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

US06703511B2 Method for obtaining pure n-vinyl pyrrolidone 有权
标题翻译：获得纯N-乙烯基吡咯烷酮的方法
公开(公告)号：US06703511B2
公开(公告)日：2004-03-09
申请号：US10296046
申请日：2002-11-21
申请人： Bernd Eck , Jörg Heilek , Martin Schmidt-Radde , Herbert Helfert
发明人： Bernd Eck , Jörg Heilek , Martin Schmidt-Radde , Herbert Helfert
IPC分类号： C07D207267
CPC分类号： C07D207/267 , C07D201/16
摘要： The invention describes a process for the isolation of pure N-vinylpyrrolidone from N-vinylpyrrolidone-containing crude products, comprising a single-stage or multistage crystallization process, which comprises passing the mother liquor from the first crystallization stage either to a distillative and/or extractive purification, or returning it to an N-vinylpyrrolidone-containing product stream of the preparation process.
摘要翻译：本发明描述了一种从含有N-乙烯基吡咯烷酮的粗产物中分离纯N-乙烯基吡咯烷酮的方法，其包括单级或多级结晶方法，其包括将母液从第一结晶阶段送入蒸馏和/或萃取纯化，或将其返回到制备方法的含N-乙烯基吡咯烷酮的产物流中。

2. 发明授权

US5710284A Purification of N-vinylpyrrolidone by crystallization 失效
标题翻译：通过结晶纯化N-乙烯基吡咯烷酮
公开(公告)号：US5710284A
公开(公告)日：1998-01-20
申请号：US708820
申请日：1996-09-09
申请人： Martin Schmidt-Radde , Herbert Helfert , Bernd Eck , Bernhard Maltry
发明人： Martin Schmidt-Radde , Herbert Helfert , Bernd Eck , Bernhard Maltry
IPC分类号： C07B63/00 , C07D207/26 , C07D207/267 , C07D207/08
CPC分类号： C07D207/267
摘要： In a process for purifying N-vinylpyrrolidone by crystallization in a crystallizer, those surfaces of the crystallizer from which crystals grow during the crystallization are covered with an N-vinylpyrrolidone seed layer before the crystallization.
摘要翻译：在结晶器中通过结晶纯化N-乙烯基吡咯烷酮的方法中，在结晶之前晶体生长的结晶器的那些表面在结晶之前用N-乙烯基吡咯烷酮种子层覆盖。

3. 发明授权

US06888006B2 Method for processing pyrollidone and n-vinyl pyrollidone residues 有权
标题翻译：吡咯烷酮和正乙烯基吡咯烷酮残留物的处理方法
公开(公告)号：US06888006B2
公开(公告)日：2005-05-03
申请号：US10275564
申请日：2001-05-10
申请人： Herbert Helfert , Martin Schmidt-Radde , Gerhard Laqua , Ulrich Eiden , Stephan Scholl , Christoph Übler
发明人： Herbert Helfert , Martin Schmidt-Radde , Gerhard Laqua , Ulrich Eiden , Stephan Scholl , Christoph Übler
IPC分类号： B01D3/14 , B01J3/00 , C07D201/16 , C07D207/26 , C07D207/267
CPC分类号： C07D207/267 , C07D201/16
摘要： A process for working up residues from the preparation of pyrrolidone and/or N-vinylpyrrolidone comprises subjecting the residues to a thermolysis.
摘要翻译：从制备吡咯烷酮和/或N-乙烯基吡咯烷酮处理残留物的方法包括使残余物进行热分解。

4. 发明授权

US5948945A Prevention of spontaneous decomposition of gaseous acetylene 失效
标题翻译：防止气态乙炔自发分解
公开(公告)号：US5948945A
公开(公告)日：1999-09-07
申请号：US45911
申请日：1998-03-23
申请人： Rudolf Erich Lorenz , Herbert Helfert , Martin Schmidt-Radde , Hans-Peter Schildberg , Gunter Saladin
发明人： Rudolf Erich Lorenz , Herbert Helfert , Martin Schmidt-Radde , Hans-Peter Schildberg , Gunter Saladin
IPC分类号： C07B37/02 , C07C7/20 , C07C11/24 , C10L3/00 , C07C6/00 , C07C7/10
CPC分类号： C07C11/24
摘要： A process for vinylation of an organic acidic-hydrogen compound, which entails reacting an organic acidic-hydrogen compound with acetylene or an acetylene-containing gas under elevated pressure and at elevated temperature in the presence of a base, wherein reactor regions initiating decomposition of acetylene are treated with an effective amount of a chemically inert oil of medium viscosity.
摘要翻译：一种使有机酸性氢化合物发生乙烯化的方法，其使得有机酸性氢化合物与乙炔或含乙炔的气体在升高的压力和升高的温度下在碱的存在下反应，其中反应器区域引发乙炔的分解用有效量的中等粘度的化学惰性油处理。

