公开(公告)号：US4778669A

公开(公告)日：1988-10-18

申请号：US5700

申请日：1987-01-22

Applicant: Hugo Fuchs ,  Franz-Josef Weiss ,  Erwin Thomas ,  Josef Ritz

Inventor： Hugo Fuchs ,  Franz-Josef Weiss ,  Erwin Thomas ,  Josef Ritz

IPC: C01B21/14

CPC classification number: C01B21/1445

Abstract: Aqueous solutions of free hydroxylamine are prepared by a process in which(a) hydroxylammonium sulfate is reacted with ammonia in a lower alkanol as solvent, and a solution of free hydroxylamine and solid ammonium sulfate with residues of hydroxylammonium sulfate is obtained,(b) solid ammonium sulfate and hydroxylammonium sulfate are separated off from the resulting reaction mixture, and an alcoholic solution of free hydroxylamine is obtained as the filtrate,(c) a stabilizer and water are added to the resulting alcoholic solution of free hydroxylamine, and(d) the alkanol is distilled off from the alcoholic solution containing free hydroxylamine, the stabilizer and water.

Abstract translation: 通过以下方法制备游离羟胺的水溶液：（a）硫羟酸铵与氨在低级烷醇作为溶剂中反应，得到游离羟胺和固体硫酸铵与硫酸氢铵残基的溶液，（b）固体 从得到的反应混合物中分离出硫酸铵和硫酸氢氧化铵，得到游离羟胺的醇溶液作为滤液，（c）向得到的游离羟胺的醇溶液中加入稳定剂和水，（d） 从含有游离羟胺，稳定剂和水的醇溶液中蒸馏出链烷醇。

公开(公告)号：US4350630A

公开(公告)日：1982-09-21

申请号：US276815

申请日：1981-06-25

Applicant: Hugo Fuchs ,  Uwe Brand ,  Ernst Deuker ,  Elmar Frommer

Inventor： Hugo Fuchs ,  Uwe Brand ,  Ernst Deuker ,  Elmar Frommer

IPC: C07D201/16

CPC classification number: C07D201/16

Abstract: In a process for continuously extracting caprolactam from an aqueous solution, containing caprolactam and its oligomers, with organic solvents, by introducing the aqueous solution into the upper part of an extraction zone and organic solvents into the lower part, and taking off a solution of caprolactam in organic solvents at the upper end and an aqueous phase containing caprolactam oligomers at the lower end, the improvement that liquid aromatic hydrocarbons are used and the extraction is carried out at a pH of from 2.0 to 6.0.

Abstract translation: 在从有机溶剂中含有己内酰胺及其低聚物的水溶液中连续提取己内酰胺的方法中，通过将水溶液引入提取区的上部，将有机溶剂引入下部，并将己内酰胺 在上端的有机溶剂和下端含有己内酰胺低聚物的水相中，使用液态芳烃的改进，并且在2.0至6.0的pH下进行萃取。

公开(公告)号：US4248781A

公开(公告)日：1981-02-03

申请号：US78028

申请日：1979-09-24

Applicant: Peter Horn ,  Hugo Fuchs

Inventor： Peter Horn ,  Hugo Fuchs

IPC: C07D201/16

CPC classification number: C07D201/16

Abstract: A process for purifying crude caprolactam which has been obtained by rearrangement of cyclohexanone-oxime in the gas phase over a catalyst containing boron trioxide, wherein caprolactam is crystallized out, by cooling, from a melt which contains, per 100 parts by weight of crude caprolactam, from 5 to 30 parts by weight of primary alkanols or fatty acids which have a carbon chain of 6 to 10 carbon atoms and are substituted by alkyl radicals of 1 to 5 carbon atoms, and from 0 to 5 parts by weight of water, and is separated from the mother liquor.

Abstract translation: 一种纯化己内酰胺纯化方法，该方法是通过在含有三氧化硼的催化剂上，在气相中重排环己酮 - 肟而得到的，其中己内酰胺通过冷却从含有每100份重量的己内酰胺 ，5〜30重量份具有碳原子数为6〜10个碳原子并且被1〜5个碳原子的烷基取代的伯烷醇或脂肪酸，0〜5重量份的水，以及 与母液分离。

公开(公告)号：US4178317A

公开(公告)日：1979-12-11

申请号：US907678

申请日：1978-05-19

Applicant: Peter Horn ,  Otto-Alfred Grosskinsky ,  Hugo Fuchs

Inventor： Peter Horn ,  Otto-Alfred Grosskinsky ,  Hugo Fuchs

IPC: C07C1/20 ,  B01J23/00 ,  B01J27/00 ,  C07B61/00 ,  C07C1/00 ,  C07C1/207 ,  C07C1/213 ,  C07C11/02 ,  C07C67/00 ,  C07C3/00

