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    • 1. 发明授权
    • Method for producing hexanediol
    • 己二醇的制备方法
    • US06727395B1
    • 2004-04-27
    • US10018338
    • 2001-12-19
    • Frank SteinThomas KrugThomas NöbelHarald Rust
    • Frank SteinThomas KrugThomas NöbelHarald Rust
    • C07C2700
    • C07C29/149C07C31/20
    • A process for preparing 1,6-hexanediol from a carboxylic acid mixture comprising adipic acid, 6-hydroxycaproic acid and small amounts of 1,4-cyclohexanediols which is obtained as by-product in the oxidation of cyclohexane to cyclohexanone/cyclohexanol after water extraction of the reaction mixture followed by extraction with aqueous sodium hydroxide solution, by esterification of the acids and hydrogenation comprises a) liberating the carboxylic acids from the alkaline extract by addition of a mineral acid, b) fractionating the organic phase comprising carboxylic acids to give a distillate comprising the low molecular weight monocarboxylic acids and a residue comprising adipic acid and 6-hydroxycaproic acid, c) reacting the monocarboxylic an dicarboxylic acids present in the aqueous dicarboxylic acid mixture with a low molecular weight alcohol to give the corresponding carboxylic esters, d) freeing the esterification mixture obtained of excess alcohol and low boilers in a first distillation step, e) fractionating the bottom product in a second distillation step to give an ester fraction essentially free of 1,4-cyclohexanediols and a fraction comprising at least the major part of the 1,4-cyclohexanediols, f) catalytically hydrogenating the ester fraction which is essentially free of 1,4-cyclohexanediols and g) isolating 1,6-hexanediol from the hydrogenation product in a manner known per se in a final distillation step.
    • 从包含己二酸,6-羟基己酸和少量1,4-环己二醇的羧酸混合物制备1,6-己二醇的方法,其在水提取后在环己烷氧化成环己酮/环己醇时作为副产物获得 的反应混合物,然后用氢氧化钠水溶液萃取,通过酸的酯化和氢化反应,包括a)通过加入无机酸从碱性提取物中释放出羧酸,b)将包含羧酸的有机相分馏得到馏出物 包括低分子量单羧酸和包含己二酸和6-羟基己酸的残基,c)使一元羧酸与二羧酸混合物中存在的二羧酸与低分子量醇反应,得到相应的羧酸酯,d)释放 在第一馏出物中获得过量酒精和低锅炉的酯化混合物 e步骤,e)在第二蒸馏步骤中分馏底部产物,得到基本上不含1,4-环己烷二醇的酯馏分和至少包含大部分1,4-环己烷二醇的馏分,f)催化氢化酯 基本上不含1,4-环己烷二醇的馏分,和g)在最终蒸馏步骤中以本身已知的方式从氢化产物中分离出1,6-己二醇。
    • 2. 发明授权
    • Method and device for the distillative processing of 1,6-hexanediol, 1,5-pentanediol and caprolactone
    • 1,6-己二醇,1,5-戊二醇和己内酯的蒸馏加工方法和装置
    • US07329330B2
    • 2008-02-12
    • US10451738
    • 2002-01-08
    • Martin GallGerd KaibelThomas KrugHarald RustFrank Stein
    • Martin GallGerd KaibelThomas KrugHarald RustFrank Stein
    • B01D3/14B01D3/42C07C29/80
    • C07D315/00B01D3/14B01D3/141C07C29/80Y10S203/20C07C31/26C07C31/20
    • A process for working up by distillation the crude products obtained in the process according to DE-A 196 07 954 and containing 1,6-hexanediol (HDO), 1,5-pentanediol (PDO) or caprolactone (CLO) in order to obtain the corresponding pure products, the working-up by distillation being carried out in each case in a dividing wall column (TK) in which a dividing wall (T) is arranged in the longitudinal direction of the column with formation of an upper common column region (1), a lower common column region (6), a feed section (2, 4) having a rectification section (2) and stripping section (4), and a take-off section (3, 5) having a stripping section (3) and rectification section (5), with feeding of the respective crude product HDO, PLO or CLO in the middle region of the feed section (2, 4) and removal of the high boiler fraction (C) from the bottom of the column, of the low boiler fraction (A) via the top of the column and of the medium boiler fraction (B) from the middle region of the take-off section (3, 5), or in thermally coupled columns.
