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1. 发明授权

US4728435A Decolorization of aqueous glyoxal solutions 失效
标题翻译：乙二醛水溶液脱色
公开(公告)号：US4728435A
公开(公告)日：1988-03-01
申请号：US915723
申请日：1986-10-06
申请人： Guenther Mueller , Rolf Ramsteiner , Fritz Graf , Leopold Hupfer
发明人： Guenther Mueller , Rolf Ramsteiner , Fritz Graf , Leopold Hupfer
IPC分类号： C07C47/127 , C07C45/00 , C07C45/79 , C07C67/00 , C07C67/38 , B01D15/00
CPC分类号： C07C45/79 , Y10S210/917
摘要： An aqueous glyoxal solution is decolorized by a process in which the said solution is passed over granulated active carbon which is arranged in a fixed bed and whose differential pore radius distribution has a maximum of from 10 to 100 A, the Peclet number being from 500 to 5000, the decolorized glyoxal solution is discharged, the active carbon bed is then regenerated by treating it with an aqueous solution of an alkaline agent and then with an aqueous acid, and further glyoxal solution to be decolorized is passed over the active carbon regenerated in this manner.
摘要翻译：乙二醛水溶液通过其中所述溶液通过布置在固定床中的颗粒状活性炭并且其微孔半径分布最大为10至100A的方法而脱色，佩佩克数为500至 5000，脱色乙二醛溶液排出，然后通过用碱性试剂的水溶液处理活性炭床，然后用酸水溶液再生活性炭床，再将脱色的乙二醛溶液通过再生的活性炭方式。

2. 发明授权

US4851584A Preparation of carbonyl compounds 失效
标题翻译：羰基化合物的制备
公开(公告)号：US4851584A
公开(公告)日：1989-07-25
申请号：US176106
申请日：1988-03-30
申请人： Fritz Graf , Leopold Hupfer , Harald Schultheiss
发明人： Fritz Graf , Leopold Hupfer , Harald Schultheiss
IPC分类号： C07C47/127 , B01J23/50 , B01J23/72 , C07B61/00 , C07C45/00 , C07C45/37 , C07C45/38 , C07C45/39 , C07C47/198 , C07C49/12 , C07C49/175 , C07C49/185 , C07C67/00
CPC分类号： C07C45/39 , C07C45/38
摘要： A process for the preparation of carbonyl compounds by oxidation of alcohols in the gas phase with a gas containing oxygen in the presence of catalysts containing copper and silver.
摘要翻译：一种通过在含有铜和银的催化剂存在下，在含有氧气的气相中使醇氧化制备羰基化合物的方法。

3. 发明授权

US4902828A Recovery of aqueous glyoxylic acid solutions 失效
标题翻译：乙醛酸水溶液的回收
公开(公告)号：US4902828A
公开(公告)日：1990-02-20
申请号：US662182
申请日：1984-10-18
申请人： Gerhard Wickenhaeuser , Bernd Heida , Fritz Graf , Leopold Hupfer
发明人： Gerhard Wickenhaeuser , Bernd Heida , Fritz Graf , Leopold Hupfer
IPC分类号： C07C59/153 , C07C51/00 , C07C51/48 , C07C67/00
CPC分类号： C07C51/48
摘要： Aqueous glyoxylic acid solutions, essentially free of other acids, are recovered from aqueous solutions which still contain other acids, by a method in which the aqueous solution is mixed with an organic nitrogen compound at as high as 50.degree. C., the phases are separated, and the glyoxylic acid is extracted from the organic phase with water, at a higher temperature.
摘要翻译：通过其中将水溶液与高达50℃的有机氮化合物混合的方法从仍含有其它酸的水溶液中回收基本上不含其它酸的水合乙醛酸溶液，分离相，并且在较高温度下用水从有机相中提取乙醛酸。

4. 发明授权

US4698434A Preparation of hydroxymethylimidazoles 失效
标题翻译：羟甲基咪唑的制备
公开(公告)号：US4698434A
公开(公告)日：1987-10-06
申请号：US907585
申请日：1986-09-15
申请人： Fritz Graf , Leopold Hupfer
发明人： Fritz Graf , Leopold Hupfer
IPC分类号： C07D233/54 , C07D233/64
CPC分类号： C07D233/64
摘要： Imidazoles which carry a hydroxymethyl radical on a carbon atom of the imidazole ring are prepared by treating a 1-hydroxymethylimidazole, which is unsubstituted in one or more of the positions 2, 4 and 5 of the imidazole ring, with an anion exchanger.
摘要翻译：在咪唑环的碳原子上携带羟甲基的咪唑通过用阴离子交换剂处理在咪唑环的2位，4位和5位的一个或多个未被取代的1-羟甲基咪唑来制备。