5. 发明授权

US5723685A Preparation of monovinyl ethers 失效
标题翻译：单乙烯基醚的制备
公开(公告)号：US5723685A
公开(公告)日：1998-03-03
申请号：US548739
申请日：1995-10-26
申请人： Marc Heider , Thomas Ruhl , Herbert Helfert , Martin Schmidt-Radde , Jochem Henkelmann
发明人： Marc Heider , Thomas Ruhl , Herbert Helfert , Martin Schmidt-Radde , Jochem Henkelmann
IPC分类号： B01J23/02 , B01J31/02 , B01J31/12 , C07B61/00 , C07C41/06 , C07C41/08 , C07C43/178 , C07C41/00
CPC分类号： C07C41/08 , C07C41/54
摘要： The preparation of monovinyl ethers of the general formula I ##STR1## in which A stands for a chemical bond or for a methylene or ethylene group, the radicals R.sup.1 and R.sup.2 independently stand for hydrogen, alkyl, cycloalkyl, or aryl groups or R.sup.1 and R.sup.2 together form a C.sub.3 -C.sub.5 alkylene bridging member, by the reaction of a diol of the general formula II ##STR2## in which the variables have the above meanings, with acetylene in the presence of a base, in which the reaction is carried out at 150.degree.-250.degree. C. under an acetylene partial pressure of 5-25 bar until 40-80% of the diol has been converted, at which point the reaction is stopped and the monovinyl ether of the formula I is isolated.
摘要翻译：制备通式I的单乙烯基醚（I）其中A代表化学键或亚甲基或亚乙基，基团R 1和R 2分别代表氢，烷基，环烷基或芳基或 R 1和R 2一起形成C 3 -C 5亚烷基桥连体，通过其中变量具有上述含义的通式II的二醇（II）与乙炔在碱的存在下反应，其中反应在150-250℃，乙炔分压为5-25巴下进行，直到二醇的40-80％转化为止，此时反应停止，式I的单乙烯基醚是孤立的

6. 发明授权

US5670639A Preparation of n-vinyllactams 失效
标题翻译： n-乙烯基内酰胺的制备
公开(公告)号：US5670639A
公开(公告)日：1997-09-23
申请号：US614682
申请日：1996-03-13
申请人： Martin Schmidt-Radde , Marc Heider , Albrecht Dams , Harald Rust
发明人： Martin Schmidt-Radde , Marc Heider , Albrecht Dams , Harald Rust
IPC分类号： C07D207/26 , C07D207/267 , C07D211/76 , C07D223/10
CPC分类号： C07D207/267 , C07D211/76 , C07D223/10
摘要： N-Vinyllactams of the general formula I ##STR1## where n is from 1 to 3, are prepared by a process which comprises reaction of a lactam of the general formula II ##STR2## where n is from 1 to 3, with from 10 to 90 percent by weight of an aqueous alkali metal hydroxide solution with distillation at from 50.degree. to 250.degree. C. and from 1 to 100 mbar and with a residence time of from 0.1 to 5 hours and subsequent reaction with acetylene at from 60.degree. to 250.degree. C. and from 1 to 100 bar.
摘要翻译：通过包括将通式II的内酰胺（II）的反应的方法制备，其中n为1至3的通式I（I）的N-乙烯基内酰胺，其中n为1至3，其中n为1至 3，以10至90重量％的碱金属氢氧化物水溶液在50至250℃和1至100毫巴蒸馏下进行，停留时间为0.1至5小时，随后与乙炔反应在60℃至250℃和1至100巴之间。

7. 发明授权

US5254752A Preparation of 4-halobenzyl alcohols 失效
标题翻译：制备4-卤代苄醇
公开(公告)号：US5254752A
公开(公告)日：1993-10-19
申请号：US960774
申请日：1992-10-14
申请人： Franz Merger , Martin Brudermueller , Martin Schmidt-Radde
发明人： Franz Merger , Martin Brudermueller , Martin Schmidt-Radde
IPC分类号： C07C29/141 , C07C29/145 , C07C33/46 , C07C41/18 , C07C43/174 , C07C27/04
CPC分类号： C07C29/141 , C07C29/145 , C07C33/46
摘要： The invention provides a process for the preparation of a 4-halobenzyl alcohol of the formula ##STR1## where R.sup.1 is hydrogen, C.sub.1 - to C.sub.20 -alkyl, C.sub.2 - to C.sub.20 -alkoxyalkyl, C.sub.3 - to C.sub.20 -cycloalkyl, or C.sub.4 - to C.sub.30 -cycloalkylalkyl,R.sup.2 is C.sub.1 - to C.sub.20 -alkyl, C.sub.2 - to C.sub.20 -alkoxyalkyl, C.sub.3 - to C.sub.20 -cycloalkyl or C.sub.4 - to C.sub.30 -cycloalkylalkyl,X is halogen andm is 0 to 2,by reacting a haloaromatic carbonyl compound of the formula ##STR2## where R.sup.1, R.sup.2, X and m are as defined above, with hydrogen on a hydrogenation catalyst consisting essentially of copper oxide (I), copper oxide (II) and mixtures thereof in the presence of at least one primary, secondary or tertiary amine selected from the group consisting of acyclic, cyclic and heterocyclic aliphatic amines, in the presence or absence of an inert solvent, at from 50.degree. to 130.degree. C. and at from 10 to 200 bar.
摘要翻译：本发明提供制备式（I）的4-卤代苄醇的方法，其中R 1是氢，C 1 -C 20烷基，C 2 -C 20烷氧基烷基，C 3 -C 20环烷基或 C 4 -C 30 - 环烷基烷基，R 2是C 1〜C 20 - 烷基，C 2〜C 20 - 烷氧基烷基，C 3〜C 20 - 环烷基或C 4〜C 30 - 环烷基烷基，X是卤素，m是0〜2，其中R1，R2，X和m如上所定义的式（II）的卤代芳基羰基化合物与氢在基本上由氧化铜（I），氧化铜（II）和它们的混合物组成的氢化催化剂上在惰性溶剂存在或不存在下，在50-130℃和10-200℃下存在至少一种选自无环，环状和杂环脂族胺的伯，仲或叔胺酒吧。

