专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US5319138A Process for the preparation of pure propanephosphonic anhydride 失效
标题翻译：纯丙基膦酸酐的制备方法
公开(公告)号：US5319138A
公开(公告)日：1994-06-07
申请号：US926495
申请日：1992-08-05
申请人： Gunter Roscher , Hans-Jerg Kleiner , Harald Berger , Manfred Schmidt , Rainer Uhmann , Dirk Bottger
发明人： Gunter Roscher , Hans-Jerg Kleiner , Harald Berger , Manfred Schmidt , Rainer Uhmann , Dirk Bottger
IPC分类号： C07F9/48 , C07F9/38 , C08G79/02 , C08G79/04 , C07F9/30
CPC分类号： C07F9/3895
摘要： Process for the preparation of pure propanephosphonic anhydride, which comprises distilling crude, impure propanephosphonic anhydride having an average degree of polymerization of 20 to 200 and containing less than 0.5% by weight of water by heating to 230 to 300.degree. C. under a pressure of 0.1 to 100 mbar, pure propanephosphonic anhydride having an average degree of polymerization of 20 to 60 being obtained.
摘要翻译：制备纯丙基膦酸酐的方法，其包括将平均聚合度为20〜200的粗品，不纯的丙烷膦酸酐加热至230〜300℃，加压至230〜300℃， 0.1〜100毫巴，得到平均聚合度为20〜60的纯丙基膦酸酐。

2. 发明授权

US5811575A Process for preparing vinyl-phosphonic acids 失效
标题翻译：制备乙烯基膦酸的方法
公开(公告)号：US5811575A
公开(公告)日：1998-09-22
申请号：US857318
申请日：1997-05-16
申请人： Hans-Jerg Kleiner , Gunter Roscher
发明人： Hans-Jerg Kleiner , Gunter Roscher
IPC分类号： B01J27/14 , B01J27/16 , B01J31/02 , C07B61/00 , C07F9/38
CPC分类号： C07F9/3895 , C07F9/3826
摘要： The present invention relates to a process for preparing vinylphosphonic acids of the formula ##STR1## in which m is an integer from 1 to 20 by heating 2-chloroethylphosphonic acids of the formula ##STR2## in which n is an integer equal to or smaller than m, if desired in the form of a solution, in the absence or presence of a catalyst to a temperature of 180 to 350.degree. C. and eliminating hydrogen chloride and, where appropriate, water under atmospheric pressure or reduced pressure and, if desired, hydrolysing the vinylphosphonic acids of the formula (I).
摘要翻译：本发明涉及一种制备式（I）的乙烯基膦酸的方法，其中m为1至20的整数，通过加热式（II）的2-氯乙基膦酸，其中n为等于或小于m的整数，如果需要，在溶液形式下，在不存在或不存在催化剂的情况下，温度为180-350℃，并且在适当的情况下除去氯化氢，并在适当情况下，在大气压下还原压力，如果需要，水解式（I）的乙烯基膦酸。

3. 发明授权

US4960919A Process for the preparation of alkyl alkenylphosphinates 失效
标题翻译：烯基亚磷酸烷基酯的制备方法
公开(公告)号：US4960919A
公开(公告)日：1990-10-02
申请号：US311527
申请日：1989-02-16
申请人： Hans-Jerg Kleiner , Gunter Roscher
发明人： Hans-Jerg Kleiner , Gunter Roscher
IPC分类号： C07B61/00 , B01J31/02 , C07F9/32
CPC分类号： C07F9/3217
摘要： A process for the preparation of alkyl esters of alkenylphosphinic acid, having the general formula I ##STR1## wherein R.sup.1 represents H or CH.sub.3, R.sup.2 alkyl having from 1 to 4 carbon atoms or phenyl and R.sup.3 alkyl having from 1 to 8 carbon atoms, which comprises cleaving an alkyl ester of 2-acetoxyethyl phosphinic acid, having the general formula II ##STR2## wherein R.sup.1, R.sup.2 and R.sup.3 have the meaning indicated above, in contact with a liquid catalytically acting medium and at a partial pressure of the total of the components of the reaction system in the range of from 1 to 500 mbar, and drawing off the resulting alkyl esters of alkenyl phosphinic acid and other volatile reaction products.The invention also relates to compounds of the formula I ##STR3## wherein (a) R.sup.1 represents H, R.sup.2 represents alkyl having from 1 to 4 carbon atoms or phenyl and R.sup.3 represents isobutyl or alkyl having from 5 to 8 carbon atoms, or(b) R.sup.1 represents CH.sub.3, R.sup.2 represents alkyl having from 1 to 4 carbon atoms or phenyl and R.sup.3 represents alkyl having from 1 to 8 carbon atoms.
摘要翻译：制备具有通式I（I）的烯基次膦酸的烷基酯的方法，其中R 1表示H或CH 3，具有1至4个碳原子的R 2烷基或具有1至8个碳的R 3烷基原子，其包括裂解2-乙酰氧基乙基次膦酸的烷基酯，具有通式II（II）其中R1，R2和R3具有上述含义，与液体催化作用介质接触，并且部分地将反应体系的组分的总量的压力在1至500毫巴范围内，并抽出所得的链烯基次膦酸和其它挥发性反应产物的烷基酯。本发明还涉及式I的化合物（I），其中（a）R 1表示H，R 2表示具有1至4个碳原子的烷基或苯基，R 3表示异丁基或具有5至8个碳原子的烷基，或（b）R 1表示CH 3，R 2表示具有1至4个碳原子的烷基或苯基，R 3表示具有1至8个碳原子的烷基。

