,1,2-tetrachloroethane by decomposition of the tetrachloroethane under a pressure within the range of 1.5 to 10 bars and at a temperature within the range of 135.degree. to 250.degree. C and the treatment of the effluent from the reaction zone for recovery of components thereof.

摘要翻译： 通过四氯乙烷在1.5至10巴的压力和135至250℃范围内的压力下分解制备三氯乙烯的过程，并处理 来自反应区的流出物用于回收其组分。

公开(公告)号：US5414116A

公开(公告)日：1995-05-09

申请号：US20944

申请日：1993-02-19

申请人： Yves Correia

发明人： Yves Correia

IPC分类号： B01J21/18 ,  B01J23/40 ,  B01J23/44 ,  C07B61/00 ,  C07C51/347 ,  C07C51/377 ,  C07C53/00 ,  C07C53/08 ,  C07C53/15 ,  C07C53/16 ,  C07B53/00

CPC分类号： B01J23/44 ,  B01J21/18 ,  B01J23/40 ,  C07C51/377

摘要： The invention relates to a catalyst formed of an active charcoal support in the form of particles or of cylinders having a diameter from 0.3 to 1.5 mm and a length of 0.3 to 5 mm or spheres having a diameter from 0.3 to 2 mm, the said particles being loaded with a precious metal from group 8. Advantageously, palladium on active charcoal is used.The invention is particularly useful for purifying monochloroacetic acid.

摘要翻译： 本发明涉及一种由活性炭载体形成的催化剂，该活性炭载体为直径为0.3至1.5毫米，长度为0.3至5毫米的直径为0.3至2毫米的颗粒或圆柱体形式， 装载有第8组的贵金属。有利的是使用活性炭上的钯。 本发明特别可用于纯化一氯乙酸。

公开(公告)号：US5356850A

公开(公告)日：1994-10-18

申请号：US961809

申请日：1992-10-16

申请人： Yves Correia ,  Dominique Jourdain ,  Joseph Nowocien ,  Alexandre Salerno

发明人： Yves Correia ,  Dominique Jourdain ,  Joseph Nowocien ,  Alexandre Salerno

IPC分类号： B01J23/40 ,  B01J23/44 ,  B01J35/00 ,  B01J37/04 ,  C07B61/00 ,  C07C51/377 ,  C07C51/487 ,  C07C53/04 ,  C07C53/15 ,  C07C53/16 ,  B01J21/18 ,  B01J21/06 ,  B01J23/41

CPC分类号： C07C51/377 ,  B01J23/44 ,  B01J35/00 ,  B01J37/04 ,  Y02P20/584

摘要： The invention relates to a catalyst comprising a rare metal of Group VIII of the Periodic Table of Elements which has been deposited on an inert support and which has been used to dehalogenate .alpha.-halogenated carboxylic acids in the presence of hydrogen, and a rare metal of Group VIII of the Periodic Table of Elements which has been deposited on an inert support and which is such that the granulometry of b) is very much lower than that of a) to form a homogeneous mixture as a result of the action of currents of .alpha.-halogenated carboxylic acid and hydrogen.It is particularly useful for regenerating palladium catalysts used in the purification of crude monochloroacetic acid.

摘要翻译： 本发明涉及一种催化剂，其包含元素周期表第VIII族的稀有金属，其已经沉积在惰性载体上并已用于在氢气存在下使α-卤代羧酸脱卤，以及稀有金属 已经沉积在惰性载体上的元素周期表第VIII族，其使得b）的粒度非常低于a），由于α的电流的作用而形成均匀的混合物 - 卤代羧酸和氢。 对用于纯化一氯乙酸粗品的钯催化剂的再生特别有用。

公开(公告)号：US5097081A

公开(公告)日：1992-03-17

申请号：US695020

申请日：1991-05-03

申请人： Yves Correia ,  Joseph Nowocien

发明人： Yves Correia ,  Joseph Nowocien

IPC分类号： B01J23/40 ,  B01J23/48 ,  B01J23/72 ,  C07B61/00 ,  C07C1/26 ,  C07C17/00 ,  C07C17/25 ,  C07C19/04 ,  C07C19/041

CPC分类号： C07C1/26 ,  C07C17/23 ,  C07C2521/04 ,  C07C2521/06 ,  C07C2523/42

摘要： The highly chlorinated methanes, e.g., carbon tetrachloride, are improvedly dechlorinated by reacting same with hydrogen in the presence of oxygen or an oxygen-containing gas, e.g., air, and a catalytically effective amount of a metal of the copper or precious metal Groups of the Periodic Table, typically in the form of a fixed or fluidized bed thereof, and advantageously in the gaseous phase.

摘要翻译： 高氯化甲烷（例如四氯化碳）通过在氧或含氧气体（例如空气）和催化有效量的铜或贵金属的金属存在下与氢反应而被改进地脱氯 周期表，通常为固定或流化床的形式，有利地为气相。

公开(公告)号：US4018880A

公开(公告)日：1977-04-19

申请号：US526747

申请日：1974-11-25

申请人： Yves Correia ,  Jean Lesparre

发明人： Yves Correia ,  Jean Lesparre

IPC分类号： C01B7/01 ,  C01B7/07 ,  C01B7/08

CPC分类号： C01B7/0725

摘要： The invention concerns a method of purifying hydrogen chloride gas containing small quantities of chlorine. The purifying method comprises passing impure hydrogen chloride over carbon, at a temperature from 30.degree. to 200.degree. C, in the presence of at least one olefin, possibly containing chlorine. The method of the invention applies particularly to the hydrogen chloride obtained from a chloroethane cracking operation initiated by chlorine.

摘要翻译： 本发明涉及一种净化含少量氯的氯化氢气体的方法。 净化方法包括在至少一种可能含有氯的烯烃存在下，将不纯的氯化氢在30℃至200℃的温度下通过碳。 本发明的方法特别适用于由氯引发的氯乙烷裂解操作得到的氯化氢。