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    Preparation of hydroxylammonium salts
    1.
    发明授权
    Preparation of hydroxylammonium salts 失效
    羟基铵盐的制备

    公开(公告)号：US4889704A

    公开(公告)日：1989-12-26

    申请号：US184085

    申请日：1988-04-20

    申请人： Hugo Fuchs ,  Josef Ritz ,  Erwin Thomas ,  Franz-Josef Weiss

    发明人： Hugo Fuchs ,  Josef Ritz ,  Erwin Thomas ,  Franz-Josef Weiss

    IPC分类号： B01J23/42 ,  C01B21/14

    CPC分类号： C01B21/1418

    摘要： Hydroxylammonium salts are prepared by catalytic reduction of nitrogen monoxide with hydrogen at elevated temperature in a dilute aqueous solution of a mineral acid in the presence, in suspension, of a supported platinum catalyst obtainable by precipitating metallic platinum from an aqueous platinum solution onto a support by means of a reducing agent in the presence of an organic chelating agent and partially poisoned with sulfur.

    摘要翻译： 羟基铵盐通过在无水酸的稀的水溶液中在氢气的一个一氧化碳中催化还原一氧化氮，在悬浮液中存在的载体铂催化剂存在下，通过将金属铂从铂水溶液中沉淀到载体上而得到 在有机螯合剂存在下还原剂并用硫部分中毒的还原剂的方法。

    Preparation of aqueous solutions of free hydroxylamine
    2.
    发明授权
    Preparation of aqueous solutions of free hydroxylamine 失效
    游离羟胺水溶液的制备

    公开(公告)号：US4778669A

    公开(公告)日：1988-10-18

    申请号：US5700

    申请日：1987-01-22

    申请人： Hugo Fuchs ,  Franz-Josef Weiss ,  Erwin Thomas ,  Josef Ritz

    发明人： Hugo Fuchs ,  Franz-Josef Weiss ,  Erwin Thomas ,  Josef Ritz

    IPC分类号： C01B21/14

    CPC分类号： C01B21/1445

    摘要： 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.

    摘要翻译： 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。

    Preparation of hydroxylamine-O-sulfonic acid
    3.
    发明授权
    Preparation of hydroxylamine-O-sulfonic acid 失效
    羟胺-O-磺酸的制备

    公开(公告)号：US4737354A

    公开(公告)日：1988-04-12

    申请号：US8343

    申请日：1987-01-29

    申请人： Hugo Fuchs ,  Franz-Josef Weiss ,  Erwin Thomas ,  Josef Ritz

    发明人： Hugo Fuchs ,  Franz-Josef Weiss ,  Erwin Thomas ,  Josef Ritz

    IPC分类号： B01J23/00 ,  B01J23/40 ,  C01B21/093 ,  C01B21/14 ,  C01B21/00 ,  C01B21/54

    CPC分类号： C01B21/093 ,  C01B21/1418

    摘要： Hydroxylamine-O-sulfonic acid is prepared by(a) reacting hydroxylammonium sulfate with oleum at elevated temperatures,(b) isolating sulfuric acid from the hydroxylamine-O-sulfonic acid formed,(c) diluting the sulfuric acid which was obtained in stage (b) and which still contains hydroxylamino-O-sulfonic acid with water to 2-6N and heating it to 30.degree.-80.degree. C. for 1-10 hours,(d) preparing hydroxylamine by catalytic reduction of nitrogen monoxide with hydrogen using the dilute sulfuric acid from stage (c) in the presence of a noble metal catalyst at elevated temperatures.

    摘要翻译： （a）在升高的温度下使羟基硫酸铵与发烟硫酸反应制备羟胺-O-磺酸，（b）从形成的羟胺-O-磺酸中分离出硫酸，（c）稀释在步骤 b），其还含有羟基氨基-O-磺酸与水至2-6N，并加热至30-80℃1-10小时，（d）通过使用氢气将一氧化氮催化还原制备羟胺 在贵金属催化剂存在下，在高温下从阶段（c）稀释硫酸。

    Preparation of hydroxylammonium salts
    6.
    发明授权
    Preparation of hydroxylammonium salts 失效
    羟基磺酸盐的制备

