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

US6140545A Preparation of alcohols 失效
标题翻译：醇的制备
公开(公告)号：US6140545A
公开(公告)日：2000-10-31
申请号：US251462
申请日：1999-02-17
申请人： Martin Merger , Shelue Liang , Rolf Fischer , Joachim Wulff-Doring
发明人： Martin Merger , Shelue Liang , Rolf Fischer , Joachim Wulff-Doring
IPC分类号： C07C29/149 , C07C37/08
CPC分类号： C07C29/149 , C07C2101/14
摘要： In a process for preparing alcohols by gas phase hydrogenation of carboxylic acids or esters thereof at elevated temperature and elevated pressure in the presence of catalysts consisting of or comprising, as hydrogenating components, oxides of main group VI and/or subgroup IV, the hydrogenation is carried outa) at from 250.degree. C. to 400.degree. C. and from 5 bar to 100 bar in the presence ofb) primary or secondary alcohols, the molar hydrogen/alcohol ratio being at most 800.
摘要翻译：在通过在升高的温度和升高的压力下，在由主要VI族和/或第IV族的氧化物组成或包含氢化组分的催化剂存在下，在羧酸或其酯的气相氢化制备醇的方法中，氢化是在b）伯醇或仲醇的存在下，在250℃至400℃和5巴至100巴下进行a），氢/醇摩尔比为至多800。

2. 发明授权

US5783711A Process for the preparation of heterocyclic aldehydes 失效
标题翻译：制备杂环醛的方法
公开(公告)号：US5783711A
公开(公告)日：1998-07-21
申请号：US750121
申请日：1997-02-20
申请人： Werner Schnurr , Rolf Fischer , Joachim Wulff-Doring , Matthias Irgang , Horst Neuhauser
发明人： Werner Schnurr , Rolf Fischer , Joachim Wulff-Doring , Matthias Irgang , Horst Neuhauser
IPC分类号： C07D307/12 , B01J23/34 , C07D309/06 , C07D315/00 , C07D307/02
CPC分类号： B01J23/34 , C07D309/06
摘要： Preparation of heterocyclic aldehydes I ##STR1## (A, B=optionally substituted methylene groups; m, n=1 to 5; m+n>2), by hydrogenation of carboxylic acids IIa ##STR2## or one of their esters IIb derived from a C.sub.1 -C.sub.10 alcohol, at a temperature of from 200.degree. to 450.degree. C. over a catalyst. The end products are suitable as intermediates for herbicides of the cyclohexanone class.
摘要翻译： PCT No.PCT / EP95 / 02071 Sec。 371日期1997年2月20日 102（e）日期1997年2月20日PCT提交1995年5月31日PCT公布。 WO95 / 33741 PCT出版物日期1995年12月14日杂环醛的制备（I）（A，B =任选取代的亚甲基; + E，不同m + EE，+ E，不n + EE = 1〜5; + E， m + EE ++ E，uns n + EE> 2），通过羧酸IIa（IIa）或其衍生自C1-C10醇的酯IIb中的一种在200°至450°的温度下氢化在催化剂上。最终产品适合作为环己酮类除草剂的中间体。

3. 发明授权

US5508465A Preparation of aliphatic alpha, omega-aminonitriles in the gas phase 失效
标题翻译：在气相中制备脂族α，ω-氨基腈
公开(公告)号：US5508465A
公开(公告)日：1996-04-16
申请号：US373420
申请日：1995-01-17
申请人： Werner Schnurr , Joachim Wulff-Doring , Rolf Fischer , Rudolf Bazner
发明人： Werner Schnurr , Joachim Wulff-Doring , Rolf Fischer , Rudolf Bazner
IPC分类号： B01J23/755 , C07B61/00 , C07C253/30 , C07C255/24
CPC分类号： C07C253/30
摘要： Aliphatic alpha,omega-aminonitriles are prepared by partial hydrogenation of aliphatic alpha,omega-dinitriles at elevated temperatures in the presence of a catalyst in the gas phase by a process which comprises carrying out the hydrogenation with a catalyst based on at least one metal selected from the group consisting of nickel, cobalt, ruthenium and rhodium and with the proviso that the catalyst is not a powder.
摘要翻译：脂肪族α，ω-氨基腈通过脂肪族α，ω-二腈在升高的温度下在催化剂存在下在气相中的部分氢化制备，所述方法包括使用基于至少一种金属的催化剂进行氢化来自镍，钴，钌和铑组成的组，条件是催化剂不是粉末。