8. 发明授权

US5380919A Preparation of neopentyl glycol hydroxypivalate 失效
标题翻译：新戊二醇羟基新戊酸酯的制备
公开(公告)号：US5380919A
公开(公告)日：1995-01-10
申请号：US32025
申请日：1993-03-16
申请人： Franz Merger , Martin Schmidt-Radde
发明人： Franz Merger , Martin Schmidt-Radde
IPC分类号： B01J23/04 , C07B61/00 , C07C67/44 , C07C69/675
CPC分类号： C07C67/44
摘要： A process for preparing neopentyl glycol hydroxypivalate by base-catalyzed disproportionation of hydroxypivalaldehyde, wherein the reaction is carried out in the presence of a readily water-soluble alkaline earth metal salt and of an alkali metal hydroxide.
摘要翻译：通过羟基新戊醛的碱催化歧化制备新戊二醇羟基新戊酸的方法，其中反应在容易水溶性的碱土金属盐和碱金属氢氧化物的存在下进行。

9. 发明授权

US5254757A Preparation of 2,2-bis-hydroxymethyl-butanediol-(1,4) 失效
标题翻译：制备2,2-双羟甲基丁二醇 - （1,4）
公开(公告)号：US5254757A
公开(公告)日：1993-10-19
申请号：US964865
申请日：1993-10-22
申请人： Franz Merger , Martin Schmidt-Radde
发明人： Franz Merger , Martin Schmidt-Radde
IPC分类号： C07B61/00 , C07C29/141 , C07C31/24 , C07C45/59 , C07C45/75 , C07C47/19 , C07C27/04 , C07C29/145 , C07C31/18
CPC分类号： C07C47/19 , C07C29/141 , C07C31/24 , C07C45/75
摘要： A process for the preparation of 2,2-bis-hydroxymethyl-butanediol-(1,4) of formula I ##STR1## wherein 4-hydroxybutyraldehyde of formula II ##STR2## and/or 2-hydroxytetrahydrofuran of formula III ##STR3## is/are condensed with formaldehyde in the presence of a basic catalyst and the resulting reaction mixture is then catalytically hydrogenated, and 2,2-bis-hydroxymethyl-butanediol-(1,4) is isolated from the hydrogenation product.
摘要翻译：制备式I的2,2-双羟甲基丁二醇 - （1,4）的方法（I）其中式II的4-羟基丁醛和/或2-羟基四氢呋喃式III（III）在碱性催化剂存在下与甲醛缩合，然后将所得反应混合物进行催化氢化，并将2,2-双羟甲基丁二醇 - （1,4）从氢化产物。

10. 发明授权

US06201160B1 Preparation of alcohols 失效
标题翻译：醇的制备
公开(公告)号：US06201160B1
公开(公告)日：2001-03-13
申请号：US08737736
申请日：1996-11-19
申请人： Martin Brudermüller , Matthias Irgang , Martin Schmidt-Radde , Franz Merger , Tom Witzel , Detlef Kratz , Eckehard Danz , Arnold Wittwer , Michael Hesse , Manfred Sauerwald , Cristina Freire Erdbrügger
发明人： Martin Brudermüller , Matthias Irgang , Martin Schmidt-Radde , Franz Merger , Tom Witzel , Detlef Kratz , Eckehard Danz , Arnold Wittwer , Michael Hesse , Manfred Sauerwald , Cristina Freire Erdbrügger
IPC分类号： C07C2704
CPC分类号： C07C29/145 , B01J21/08 , B01J23/72 , B01J23/868 , C07C29/141 , C07C29/175 , C07C2601/08 , C07C2603/68 , C07C31/205 , C07C31/20 , C07C31/12 , C07C31/125 , C07C31/278 , C07C31/274
摘要： Alcohols are prepared by the catalytic hydrogenation of the corresponding carbonyl compounds at elevated temperatures and at superatmospheric pressure in the liquid phase by a process in which the catalyst used contains copper on an SiO2-containing carrier in the presence or absence of one or more of the elements magnesium, barium, zinc and chromium.
摘要翻译：醇通过在液相中在升高的温度和超大气压下的催化氢化制备，其中使用的催化剂在含有SiO 2的载体上含有铜，在存在或不存在一种或多种元素镁，钡，锌和铬。

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