    公开(公告)号：US5236685A

    公开(公告)日：1993-08-17

    申请号：US919334

    申请日：1992-07-27

    申请人： Hugo Fuchs ,  Franz-Josef Weiss ,  Josef Ritz

    发明人： Hugo Fuchs ,  Franz-Josef Weiss ,  Josef Ritz

    IPC分类号： B01J23/644 ,  B01J23/42 ,  B01J37/03 ,  C01B21/14

    CPC分类号： C01B21/1418 ,  B01J23/42 ,  B01J37/031

    摘要： A process for the preparation of hydroxylammonium salts by the reduction of nitrogen oxide (NO) with hydrogen in dilute aqueous mineral acid in the presence of a suspended platinum catalyst which is partially poisoned with arsenic, at elevated temperature, wherein the catalyst used is one which has been produced by precipitation of metallic platinum from an aqueous solution on to a suspended support in the presence of an oxidic arsenic compound, by means of a reducing agent.

    摘要翻译： 一种在悬浮铂催化剂存在下，在稀盐酸水溶液中，用氢还原氮氧化物（NO）制备羟基铵盐的方法，该悬浮铂催化剂在高温下被砷部分中毒，其中使用的催化剂是 通过还原剂将金属铂从水溶液中沉淀在悬浮载体上，在氧化砷化合物的存在下生成。

    Preparation of crystalline hydroxylammonium sulfate having a low ammonium sulfate content
    8.
    发明授权
    Preparation of crystalline hydroxylammonium sulfate having a low ammonium sulfate content 失效
    制备硫酸铵含量低的结晶羟基硫酸铵

    公开(公告)号：US4997635A

    公开(公告)日：1991-03-05

    申请号：US521031

    申请日：1990-05-09

    申请人： Hugo Fuchs ,  Gerald Neubauer ,  Josef Ritz ,  Franz-Josef Weiss

    发明人： Hugo Fuchs ,  Gerald Neubauer ,  Josef Ritz ,  Franz-Josef Weiss

    IPC分类号： C01B21/14

    CPC分类号： C01B21/1472

    摘要： 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

    摘要翻译： 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。

    Preparation of pure hydroxylammonium salts of fatty acids of 1 to 4 carbon atoms
    9.
    发明授权
    Preparation of pure hydroxylammonium salts of fatty acids of 1 to 4 carbon atoms 失效
    制备1至4个碳原子的脂肪酸的纯羟基铵盐

    公开(公告)号：US4837362A

    公开(公告)日：1989-06-06

    申请号：US3658

    申请日：1987-01-15

    申请人： Hugo Fuchs ,  Franz-Josef Weiss

    发明人： Hugo Fuchs ,  Franz-Josef Weiss

    IPC分类号： C07C53/08 ,  C07C51/00 ,  C07C51/41 ,  C07C51/43 ,  C07C53/122 ,  C07C67/00

    CPC分类号： C07C51/412

    摘要： Pure hydroxylammonium salts of fatty acids of 1 to 4 carbon atoms are prepared by reacting hydroxylammonium sulfate and alkali metal salts of fatty acids with 1 to 4 carbon atoms in solution at elevated temperatures and separating off the hydroxylammonium salts of fatty acids of 1 to 4 carbon atoms by(a) reacting hydroxylammonium sulfate and alkali metal salts of fatty acids of 1 to 4 carbon atoms in solution in water or alkanols of 1 to 3 carbon atoms or mixtures thereof at 20.degree.-70.degree. C.,(b) evaporating the solvent out of the reaction mixture to obtain a dry residue,(c) isolating the hydroxlammonium salts of fatty acids of 1 to 4 carbon atoms from the dry residue thus obtained by sublimation under reduced pressure.

    摘要翻译： 1〜4个碳原子的脂肪酸的纯羟基铵盐是通过羟基硫酸铵与脂肪酸的碱金属盐在溶液中在高温下反应而制成的，分离出1至4个碳原子的脂肪酸的羟基铵盐 原子通过（a）使羟基硫酸铵和1至4个碳原子的脂肪酸的碱金属盐在1至3个碳原子的水或链烷醇或其混合物的溶液中在20℃-70℃下反应，（b）将 溶剂从反应混合物中得到干燥残余物，（c）从减压升华得到的干燥残余物中分离出1至4个碳原子的脂肪酸的羟基铵盐。