4. 发明授权

US5679869A Preparation of aldehydes 失效
标题翻译：醛的制备
公开(公告)号：US5679869A
公开(公告)日：1997-10-21
申请号：US567749
申请日：1995-12-05
申请人： Werner Schnurr , Rolf Fischer , Joachim Wulff-Doring , Michael Hesse
发明人： Werner Schnurr , Rolf Fischer , Joachim Wulff-Doring , Michael Hesse
IPC分类号： B01J23/10 , B01J23/06 , C07B61/00 , C07C45/41 , C07C47/02 , C07C47/105 , C07C47/14 , C07C47/19 , C07C47/198 , C07C47/228 , C07C47/28
CPC分类号： B01J23/06 , C07C45/41
摘要： A process for preparing aldehydes of the general formula I ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are each hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.8 -cycloalkyl, aryl, C.sub.7 -C.sub.12 -alkylphenyl, C.sub.7 -C.sub.12 -phenylalkyl and R.sup.1 and R.sup.2 are joined together to form a 3-, 4-, 5-, 6- or 7-membered cycloaliphatic ring, R.sup.1 and R.sup.3 are each C.sub.1 -C.sub.4 -alkoxy, phenoxy, methylamino, dimethylamino or halogen, and R.sup.1 is additionally hydroxyl or amino comprises reacting a carboxylic acid or ester of the general formula II ##STR2## where R.sup.1, R.sup.2 and R.sup.3 are each as defined above, and R.sup.4 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.8 -cycloalkyl, aryl, C.sub.7 -C.sub.12 -alkylphenyl or C.sub.7 -C.sub.12 -phenylalkyl, with hydrogen in the gas phase at temperatures from 200.degree. to 450.degree. C. and pressures from 0.1 to 20 bar in the presence of a catalyst whose catalytically active mass comprises from 60 to 99.9% by weight of zirconium oxide and from 0.1 to 40% by weight of one or more elements of the lanthanides.
摘要翻译：制备通式I（I）的醛的方法，其中R1，R2和R3各自为氢，C1-C6烷基，C3-C8-环烷基，芳基，C7-C12-烷基苯基，C7-C12- 苯基烷基和R 1和R 2连接在一起形成3-，4-，5-，6-或7-元环脂族环，R 1和R 3各自为C 1 -C 4 - 烷氧基，苯氧基，甲基氨基，二甲基氨基或卤素，R 1 另外羟基或氨基包括使通式II（II）的羧酸或酯与其中R 1，R 2和R 3各自如上所定义，R 4是氢，C 1 -C 6烷基，C 3 -C 8 - 环烷基，芳基，C 7 -C 12 - 烷基苯基或C 7 -C 12 - 苯基烷基，在气相中的氢气在200-450℃的温度和0.1至20巴的压力下，在催化剂存在下，其催化活性质量包含 60至99.9重量％的氧化锆和0.1至40重量％的一种或多种镧系元素。

5. 发明授权

US5763676A Preparation of aromatic aldehydes 失效
标题翻译：芳香醛的制备
公开(公告)号：US5763676A
公开(公告)日：1998-06-09
申请号：US793055
申请日：1997-02-14
申请人： Rolf Fischer , Matthias Irgang , Werner Schnurr , Joachim Wulff-Doring
发明人： Rolf Fischer , Matthias Irgang , Werner Schnurr , Joachim Wulff-Doring
IPC分类号： B01J23/10 , C07B61/00 , C07C45/41 , C07C47/542 , C07C47/575 , C07C67/313 , C07C221/00 , C07C223/06 , C07C253/30 , C07C255/56
CPC分类号： C07C45/41 , B01J23/10 , C07C67/313
摘要： Aromatic aldehydes are prepared by catalytically reacting aromatic carboxylic acids or their esters with hydrogen in the gas phase at from 200.degree. to 450.degree. C. and from 0.1 to 20 bar in the presence of a zirconium dioxide/lanthanide catalyst having a high BET surface area of from 20 to 150 m.sup.2 /g, preferably from 40 to 150 m.sup.2 /g. The proportions by weight of the catalytically active mass range from 80 to 99.9% by weight of zirconium dioxide and from 0.01 to 20 %by weight of one or more lanthanide elements. This catalyst provides very high conversion rates of 94 to 100% together with a correspondingly high selectivity for the aldehyde product.
摘要翻译： PCT No.PCT / EP95 / 03167 Sec。 371日期1997年2月14日 102（e）1997年2月14日PCT PCT 1995年8月10日PCT公布。公开号WO96 / 05161 日期1996年2月22日芳族醛通过在二氧化锆/镧系元素催化剂存在下，在200〜450℃和0.1-20巴的气相中使芳香族羧酸或其酯与氢气进行催化反应来制备，高BET表面积为20至150m2 / g，优选为40至150m2 / g。催化活性物质的重量比范围为80-99.9重量％的二氧化锆和0.01至20重量％的一种或多种镧系元素。该催化剂提供94至100％的非常高的转化率以及醛产物相应的高选择性。