4. 发明授权

US4894470A Process for the preparation of dialkyl vinylphosphonates 失效
标题翻译：乙烯基膦酸二烷基酯的制备方法
公开(公告)号：US4894470A
公开(公告)日：1990-01-16
申请号：US163797
申请日：1988-03-03
申请人： Gunter Roscher , Hans-Jerg Kleiner , Gabriele Ihl , Hermann Leipe
发明人： Gunter Roscher , Hans-Jerg Kleiner , Gabriele Ihl , Hermann Leipe
IPC分类号： C07B61/00 , C07F9/40
CPC分类号： C07F9/4015
摘要： A process for the production of dialkyl esters of vinyl phosphonic acid which comprises subjecting dialkyl esters of 2-acetoxyethane phosphonic acid to cleavage by contacting with a liquid catalytically acting medium at a temperature in the range from 150.degree. to 270.degree. C. and under a pressure such that the partial pressures of the total of the components of the reaction system is in the range from 1 to 500 mbar, and drawing off the resulting dialkyl esters of vinyl phosphonic acid and other volatile reaction products.
摘要翻译：一种制备乙烯基膦酸的二烷基酯的方法，该方法包括使2-乙酰氧基乙
烷膦酸的二烷基酯与液体催化作用的介质在150-270℃的温度下接触，压力使得反应体系的组分总量的分压在1至500毫巴的范围内，并抽出所得的乙烯基膦酸的二烷基酯和其它挥发性反应产物。

5. 发明授权

US4902823A Process for the preparation of vinyl acetate 失效
标题翻译：乙酸乙烯酯的制备方法
公开(公告)号：US4902823A
公开(公告)日：1990-02-20
申请号：US307733
申请日：1989-02-07
申请人： Friedrich Wunder , Gunter Roscher , Klaus Eichler
发明人： Friedrich Wunder , Gunter Roscher , Klaus Eichler
IPC分类号： C07C67/055 , B01J23/52 , B01J23/60 , B01J23/66 , B01J31/04 , B01J35/02 , B01J35/10 , C07B61/00 , C07C69/15
CPC分类号： B01J35/026 , B01J23/52 , C07C67/055 , B01J35/10
摘要： The invention relates to a process for the preparation of vinyl acetate in the gas phase from ethylene, acetic acid and oxygen or oxygen-containing gases on a catalyst which contains palladium and/or compounds thereof and if appropriate additionally gold and/or gold compounds and, as activators, alkali metal compounds and if appropriate additionally cadmium compounds, on a support. The support consists of cylindrical particles with curved front faces. The support material is aerogenic SiO.sub.2 or an aerogenic SiO.sub.2 -Al.sub.2 O.sub.3 mixture having a surface area of 50-250 m.sup.2 /g and a pore volume of 0.4-1.2 ml/g, which is formed to the extent of at least 50% by pores having a diameter of 50-200 .ANG..
摘要翻译：本发明涉及一种在含有钯和/或其化合物的催化剂上由乙烯，乙酸和氧气或含氧气体在气相中制备乙酸乙烯酯的方法，如果合适的话，本发明涉及金和/或金化合物和，作为活化剂，碱金属化合物和如果合适的话另外是镉化合物。支撑体由具有弯曲前表面的圆柱形颗粒组成。载体材料是表面积为50-250m2 / g，孔体积为0.4-1.2ml / g的生成SiO 2或发射SiO 2 -Al 2 O 3混合物，其通过具有至少50％直径为50-200 ANGSTROM。