5. 发明授权

US4450277A Preparation of 1-substituted imidazoles 失效
标题翻译： 1-取代咪唑的制备
公开(公告)号：US4450277A
公开(公告)日：1984-05-22
申请号：US190901
申请日：1980-09-25
申请人： Fritz Graf , Leopold Hupfer
发明人： Fritz Graf , Leopold Hupfer
IPC分类号： C07D233/54 , C07D233/58 , C07D233/60 , C07D233/61 , C07D233/64 , C07D521/00
CPC分类号： C07D249/08 , C07D231/12 , C07D233/54 , C07D233/56
摘要： A process for the preparation of 1-substituted imidazoles by reacting an .alpha.-dicarbonyl compound with ammonia, an aldehyde and a primary amine in an aqueous medium, in a single stage, at 20.degree.-150.degree. C.
摘要翻译：一种在-20°-150℃下在单一阶段使α-二羰基化合物与氨，醛和伯胺反应制备1-取代的咪唑的方法。

6. 发明授权

US4814513A Preparation of carbonyl compounds 失效
标题翻译：羰基化合物的制备
公开(公告)号：US4814513A
公开(公告)日：1989-03-21
申请号：US130687
申请日：1987-12-09
申请人： Fritz Graf , Heinz Engelbach , Leopold Hupfer , Harald Schultheiss , Michael J. Sprague
发明人： Fritz Graf , Heinz Engelbach , Leopold Hupfer , Harald Schultheiss , Michael J. Sprague
IPC分类号： C07C45/37 , C07C45/00 , C07C45/38 , C07C45/39 , C07C47/127 , C07C67/00
CPC分类号： C07C45/39 , C07C45/38
摘要： A process for the preparation of carbonyl compounds by oxidation of alcohols in the gas phase with a gas containing oxygen in the presence of catalysts containing copper or silver and a phosphorus compound that is volatile under the conditions of the reaction, the ratio of the mass of phosphorus to the mass of the alcohol being less than 0.5 ppm.
摘要翻译：通过在含有铜的催化剂和含有铜的催化剂存在下，在含有氧的气体中，在气相中使醇氧化制备羰基化合物的方法以及在反应条件下挥发的磷化合物，磷至酒精的质量小于0.5ppm。

7. 发明授权

US4521632A Purification of aqueous glyoxal solutions 失效
标题翻译：乙二醛水溶液的纯化
公开(公告)号：US4521632A
公开(公告)日：1985-06-04
申请号：US572948
申请日：1984-01-23
申请人： Gerhard Wickenhaeuser , Bernd Heida , Fritz Graf , Leopold Hupfer
发明人： Gerhard Wickenhaeuser , Bernd Heida , Fritz Graf , Leopold Hupfer
IPC分类号： C07C47/127 , C07C45/00 , C07C45/80 , C07C45/85 , C07C67/00 , C07C45/78
CPC分类号： C07C45/80
摘要： Aqueous solutions of glyoxal which contain acids are purified by treatment with a solution which contains from 20 to 60% by weight of a tertiary amine and from 80 to 40% by weight of an alcohol which is not infinitely miscible with water, the treatment being carried out by mixing the two solutions during a residence time of less than 5 minutes.
摘要翻译：含有酸的乙二醛的水溶液通过用含有20至60重量％的叔胺和80至40重量％的与水无级混溶的醇的溶液处理来纯化，所述处理被携带通过在停留时间少于5分钟的时间内混合两种溶液。

8. 发明授权

US5401873A Preparation of methyl formate 失效
标题翻译：甲酸甲酯的制备
公开(公告)号：US5401873A
公开(公告)日：1995-03-28
申请号：US208823
申请日：1994-03-11
申请人： Peter Zehner , Klaus Bittins , Wilhelm Haarde , Ulrich Eiden , Dietrich Wolff , Manfred Herr , Leopold Hupfer
发明人： Peter Zehner , Klaus Bittins , Wilhelm Haarde , Ulrich Eiden , Dietrich Wolff , Manfred Herr , Leopold Hupfer
IPC分类号： B01J31/02 , C07B61/00 , C07C67/36 , C07C69/06
CPC分类号： C07C67/36
摘要： Preparation of methyl formate by the reaction of carbon monoxide and methanol under conditions of elevated pressure and temperature in the presence of an alkali metal methylate, in whichA) the starting materials are mixed in a mixing zone, are allowed to react partially, and the reaction solution is saturated with CO andB) the reaction is allowed to reach completion in one or more secondary reaction zones without the addition of further starting materials.
摘要翻译：在甲醇酸碱金属（其中A）原料在混合区中混合的条件下，通过一氧化碳和甲醇在升高的压力和温度条件下反应制备甲酸甲酯，使其部分反应，反应溶液用CO饱和，B）使反应在一个或多个次级反应区中达到完成，而不添加进一步的起始原料。

