公开(公告)号：US5249850A

公开(公告)日：1993-10-05

申请号：US791735

申请日：1991-09-30

申请人： Wolfgang Kampfmann ,  Dieter Voges ,  Volker Braschel

发明人： Wolfgang Kampfmann ,  Dieter Voges ,  Volker Braschel

IPC分类号： B60T8/66 ,  B60T8/173 ,  B60T8/1761 ,  B60T8/32 ,  B60T8/58 ,  B60T8/78 ,  B60T8/92

CPC分类号： B60T8/173

摘要： In a method of controlling the brake pressure of a vehicle brake system equipped with anti-lock protection it is provided to measure the slip and/or rotational retardation of a wheel whose brake is applied and to compare each measured value with a given threshold value so as to lower the brake pressure if the threshold value proves to have been surpassed. Undesired pressure reductions can be avoided by increasing the threshold value for given periods of time from a basic value (S.sub.G) and subsequently decreasing it again. At a point in time T.sub.1 at which the rotational retardation of the braked wheel is greater than a value corresponding to a physically feasible slowdown of the vehicle the threshold value is increased abruptly, to be decreased thereafter according to a predetermined function of time. During the lowering of the threshold value the change in speed of the retarded wheel is measured over given intervals of time .DELTA.T and compared with the instantaneous higher threshold value. If the comparison demonstrates that the change in speed in question is greater than the instantaneous raise in threshold value, the threshold value is reduced to the basic value (S.sub. G).

摘要翻译： 在控制具有防抱死保护的车辆制动系统的制动压力的方法中，提供了用于测量施加制动器的车轮的滑移和/或旋转延迟并将每个测量值与给定阈值进行比较的方法 如果阈值被证明已被超越，则降低制动压力。 通过从基本值（SG）增加给定时间段的阈值并随后再次减少，可以避免不期望的压力降低。 在制动轮的旋转延迟大于对应于物理上可行的车辆减速的值的时间点T1，阈值突然增加，此后根据预定的时间功能而减小。 在降低阈值期间，在给定的时间间隔DELTA T上测量延迟轮的速度变化，并与瞬时更高的阈值进行比较。 如果比较表明所讨论的速度变化大于阈值瞬时提升，则阈值降低到基本值（S G）。

公开(公告)号：US5342118A

公开(公告)日：1994-08-30

申请号：US39439

申请日：1993-04-30

申请人： Wolfgang Kampfmann ,  Hubert Schmitt ,  Dieter Voges

发明人： Wolfgang Kampfmann ,  Hubert Schmitt ,  Dieter Voges

IPC分类号： B60T8/66 ,  B60T8/173 ,  B60T8/1763 ,  B60T8/62 ,  B60T8/64 ,  B60T8/70

CPC分类号： B60T8/173

摘要： An anti-lock braking method to retard the wheels of a vehicle provides thatbrake pressure be augmented or reduced or maintained constant in response to slip and/or the change in the rotational speed (positive or negative deceleration) of a retarded wheel as related to at least one threshold value, andthe respective renewed accelerations of the retarded wheels be measured during successive control cycles of the anti-lock braking so as to raise the threshold value or prevent a reduction of the brake pressure for a predetermined period of time in order to suppress undesired control operations which are releasable above all by oscillations of the vehicle axle. To avoid interference of the ABS control by axle oscillations, it is provided thata raised threshold value is maintained for a given period of time and then lowered once more to the basic value if no wheel retardation is measured and the threshold value is not exceeded either during this given period of time, the given period of time being somewhat longer than one axle oscillation period of a vehicle axle, whereasin the event that the threshold value is failed to be reached within the given period of time, this will not initiate a reduction of the brake pressure of the wheel, and a period of time will be measured during which the threshold value remains to be fallen short of, andin the event that this measured period of time is shorter than a predetermined period of time, reduction of the brake pressure continues to be precluded for an additional period of time which is at least as long as one typical axle oscillation period of the vehicle axle.

摘要翻译： 用于延迟车辆的车轮的防抱死制动方法提供了制动压力响应于延迟轮的滑动和/或转速（正或负减速度）的变化而增大或减小或保持恒定，与 至少一个阈值，并且在防抱死制动的连续控制循环期间测量延迟轮的相应的更新的加速度，以便提高阈值或者防止制动压力降低预定时间段 以抑制首先通过车辆轴的振荡而可释放的不期望的控制操作。 为了避免ABS控制通过轴振动的干扰，提供了在给定时间段内保持升高的阈值，然后如果没有测量车轮延迟并且不超过阈值，则再次降低到基本值 在给定的时间段内，给定的时间段比车轴的一个轴振荡周期稍长，而在给定的时间段内不能达到阈值的情况下，这不会启动 将测量车轮的制动压力的降低和一段时间，在此期间阈值将保持不足，并且在该测量的时间段短于预定时间段的情况下，减少 制动压力继续被排除了至少与车轴的一个典型轴振荡周期一样长的时间段。