CPC classification number: C07C1/213 ,  C07C1/2078 ,  C07C2101/10 ,  C07C2101/16 ,  C07C2521/02 ,  C07C2521/04 ,  C07C2521/06 ,  C07C2521/08 ,  C07C2523/14 ,  C07C2527/24 ,  Y02P20/582

Abstract: Olefinically unsaturated aliphatic or cycloaliphatic hydrocarbons are manufactured by bringing alkanecarboxylic acids of 3 to 20 carbon atoms, alkanedicarboxylic acids of 4 to 20 carbon atoms or 5-membered or 6-membered cycloalkanecarboxylic acids or their alkyl, cycloalkyl, aralkyl or phenyl esters, in the gas phase, at from 250.degree. to 800.degree. C., into contact with catalysts in which the active composition consists of boron trioxide, boric acid and/or boron nitride, together with one or more of the oxides of aluminum, silicon, tin, lead, titanium and zirconium.

Abstract translation: 通过使3-20个碳原子的链烷羧酸，4-20个碳原子的链烷二羧酸或五元或6-元环烷烃羧酸或它们的烷基，环烷基，芳烷基或苯基酯引入到烯属不饱和脂族或脂环族烃中 气相在250℃至800℃下与催化剂接触，其中活性组合物由三氧化硼，硼酸和/或氮化硼组成，以及一种或多种铝，硅，锡， 铅，钛和锆。

公开(公告)号：US5441607A

公开(公告)日：1995-08-15

申请号：US265740

申请日：1994-06-27

Applicant: Hugo Fuchs ,  Josef Ritz ,  Hans J. Wilfinger ,  David Weatherford

Inventor： Hugo Fuchs ,  Josef Ritz ,  Hans J. Wilfinger ,  David Weatherford

IPC: C07D201/12 ,  C07D201/16 ,  B01D3/34

CPC classification number: C07D201/12 ,  C07D201/16

Abstract: Recovery of caprolactam and of an alkali metal carbonate from distillation residues which are obtained in the purification of caprolactam and contain caprolactam and/or oligomers and/or polymers of caprolactam and also alkali metal hydroxides by(a) melting the distillation residues, the caprolactam and/or oligomers and/or polymers of caprolactam and alkali metal hydroxides,(b) continuously removing caprolactam from the melt,(c) after removing caprolactam, cooling the melt and obtaining a residue,(d) dissolving the residue thus obtained in water and(e) subjecting the aqueous solution thus obtained to combustion with the formation of an alkali metal carbonateis described.

Abstract translation: 从纯化己内酰胺获得的己内酰胺和碱金属碳酸盐回收己内酰胺和/或己内酰胺和/或己内酰胺的聚合物和/或碱金属氢氧化物的齐聚物和/或碱金属氢氧化物，通过（a）将蒸馏残余物，己内酰胺和 /或己内酰胺和碱金属氢氧化物的低聚物和/或聚合物，（b）从熔体中连续除去己内酰胺，（c）除去己内酰胺后，冷却熔体并获得残余物，（d）将由此获得的残余物溶于水和 （e）描述了所得到的水溶液在形成碱金属碳酸盐时的燃烧。

公开(公告)号：US5350847A

公开(公告)日：1994-09-27

申请号：US113081

申请日：1993-08-30

Applicant: Hugo Fuchs ,  Gerald Neubauer ,  Claus-Ulrich Priester

Inventor： Hugo Fuchs ,  Gerald Neubauer ,  Claus-Ulrich Priester

IPC: C07B63/02 ,  C07D201/16 ,  C07D201/12

CPC classification number: C07D201/16

Abstract: Caprolactam is purified by oxidative treatment in which mixtures which essentially contain the caprolactam to be purified and unsaturated lactams are treated with oxygen or an oxygen-containing gas mixture in an alkaline medium.

Abstract translation: 己内酰胺通过氧化处理纯化，其中基本上含有待纯化的己内酰胺和不饱和内酰胺的混合物在碱性介质中用氧或含氧气体混合物处理。

公开(公告)号：US5143872A

公开(公告)日：1992-09-01

申请号：US730757

申请日：1991-07-16

Applicant: Franz-Josef Weiss ,  Hugo Fuchs

Inventor： Franz-Josef Weiss ,  Hugo Fuchs

IPC: B01J23/96 ,  B01J38/64 ,  C01B21/14

CPC classification number: B01J23/96 ,  B01J38/64

Abstract: A method of regenerating noble metal catalysyts used for the catalytic reduction of nitrogen oxide with hydrogen, wherein the noble metal catalyst is treated with an aqueous alkaline solution having a pH of more than 9.