9. 发明授权

US5294740A Preparation of formic acid by thermal cleavage of quaternary ammonium formates 失效
标题翻译：通过季铵化合物的热裂解制备甲酸
公开(公告)号：US5294740A
公开(公告)日：1994-03-15
申请号：US41048
申请日：1993-03-31
申请人： Hans Kiefer , Leopold Hupfer , Ferdinand Lippert
发明人： Hans Kiefer , Leopold Hupfer , Ferdinand Lippert
IPC分类号： C07C51/02 , C07C51/09 , C07C51/44
CPC分类号： C07C51/02
摘要： A process for preparing formic acid by thermal cleavage of quaternary ammonium formates of the general formula I ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are C.sub.1 - to C.sub.14 -alkyl, C.sub.3 - to C.sub.8 -cycloalkyl, aryl or C.sub.7 - to C.sub.16 -aralkyl, or together are 1,4- or 1,5-alkylene which is unsubstituted or substituted one to four times by C.sub.1 -to C.sub.4 -alkyl, with the proviso that the sum of the carbon atoms of R.sup.1, R.sup.2 and R.sup.3 in the quaternary ammonium formates I is 7 to 40,comprises carrying out the cleavage in the presence of secondary formamides of the general formula II ##STR2## where R.sup.4 and R.sup.5 are C.sub.2 - to C.sub.10 -alkyl, C.sub.3 - to C.sub.8 -cycloalkyl, aryl or C.sub.7 - to C.sub.16 -aralkyl, or together are 1,4- or 1,5-alkylene which is unsubstituted or substituted one to four times by C.sub.1 - to C.sub.4 -alkyl,which formamides boil 30.degree. to 150.degree. C. lower than the tertiary amine of the general formula III ##STR3## where R.sup.1, R.sup.2 and R.sup.3 have the abovementioned meanings, contained in the formate I.
摘要翻译：通式I（*化学结构*）（I）的季铵盐的热裂解制备甲酸的方法，其中R 1，R 2和R 3是C 1〜C 14烷基，C 3〜C 8环烷基，芳基或 C7-至C16-芳烷基，或一起为未取代或被C1至C4-烷基取代1-4次的1,4-或1,5-亚烷基，条件是R1，季铵盐I中的R 2和R 3为7至40，包括在通式II（*化学结构*）（II）的二级甲酰胺存在下进行裂解，其中R 4和R 5为C 2至C 10 - 烷基，C 3 -C 8 - 环烷基，芳基或C 7 - 至C 16 - 芳烷基，或者一起是未被取代或被C 1〜C 4 - 烷基取代1〜4次的1,4-或1,5-亚烷基，比通式III的叔胺（*化学结构*）（III）低30〜150℃，其中R1，R2和R3具有上述含义，含有i 在甲板上

10. 发明授权

US5130435A Preparation of vinyl ethers 失效
标题翻译：乙烯的制备
公开(公告)号：US5130435A
公开(公告)日：1992-07-14
申请号：US565180
申请日：1990-08-09
申请人： Wolfgang Hoelderich , Norbert Goetz , Leopold Hupfer
发明人： Wolfgang Hoelderich , Norbert Goetz , Leopold Hupfer
IPC分类号： C07C41/28
CPC分类号： C07C41/28 , Y02P20/582
摘要： Vinyl ethers of the formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are identical to or different from one another, each being hydrogen, straight-chain or branched alkyl or alkenyl of up to 12 carbon atoms, cycloalkyl or cycloalkylene of from 5 to 8 carbon atoms, aryl, alkylaryl, alkenylaryl, aralkyl and aralkenyl of from 6 to 16 carbon atoms, halogen-substituted aryl or heterocyclyl, and in addition the radicals R.sup.1 and R.sup.2 or R.sup.1 and R.sup.3, together with the carbon atom to which they are bonded, can form a cycloalkane, cycloalkene or a heterocycle, and R.sup.4 is alkyl, alkylaryl or aralkyl, are prepared by eliminating an alcohol from an acetal/ketal of the formula ##STR2## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each as defined above, in the presence of a phosphate of zeolite structure and/or a precipitated phosphate of the elements B, Zr, Ce or Fe and/or phosphoric acid or boric acid on carrier material and/or acidic undoped metal oxide as catalyst, the reaction being preferably carried out in the gas phase.
摘要翻译：式中，R 1，R 2和R 3彼此相同或不同的乙烯基醚，各自为氢，直至12个碳原子的直链或支链烷基或烯基，5至8的环烷基或亚环烷基碳原子，芳基，烷基芳基，烯基芳基，芳烷基和具有6至16个碳原子的芳烯基，卤素取代的芳基或杂环基，此外基团R 1和R 2或R 1和R 3与它们所键合的碳原子一起可以形成环烷烃，环烯烃或杂环，并且R 4是烷基，烷基芳基或芳烷基，通过从式（I）的缩醛/缩酮中除去醇来制备，其中R 1，R 2，R 3和R 4各自如上所定义在载体材料和/或酸性未掺杂的金属氧化物作为催化剂的沸石结构的磷酸盐和/或元素B，Zr，Ce或Fe和/或磷酸或硼酸的沉淀磷酸盐存在下，反应为优选在气相中进行。

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