公开(公告)号：US4049571A

公开(公告)日：1977-09-20

申请号：US688763

申请日：1976-05-21

申请人： Axel Nissen ,  Werner Fliege ,  Dieter Voges

发明人： Axel Nissen ,  Werner Fliege ,  Dieter Voges

IPC分类号： B01J23/80 ,  C07B61/00 ,  C07C45/00 ,  C07C45/62 ,  C07C45/72 ,  C07C45/73 ,  C07C45/74 ,  C07C67/00 ,  B01J31/04

CPC分类号： C07C45/62 ,  B01J23/80 ,  C07C45/72 ,  C07C45/73 ,  C07C45/74

摘要： A process for the manufacture of a catalyst capable of causing condensation of aldehydes with ketones or ketones with each other while simultaneously hydrogenating the resulting olefinically unsaturated ketones to saturated ketones in the presence of hydrogen without attacking the ketone group, and containing zinc in addition to nickel or cobalt. The catalyst is subjected, prior to use, to a surface after-treatment with a zinc salt.

摘要翻译： 制造能够使醛与酮或酮彼此缩合的催化剂的方法，同时在氢的存在下将所得的烯属不饱和酮氢化成饱和酮而不攻击酮基，并且除镍以外含有锌 或钴。 催化剂在使用前用锌盐进行表面后处理。

公开(公告)号：US5248496A

公开(公告)日：1993-09-28

申请号：US599828

申请日：1990-10-19

申请人： Ludwig Schuster ,  Dieter Voges

发明人： Ludwig Schuster ,  Dieter Voges

IPC分类号： C01G55/00

CPC分类号： C01G55/004

摘要： Ruthenium tetroxide is obtained by oxidation of an alkali metal ruthenate in aqueous solution. The oxidizing agent used is ozone. The oxidation is carried out at a pH greater than or equal to 8.

摘要翻译： 通过在水溶液中氧化碱金属钌酸盐获得四氧化钌。 所使用的氧化剂是臭氧。 在大于或等于8的pH下进行氧化。

公开(公告)号：US4539415A

公开(公告)日：1985-09-03

申请号：US587163

申请日：1984-03-07

申请人： Herbert Mueller ,  Dieter Voges

发明人： Herbert Mueller ,  Dieter Voges

IPC分类号： C07D307/20

CPC分类号： C07D307/20

摘要： A process for the preparation of 3-hydroxytetrahydrofuran by catalytic dehydration of butane-1,2,4-triol, in which a catalyst chosen from the group of the bleaching earths is used and the dehydration is carried out in the presence of not less than 3 moles of water per mole of butane-1,2,4-triol.

摘要翻译： 通过丁烷-1,2,4-三醇的催化脱水制备3-羟基四氢呋喃的方法，其中使用选自漂白土组的催化剂，并且在不少于 每摩尔丁烷-1,2,4-三醇3摩尔水。

公开(公告)号：US4386208A

公开(公告)日：1983-05-31

申请号：US283651

申请日：1981-07-15

申请人： Walter Rebafka ,  Juergen Schossig ,  Wolfgang Reiss ,  Dieter Voges

发明人： Walter Rebafka ,  Juergen Schossig ,  Wolfgang Reiss ,  Dieter Voges

IPC分类号： C07D263/44 ,  B01J23/00 ,  C07B61/00 ,  C07D295/023 ,  C07D295/02

CPC分类号： C07D295/023

摘要： N-Alkylpiperidines or N-alkylpyrrolidines are obtained by hydrogenating a corresponding N-alkyldicarboxylic acid imide over a fixed catalyst by first working to only partial conversion, for example of about 50%, and distilling off the required product together with water from the partially converted mixture, where appropriate with recycling of the unconverted remainder.

摘要翻译： N-烷基哌啶或N-烷基吡咯烷酮是通过首先将部分转化率例如约50％进行部分转化而氢化相应的N-烷基二羧酸酰亚胺而得到的，并将所需产物与来自部分转化的 混合物，酌情回收未转化的剩余物。

公开(公告)号：US4287099A

公开(公告)日：1981-09-01

申请号：US143486

申请日：1980-04-24

申请人： Karl Baer ,  Wolfgang Reiss ,  Wolfgang Schroeder ,  Dieter Voges

发明人： Karl Baer ,  Wolfgang Reiss ,  Wolfgang Schroeder ,  Dieter Voges

IPC分类号： B01J23/88 ,  C07B61/00 ,  C07C27/00 ,  C07C29/154 ,  C07C29/17 ,  C07C31/02 ,  C07C31/20 ,  C07C67/00 ,  B01J21/04 ,  B01J23/72 ,  B01J23/84

CPC分类号： B01J23/8898 ,  C07C29/172

摘要： A process for the preparation of a hydrogenation catalyst which contains the oxides of the metals nickel, copper, molybdenum and aluminum and/or iron, and may or may not contain manganese oxide, by precipitating a solution of salts of the metals with an alkali metal carbonate at from 35.degree. to 95.degree. C. and a pH of from 5 to 9 and heating the precipitate at from 350.degree. to 700.degree. C., the amount of the metal salts being selected so that the catalyst contains from 5 to 70 percent by weight of aluminum oxide and/or iron oxide, the remainder being principally nickel oxide and, based on nickel oxide, from 20 to 40 percent by weight of copper oxide, from 0.5 to 6 percent by weight of molybdenum oxide and from 0 to 10 percent by weight of manganese oxide.