6. 发明授权

US5391815A Method of separating vinylphosphonic acid from crude mixtures 失效
标题翻译：从粗混合物中分离乙烯基膦酸的方法
公开(公告)号：US5391815A
公开(公告)日：1995-02-21
申请号：US978702
申请日：1993-02-03
申请人： Gunter Roscher
发明人： Gunter Roscher
IPC分类号： C07F9/02 , C07F9/38
CPC分类号： C07F9/3826 , C07F9/025
摘要： Method of separating vinylphosphonic acid from crude mixtures.The invention relates to a method for separating vinylphosphonic acid from crude mixtures, the separation being carried out by extraction with alcohols and/or ketones, which in each case comprise at least 5 carbon atoms.According to the invention, vinylphosphonic acid can be obtained in high purity and good yield from highly contaminated crude mixtures.
摘要翻译： PCT No.PCT / EP91 / 01412 Sec。 371日期：1993年2月3日 102（e）日期1993年2月3日PCT PCT 1991年7月27日PCT公布。出版物WO92 / 02524 日本1992年2月20日。从粗混合物中分离乙烯基膦酸的方法。本发明涉及一种从粗混合物中分离乙烯基膦酸的方法，该分离是通过用醇和/或酮进行萃取，每种情况都包含至少5个碳原子。根据本发明，可以从高度污染的粗混合物中获得高纯度和高收率的乙烯基膦酸。

7. 发明授权

US5210259A Process for the oxidation of dialkyl esters of 2-hydroxy-ethylphosphonic acid 失效
标题翻译： 2-羟基乙酸磷酸二烷基酯氧化方法
公开(公告)号：US5210259A
公开(公告)日：1993-05-11
申请号：US859416
申请日：1992-05-22
申请人： Ernst I. Leupold , Gunter Roscher
发明人： Ernst I. Leupold , Gunter Roscher
IPC分类号： B01J23/40 , C07B61/00 , C07F9/40 , C07F9/6571
CPC分类号： C07F9/657181 , C07F9/4006
摘要： A process for the preparation of diesters of carboxymethylphosphonic acid of the formula: (RO).sub.2 P(O)CH.sub.2 CO.sub.2 H, in which R is a straight-chain or branched alkyl radical having 1 to 20 carbon atoms, a cycloaliphatic radical having 5 to 8 carbon atoms, a phenyl or naphthyl radical which can be substituted, an aralkyl radical having 7 to 10 carbon atoms, or in which the (RO).sub.2 P group forms a ring having 2 to 5 carbon atoms which can be substituted, characterized in that dialkyl ester of 2-hydroxyethylphosphonic acid of the formula (RO).sub.2 P(O)CH.sub.2 CH.sub.2 OH, in which R has the abovementioned meaning, is reacted with oxygen in the presence of water and a catalyst which contains at least one metal selected from the platinum metals group.
摘要翻译： PCT No.PCT / EP90 / 01980 Sec。 371日期：1992年5月22日 102（e）日期1992年5月22日PCT 1990年11月20日PCT PCT。第WO91 / 08210号公报日期：1991年6月13日。一种制备下式的羧甲基膦酸二酯的方法：（RO）2P（O）CH 2 CO 2 H，其中R是具有1至20个碳原子的直链或支链烷基，具有5至8个碳原子的脂环族基团，可被取代的苯基或萘基，具有7至10个碳原子的芳烷基，或其中（RO）2P基团形成具有2至5个碳原子的环，其可以是其特征在于，式（RO）2 P（O）CH 2 CH 2 OH的2-羟乙基膦酸的二烷基酯（其中R具有上述含义）在水和催化剂的存在下与氧反应，所述催化剂含有至少一种金属选自铂金属组。