    • 通过蒸馏处理根据DE-A 196 07954的方法获得的含有1,6-己二醇(HDO),1,5-戊二醇(PDO)或己内酯(CLO)的粗产物的方法,以获得 相应的纯产品,在各种情况下在分隔壁塔(TK)中进行蒸馏处理,其中分隔壁(T)沿塔的纵向方向排列,形成上共同区域 (1),较低的公共列区域(6),具有整流部分(2)和汽提部分(4)的进料部分(2,4)和具有汽提部分的取出部分(3,5) (3)和整流部分(5),在进料部分(2,4)的中间区域供给相应的粗产物HDO,PLO或CLO,并将高沸点馏分(C)从底部 通过塔顶和中间锅炉馏分(B)从中间排出低沸点馏分(A) 起飞段(3,5)的区域,或热耦合柱。
    • 3. 发明授权
    • Method for producing hexanediol-1,6
    • 己二醇-1,6-
    • US06288286B1
    • 2001-09-11
    • US09700366
    • 2000-11-15
    • Frank SteinThomas KrugMartin GallGabriele Iffland
    • Frank SteinThomas KrugMartin GallGabriele Iffland
    • C07C2700
    • C07C29/149C07C2601/14C07C31/20C07C35/08
    • A process for preparing 1,6-hexanediol from a carboxylic acid mixture obtained as by-product in the oxidation of cyclohexane to cyclohexanone/cyclohexanol with oxygen or oxygen-comprising gases and by aqueous extraction of the reaction mixture and comprising adipic acid, 6-hydroxycaproic acid and small amounts of 1,4-cyclohexanediols by esterification of the acids and hydrogenation, by a) reacting the mono- and dicarboxylic acids in the aqueous dicarboxylic acid mixture with a low molecular weight alcohol to form the corresponding carboxylic esters, b) conducting a first distillation to remove excess alcohol and low boilers from the esterification mixture obtained, c) conducting a second distillation to separate the bottom product into an ester fraction which is essentially free from 1,4-cyclohexanediols and a fraction which includes at least the larger proportion of the 1,4-cyclohexanediols, d) subjecting the ester fraction essentially free from 1,4-cyclohexanediols to a catalytic hydrogenation, and e) subjecting the hydrogenation effluent to a distillation to recover 1,6-hexanediol in a conventional manner, comprises using an aqueous dicarboxylic acid mixture comprising more than 20 ppm of cobalt and more than 40 ppm of phosphorus in the form of phosphate and passing this aqueous dicarboxylic acid mixture through a cation exchanger and after the esterification of step (a) through an anion exchanger.
    • 从环己烷氧化成环己酮/环己醇与氧气或含氧气体的副产物得到的羧酸混合物中制备1,6-己二醇的方法,并通过水提取反应混合物,并包含己二酸,6- 羟基己酸和少量的1,4-环己烷二醇通过酸的酯化和氢化,a)使二羧酸二羧酸混合物与低分子量醇反应形成相应的羧酸酯,b)导电 从所得到的酯化混合物中除去多余的醇和低沸点物的第一次蒸馏,c)进行第二次蒸馏以将底部产物分离成基本上不含1,4-环己烷二醇的酯馏分和至少包括较大的 1,4-环己烷二醇的比例,d)将基本上不含1,4-环己烷二醇的酯馏分进行催化水解 国家和地区)使氢化流出物以常规方式进行蒸馏以回收1,6-己二醇,包括使用包含大于20ppm钴的多余二羧酸混合物和大于40ppm磷酸盐形式的磷, 使该含水二羧酸混合物通过阳离子交换剂,并且在步骤(a)通过阴离子交换剂酯化之后。
    • 9. 发明申请
    • METHOD FOR PRODUCING ETHYLENE AMINES AND ETHANOL AMINES BY THE HYDROGENATING AMINATION OF MONOETHYLENE GLYCOL AND AMMONIA IN THE PRESENCE OF A CATALYST
    • 通过催化剂存在下单乙基甘氨酸和氨基甲酸的加氢胺化生产乙烯胺和乙醇胺的方法
    • US20090030237A1
    • 2009-01-29
    • US12279215
    • 2007-02-08
    • Gunther van CauwenbergeJohann-Peter MelderBram Willem HofferThomas KrugKarin PickenaeckerFrank-Friedrich PapeEkkehard Schwab
    • Gunther van CauwenbergeJohann-Peter MelderBram Willem HofferThomas KrugKarin PickenaeckerFrank-Friedrich PapeEkkehard Schwab
    • C07C209/14
    • C07C209/16C07C211/10C07C211/14
    • A process for preparing ethylene amines and ethanolamines by hydrogenative amination of monoethylene glycol and ammonia in the presence of a catalyst, wherein a catalyst having an active composition comprising ruthenium and cobalt and no further additional metal of group VIII and also no metal of group IB is used in the form of shaped catalyst bodies which in the case of a spherical shape or rod shape in each case have a diameter of
    • 一种在催化剂存在下通过单乙酰胺和氨的氢化胺化制备乙烯胺和乙醇胺的方法,其中具有包含钌和钴的活性组合物以及没有另外的另外的第VIII族金属以及也没有IB族金属的催化剂是 使用成形催化剂体的形式,在球形或棒状的情况下,每种情况具有<3mm的直径,在颗粒形状的情况下具有<3mm的高度,并且在全部情况下 每种情况下的其他几何形状具有等效直径L = 1 / a'<0.70mm,其中a'是每单位体积的外表面积(mms2 / mmp3),并且: a ' = 其中Ap是成形催化剂体的外表面面积(mms2),Vp是(mms2),其中Ap是成形催化剂体的外表面积(mms2),Vp是 提出了成形催化剂体的体积(mmp3)。