6. 发明授权

US06384154B1 Preparation of halogen-free, reactive polyisobutene 失效
标题翻译：无卤素，反应性聚异丁烯的制备
公开(公告)号：US06384154B1
公开(公告)日：2002-05-07
申请号：US09744256
申请日：2001-01-31
申请人： Christoph Sigwart , Thomas Narbeshuber , Eugen Gehrer , Rolf Fischer , Ulrich Steinbrenner , Shelue Liang
发明人： Christoph Sigwart , Thomas Narbeshuber , Eugen Gehrer , Rolf Fischer , Ulrich Steinbrenner , Shelue Liang
IPC分类号： C08F11010
CPC分类号： C08F110/10 , C08F2/00 , C08F4/10 , C08F4/26 , C08F4/24 , C08F4/12 , C08F4/06 , C08F4/18 , C08F4/22
摘要： A process for preparing halogen-free, reactive polyisobutene having a terminal double bond content of more than 60 mol % and an average molecular weight Mn of 800-3000 dalton by cationic polymerization in the liquid phase of isobutene over an acidic, essentially halogen-free heterogeneous catalyst, where a) a hydrocarbon mixture of essentially C4-hydrocarbons comprising isobutene in an amount of from 10 to 80% by weight is used as the starting material and b) polymerization is carried out continuously at from −30 to 0° C. with average starting material residence times of one hour or less, where the temperature and the residence time are selected such that the isobutene conversion is less than 60% and, after separation from the resulting polyisobutene, the isobutene is either enriched in the partially converted hydrocarbon mixture and returned to the polymerization or passed to another isobutene reaction coupled with the polymerization.
摘要翻译：一种通过阳离子聚合在异丁烯液相中酸性，基本上不含卤素的方式制备末端双键含量大于60mol％，平均分子量Mn为800-3000道尔顿的无卤素的活性聚异丁烯的方法非均相催化剂，其中将基本上含有10-80重量％异丁烯的C 4烃的烃混合物用作原料，和b）在-30℃至0℃下连续进行聚合，平均起始材料停留时间为1小时或更短，其中选择温度和停留时间使得异丁烯转化率小于60％，并且在从所得聚异丁烯分离后，异丁烯富含部分转化的烃混合物，返回聚合反应或通过与聚合偶联的另一异丁烯反应。

7. 发明授权

US06429339B1 Method for producing cyclopentanone 失效
标题翻译：环戊酮生产方法
公开(公告)号：US06429339B1
公开(公告)日：2002-08-06
申请号：US09700365
申请日：2000-11-15
申请人： Shelue Liang , Rolf Fischer , Frank Stein , Joachim Wulff-Döring
发明人： Shelue Liang , Rolf Fischer , Frank Stein , Joachim Wulff-Döring
IPC分类号： C07C4500
CPC分类号： B01J23/10 , C07C45/48 , C07C49/395
摘要： A process for preparing cyclopentanone by reacting adipic esters of the formula R1OOC—(CH2)4—COOR2 I where R1 and R2 are each alkyl having from 1 to 12 carbon atoms, cycloalkyl having 5 or 6 carbon atoms, aralkyl or aryl and R2 may additionally be hydrogen, in the presence of oxidic catalysts comprises reacting adipic esters of the formula I having less than 5% by weight of by-products other than adipic esters in the gas phase in the presence of water, a carrier gas and a) from 0.01 to 10% by weight of at least one metal oxide selected from the first or second main group of the periodic table or from the group of the rare earth metals on titanium dioxide or zirconium dioxide as catalyst support, or b) from 0.01 to 50% by weight of at least one metal oxide selected from the second main group of the periodic table on zink oxide as catalyst support.
摘要翻译：通过使式R 1和R 2的己二酸酯反应制备环戊酮的方法各自是在氧化催化剂存在的情况下，可以另外为氢，其中R 1和R 2各自为具有1至12个碳原子的烷基，具有5或6个碳原子的环烷基或芳基，包括使式I的己二酸酯在水，载气的存在下，在气相中具有小于5重量％的除己二酸酯之外的副产物，和（ii）0.01至10重量％的至少一种金属氧化物，其选自周期表的第一或第二主族，或者来自稀土金属的二氧化钛或二氧化锆的组，作为催化剂载体，orb）为0.01至50重量％的至少一种选自氧化锌作为催化剂载体的周期表第二主要组。