8. 发明授权

US4409396A Process for the manufacture of unsaturated carboxylic acid esters 失效
标题翻译：制备不饱和羧酸酯的方法
公开(公告)号：US4409396A
公开(公告)日：1983-10-11
申请号：US299019
申请日：1981-09-03
申请人： Dominik Dempf , Ludwig Schmidhammer , Gerhard Dummer , Gunter Roscher , Karl-Heinz Schmidt , Ernst Selbertinger , Rudolf Strasser
发明人： Dominik Dempf , Ludwig Schmidhammer , Gerhard Dummer , Gunter Roscher , Karl-Heinz Schmidt , Ernst Selbertinger , Rudolf Strasser
IPC分类号： C07C69/025 , B01J31/00 , C07B61/00 , C07C67/055 , C07C69/145 , C07C69/15 , C07C69/155
CPC分类号： C07C67/055
摘要： The invention relates to a process for the manufacture of unsaturated carboxylic acid esters by the reaction of olefins or cyclo-olefins with oxygen and carboxylic acids in the gaseous phase, in the presence of a catalyst which contains elements of the subsidiary group VIII of the periodic system and/or compounds thereof, and an alkali metal acetate, at temperatures of from 100.degree. to 250.degree. C. and pressures of from 0.5 to 21 bar absolute, wherein from 1 to 8000 parts per million (by weight), calculated on the carboxylic acid used, of organic chlorine compounds are added to the reaction mixture.
摘要翻译：本发明涉及一种通过烯烃或环烯烃与气相中的氧和羧酸反应制备不饱和羧酸酯的方法，该催化剂含有周期性的第VIII族的元素的催化剂系统和/或其化合物和碱金属乙酸盐，其温度为100-250℃，压力为0.5-21巴绝对值，其中按重量百分数计算为1至8000份（按重量计）使用羧酸的有机氯化合物加入到反应混合物中。

9. 发明授权

US4219500A Process for the manufacture of N,N'-diacetylethylene diamine 失效
标题翻译：制备N，N'-二乙酰乙二胺的方法
公开(公告)号：US4219500A
公开(公告)日：1980-08-26
申请号：US53033
申请日：1979-06-28
申请人： Gunter Roscher , Wilfried Pressler
发明人： Gunter Roscher , Wilfried Pressler
IPC分类号： C07C67/00 , C07C231/00 , C07C231/02 , C07C233/36 , C07C103/44
CPC分类号： C07C231/02
摘要： N,N'-Diacetylethylene diamine (DAED) is produced by first adding the stoichiometric amount of acetic acid (2 mols per mol of ethylene diamine) at least partially in the form of aqueous acetic acid to ethylene diamine, distilling off in a second step the water contained in the reaction mixture, adding acetic acid in excess to the remaining product, distilling off the aqueous acetic acid formed and recycling it into the first process step. The DAED remains as sump product after distillation of the acetic acid.
摘要翻译：通过首先将至少部分为乙酸水溶液的化学计量的乙酸（2摩尔/摩尔乙二胺）加入到乙二胺中，在第二步骤中蒸馏出来制备N，N'-二乙酰基乙二胺（DAED）包含在反应混合物中的水，向剩余的产物中过量加入乙酸，蒸馏形成的乙酸水溶液并将其再循环到第一工艺步骤中。在乙酸蒸馏后，DAED仍然作为贮槽产品。

10. 发明授权

US5710330A Process for preparing alkanephosphonic anhydrides 失效
标题翻译：制备烷基膦酸酐的方法
公开(公告)号：US5710330A
公开(公告)日：1998-01-20
申请号：US556859
申请日：1995-11-02
申请人： Carl Christoph Mollenkopf , Ernst Ingo Leupold , Gunter Roscher
发明人： Carl Christoph Mollenkopf , Ernst Ingo Leupold , Gunter Roscher
IPC分类号： C07F9/38
CPC分类号： C07F9/3895
摘要： Process for preparing alkanephosphonic anhydrides of the formula (I) ##STR1## where R is straight-chain or branched unsubstituted C.sub.1 -C.sub.6 -alkyl and n.gtoreq.3, which comprises pyrolytically eliminating water from an alkanephosphonic acid of the formula (II) or a pyroalkanephosphonic acid of the formula (III) ##STR2## where R is straight-chain or branched C.sub.1 -C.sub.6 -alkyl, without addition of solvent and removing the water from the reaction mixture by means of an inert gas stream.
摘要翻译：制备式（I）的烷基膦酸酐的方法其中R是直链或支链未取代的C 1 -C 6 - 烷基和n 3 = 3，其包括热解地除去式（I）的亚烷基膦酸的水（II）或式（III）的热链烷基膦酸其中R是直链或支链C 1 -C 6 - 烷基，不加入溶剂并从反应中除去水通过惰性气流混合。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式