摘要翻译： 制备含有金属镍，铜，钼和铝和/或铁的氧化物的氢化催化剂的方法，并且可以或可以不含氧化锰，通过用碱金属沉淀金属盐溶液 35至95℃的碳酸盐和5至9的pH，并在350℃至700℃下加热沉淀物，选择金属盐的量使催化剂含有5-70％ 的氧化铝和/或氧化铁，其余部分主要是氧化镍，以氧化镍为基准，为氧化铜为20〜40重量％，氧化钼为0.5〜6重量％，氧化钼为0〜10 重量百分比的氧化锰。

公开(公告)号：US5288911A

公开(公告)日：1994-02-22

申请号：US872917

申请日：1992-04-22

申请人： Gerhard Koppenhoefer ,  Wolfgang Schroeder ,  Dieter Voges

发明人： Gerhard Koppenhoefer ,  Wolfgang Schroeder ,  Dieter Voges

IPC分类号： C07C213/02 ,  C07C209/16

CPC分类号： C07C213/02

摘要： Preparation of .alpha.,.omega.-aminoalcohols of the general formula IHO--CH.sub.2 --X--CH.sub.2 --NH.sub.2 (I),in which x denotes a C.sub.1 -C.sub.20 -alkylene chain optionally substituted by inert radicals and/or optionally interrupted by oxygen or nitrogen,by the reaction of .alpha.,.omega.-alkanediols of the general formula IIHO--CH.sub.2 --X--CH.sub.2 --OH (II),in which the connecting member x has the meanings stated above, with ammonia and a catalyst at a temperature ranging from 150.degree. to 300.degree. C. and under a pressure of from 50 to 300 bar, wherein the catalyst used is one whose catalytically active material consists of iron to an extent of from 5 to 100% w/w.

摘要翻译： 制备通式为I-HO-CH2-X-CH2-NH2（Ⅰ）的α，ω-氨基醇，其中x表示任选被惰性基团取代的C1-C20-亚烷基链和/或任选被氧或氮中断的 通过其中连接构件x具有上述含义的通式II HO-CH2-X-CH2-OH（Ⅱ）的α，ω-烷二醇与氨和催化剂在 150℃至300℃，压力为50至300巴，其中使用的催化剂是其催化活性物质由铁组成至5至100％w / w程度的催化剂。

公开(公告)号：US4736030A

公开(公告)日：1988-04-05

申请号：US791112

申请日：1985-10-24

申请人： Herbert Mueller ,  Dieter Voges ,  Wolfgang Lengsfeld

发明人： Herbert Mueller ,  Dieter Voges ,  Wolfgang Lengsfeld

IPC分类号： C07D295/02 ,  C07D295/023 ,  C07D405/04

CPC分类号： C07D295/023

摘要： 1-Alkyl- or 1-cycloalkylpiperazines are prepared by reacting piperazine with an alkanol or cycloalkanol in the presence of hydrogen and a hydrogenation/dehydrogenation catalyst by a process in which the reaction is carried out at from 130.degree. to 190.degree. C. under from 5 to 100 bar in the presence of from 5 to 40% by weight, based on the reaction mixture, of water, and the molar ratio of piperazine to alkanol or cycloalkanol is kept at from 1:1.5 to 1:8.

摘要翻译： 1-烷基 - 或1-环烷基哌嗪通过在氢气和氢化/脱氢催化剂的存在下使哌嗪与链烷醇或环烷醇反应来制备，其中反应在130-190℃下进行， 在5至40重量％的存在下，基于反应混合物，水的摩尔比为5至100巴，哌嗪与链烷醇或环烷醇的摩尔比保持在1:1.5至1:8。

公开(公告)号：US4072714A

公开(公告)日：1978-02-07

申请号：US765762

申请日：1977-02-04

申请人： Dieter Voges ,  Karl Baer ,  Juergen Boudier ,  Siegfried Winderl ,  Herwig Hoffmann

发明人： Dieter Voges ,  Karl Baer ,  Juergen Boudier ,  Siegfried Winderl ,  Herwig Hoffmann

IPC分类号： B01J23/88 ,  C07C89/00 ,  C07C29/00

CPC分类号： B01J23/8898

摘要： An improved catalyst for the complete hydrogenation of acetylenically unsaturated alcohols and based on nickel, copper and manganese. The catalyst is used without a support and molybdenum is additionally included in an amount approximately equal to the content of manganese.

摘要翻译： 用于炔属不饱和醇的完全氢化并基于镍，铜和锰的改进的催化剂。 催化剂不需要载体就可以使用，钼的含量大约等于锰的含量。