Abstract translation: 一种再生贵金属催化剂的方法，其用于用氢催化还原氮氧化物，其中贵金属催化剂用pH大于9的碱性水溶液处理。

公开(公告)号：US5124138A

公开(公告)日：1992-06-23

申请号：US631155

申请日：1990-12-20

Applicant: Hugo Fuchs ,  Gerald Neubauer ,  Josef Ritz

Inventor： Hugo Fuchs ,  Gerald Neubauer ,  Josef Ritz

IPC: C01B21/14 ,  C02F1/26 ,  C07C249/08 ,  C07C251/44

CPC classification number: C01B21/1472 ,  C02F1/26

Abstract: A process for working up aqueous mother liquors containing hydrochloric acid, sulfuric acid and their hydroxylammonium and ammonium salts, entails the mother liquors being intimately mixed with an excess of cyclohexanone based on the content of hydroxylammonium salts, while maintaining a pH of from 3 to 5.5 by adding alkali metal hydroxide solutions, and the cyclohexanone phase which contains cyclohexanone oxime being removed and washed with water until essentially free of chloride.

Abstract translation: 处理含有盐酸，硫酸及其羟基铵和铵盐的含水母液的方法需要使母液基于羟基铵盐的含量与过量的环己酮充分混合，同时保持pH为3至5.5 通过加入碱金属氢氧化物溶液和除去环己酮肟的环己酮相，并用水洗涤至基本上不含氯化物。

公开(公告)号：US5120699A

公开(公告)日：1992-06-09

申请号：US730758

申请日：1991-07-16

Applicant: Franz-Josef Weiss ,  Hugo Fuchs ,  Werner Steigleiter ,  Wolfgang Hoelderich ,  Luc Guns ,  Gerald Neubauer ,  Josef Ritz

Inventor： Franz-Josef Weiss ,  Hugo Fuchs ,  Werner Steigleiter ,  Wolfgang Hoelderich ,  Luc Guns ,  Gerald Neubauer ,  Josef Ritz

IPC: B01J21/18 ,  B01J23/42 ,  B01J27/02 ,  B01J35/02 ,  B01J35/10 ,  C01B21/14

CPC classification number: B01J21/18 ,  B01J23/42 ,  C01B21/1418 ,  B01J35/023

Abstract: A platinum-on-graphite catalyst having a platinum content of from 0.01 to 5% w/w, wherein the graphite support has a particle size of from 1 to 600 .mu.m and the following particle size distribution:______________________________________ 183 to 600 .mu.m 15% v/v .+-. 15% absolute 68.3 to 183 .mu.m 30% v/v .+-. 20% 31.0 to 68.3 .mu.m 25% v/v .+-. 20% 17.1 to 31.0 .mu.m 15% v/v .+-. 10% 5.2 to 17.1 .mu.m 12% v/v .+-. 10% .sup.

Abstract translation: 铂含量为0.01〜5％w / w的铂 - 石墨催化剂，其中石墨载体的粒度为1〜600μm，粒径分布为：183〜600μm15 ％v / v +/- 15％绝对值-68.3至183μm30％v / v +/- 20％-31.0至68.3μm25％v / v +/- 20％-17.1至31.0μm15％ v / v +/- 10％ - 5.2至17.1μm12％v / v +/- 10％ - <5.2μm5％v / v +/- 5％。 -

公开(公告)号：US4997635A

公开(公告)日：1991-03-05

申请号：US521031

申请日：1990-05-09

Applicant: Hugo Fuchs ,  Gerald Neubauer ,  Josef Ritz ,  Franz-Josef Weiss

Inventor： Hugo Fuchs ,  Gerald Neubauer ,  Josef Ritz ,  Franz-Josef Weiss

IPC: C01B21/14

CPC classification number: C01B21/1472

Abstract: Crystalline hydroxylammonium sulfate is prepared by a process which comprises the following steps:(a) Bringing an aqueous solution which contains from 0.02 to 0.3 part by weight of ammonium sulfate and from 0.02 to 0.2 part by weight of sulfuric acid per part by weight of hydroxylammonium sulfate into contact with a basic ion exchanger and obtaining a solution which has a pH of from 3.0 to 4.0,(b) separating off the basic ion exchanger from the aqueous hydroxylammonium sulfate solution,(c) evaporating down the resulting aqueous hydroxylammonium sulfate solution under reduced pressure at

Abstract translation: 通过包括以下步骤的方法制备结晶羟基硫酸铵：（a）将含有0.02至0.3重量份硫酸铵和0.02至0.2重量份硫酸的水溶液相对于每重量份的羟基铵 硫酸盐与碱性离子交换剂接触，得到pH为3.0〜4.0的溶液，（b）从羟基硫酸铵水溶液中分离碱式离子交换剂，（c）将所得的羟基硫酸铵水溶液 在<100℃下减压，得到浓硫酸羟基铵溶液，（d）结晶出不超过70重量％的存在于水溶液中的羟基硫酸铵，得到结晶羟基硫酸铵和母液，（e ）从母液中分离和结晶的羟基硫酸铵。