8. 发明授权

US06387224B1 Method for distilling mixtures containing butanediol 有权
标题翻译：蒸馏含丁二醇的混合物的方法
公开(公告)号：US06387224B1
公开(公告)日：2002-05-14
申请号：US09623109
申请日：2000-08-29
申请人： Rolf Pinkos , Rolf Fischer , Shelue Liang
发明人： Rolf Pinkos , Rolf Fischer , Shelue Liang
IPC分类号： B01D334
CPC分类号： C07D307/20 , C07C29/80 , C07C45/82 , C07C47/19 , C07C31/207
摘要： A process for the separation by distillation of a mixture of 1,4-butanediol and at least one 4-hydroxybutyraldehyde, its cyclic hemiacetal and its cyclic full acetals with at least one further alcohol by carrying out the distillation in the presence of an alkaline compound. The mixture to be separated preferably contains a cyclic full acetal of 4-hydroxybutyraldehyde with a further alcohol which has a lower boiling point than butanediol and also the further alcohol in free form. The process is particularly suitable for the separation by distillation of mixtures formed in the hydrogenation of maleic acid derivatives.
摘要翻译：通过在碱性化合物的存在下进行蒸馏来通过蒸馏分离1,4-丁二醇和至少一种4-羟基丁醛的混合物的方法，其环状半缩醛和其环状全缩醛与至少一种其它醇进行蒸馏。要分离的混合物优选含有4-羟基丁醛的环状全缩醛，另外具有低于丁二醇的沸点的醇，还有另外的游离形式的醇。该方法特别适用于通过蒸馏分离在马来酸衍生物的氢化中形成的混合物。

9. 发明授权

US06316659B1 Method for producing cyclopentanone and cyclopentene-1-carboxylic acid and their esters 失效
标题翻译：环戊酮和环戊烯-1-羧酸及其酯的制备方法
公开(公告)号：US06316659B1
公开(公告)日：2001-11-13
申请号：US09508008
申请日：2000-03-07
申请人： Rolf Fischer , Shelue Liang , Rolf Pinkos , Frank Stein
发明人： Rolf Fischer , Shelue Liang , Rolf Pinkos , Frank Stein
IPC分类号： C07C6974
CPC分类号： C07C51/377 , C07C45/54 , C07C67/333 , C07C49/395 , C07C61/20 , C07C69/74
摘要： A process for preparing cyclopentanone and cyclopentene-1-carboxylic acid or an ester thereof of the formula I where R is hydrogen or an aliphatic radical having 1-6 carbon atoms or a cycloaliphatic, araliphatic or aromatic radical having 6-12 carbon atoms comprises heating a compound of the formula II X—(CH2)4—COOR II where X is formyl or hydroxymethyl and R is defined as above, and/or a compound which is converted into a compound of the formula II by reaction with water or alcohols ROH under the reaction conditions to from 200 to 450° C. in the gas or liquid phase in the presence of a heterogeneous oxidic catalyst.
摘要翻译：制备式I的环戊酮和环戊烯-1-羧酸或其酯的方法，其中R是氢或具有1-6个碳原子的脂族基团或具有6-12个碳原子的脂环族，芳脂族或芳族基团包括加热式II的化合物，其中X是甲酰基或羟甲基，R如上定义，和/或在反应条件下与水或醇ROH反应转化为式II化合物的化合物为200-450℃ 在气相或液相中存在非均相氧化催化剂。

10. 发明授权

US06316640B1 Preparation of tetrahydrofuran 有权
标题翻译：四氢呋喃的制备
公开(公告)号：US06316640B1
公开(公告)日：2001-11-13
申请号：US09396356
申请日：1999-09-15
申请人： Rolf Fischer , Shelue Liang , Rolf Pinkos
发明人： Rolf Fischer , Shelue Liang , Rolf Pinkos
IPC分类号： C07D30708
CPC分类号： C07D307/08 , Y02P20/582
摘要： In a process for preparing THF (tetrahydrofuran) by reaction of a 1,4-butanediol-containing reaction mixture over an acid catalyst, the reaction mixture comprises further alcohols different from 1,4-butanediol and is essentially free of water.
摘要翻译：在通过在酸催化剂上通过含1,4-丁二醇的反应混合物反应制备THF（四氢呋喃）的方法中，反应混合物包含与1,4-丁二醇不同的基本上不含水的其它醇。

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