-
公开(公告)号：US4162200A
公开(公告)日：1979-07-24
申请号：US871547
申请日：1978-01-23
申请人： Walter Himmele , Karl Fischer , Gerd Kaibel , Kurt Schneider , Rudolf Irnich
发明人： Walter Himmele , Karl Fischer , Gerd Kaibel , Kurt Schneider , Rudolf Irnich
CPC分类号： C07C68/065 , C07C68/08
摘要： Dimethyl carbonate is obtained pure, from its solutions in methanol, by extractive distillation carried out with a temperature of from 60.degree. C. at the top to 250.degree. C. at the bottom of the column and employing, as the extractant, an aprotic organic liquid which is substantially inert toward dimethyl carbonate, boils at above 100.degree. C. at standard pressure, is miscible with dimethyl carbonate in all proportions and has a dielectric constant .epsilon. of from 4 to 90 and a dipole moment .mu. of from 1.5 to 5 Debye.
摘要翻译： 碳酸二甲酯从其甲醇溶液中通过萃取蒸馏得到，温度为60℃，塔顶至250℃，采用萃取剂为非质子有机物 对碳酸二甲酯基本上是惰性的液体在标准压力下在高于100℃下沸腾，与所有比例的碳酸二甲酯混溶，并且介电常数ε为4-90，偶极矩μ为1.5至5德拜 。
-
公开(公告)号：US4874899A
公开(公告)日：1989-10-17
申请号：US206731
申请日：1988-06-15
IPC分类号： C07C45/59 , C07C49/11 , C07C49/203 , C07C49/21
CPC分类号： C07C45/59 , C07C49/11 , C07C49/203 , C07C49/21 , Y02P20/582
摘要： Unsaturated ketones of the formula ##STR1## and saturated ketones of the formula ##STR2## where R.sup.1, R.sup.2 and R.sup.3 are each hydrogen, alkyl of 1 to 12 carbon atoms or a cycloalkyl, aryl, aralkyl or alkylaryl radical which inturn may be substituted, or R.sup.1 and R.sup.3 or R.sup.2 and R.sup.3, together with the carbon atoms to which they are bonded, may form a cycloalkane, are prepared by a process in which a 5-methylene-1,3-dioxolanone which is substituted in the 4-position and is of the forumla ##STR3## where R.sup.1, R.sup.2 and R.sup.3 have the above meanings, (a) for the preparation of an unsaturated ketone, is converted in the presence of a zeolite, of a phosphate having a zeolite structure and/or of B, Ce, Fe, Zr or Sr phosphate as catalysts and (b) for the preparation of a saturated ketone, is converted in the presence of the same catalysts which additionally carry one or more hydrogenation components.
摘要翻译： 其中R1，R2和R3各自为氢，1至12个碳原子的烷基或可以被取代的环烷基，芳基，芳烷基或烷基芳基，其中式（IMAGE）的不饱和酮和式“IMAGE”的饱和酮， 或R 1和R 3或R 2和R 3与它们所键合的碳原子一起形成环烷烃的方法通过以下方法制备：其中在4-位被取代的5-亚甲基-1,3-二氧杂环戊酮 并且是其中R1，R2和R3具有上述含义的论文（a），（a）制备不饱和酮的方法，在沸石存在下，具有沸石结构的磷酸盐和/或 B，Ce，Fe，Zr或Sr磷酸盐作为催化剂，（b）制备饱和酮的催化剂在相同催化剂的存在下转化，另外还含有一种或多种氢化组分。
-
公开(公告)号：US3931336A
公开(公告)日：1976-01-06
申请号：US389479
申请日：1973-08-20
申请人： Kurt Schneider
发明人： Kurt Schneider
CPC分类号： C25D3/16
摘要： Production of oxyalkylated acetylenic alcohols by reaction of acetylenic alcohols with alkylene oxides in the presence of phosphines, polar aprotic solvents or thioethers.
摘要翻译： 在膦，极性非质子溶剂或硫醚的存在下，通过炔属醇与环氧烷反应制备烷氧基化炔属醇。
-
公开(公告)号：US08950507B2
公开(公告)日：2015-02-10
申请号：US13059768
申请日：2009-08-06
申请人： Kurt Schneider , Jeremie Monnin , Edwin Reinhard
发明人： Kurt Schneider , Jeremie Monnin , Edwin Reinhard
CPC分类号： B23Q1/70 , B23Q1/34 , B23Q11/0032 , B24B41/042
摘要： A device and a method for preventing vibrations (19) in a rotating spindle (1) mounted in at least one front 8 and one rear bearing (9) in a machine tool, wherein the device comprises measuring units (2, 3, 4, 5) for detecting the vibrations (19) and correction device (6) for preventing the vibrations (19) disposed directly about the periphery (10, 11) of the spindle (1) in a contacting or non-contacting manner and that a control unit (7) for processing the measuring units (2, 3, 4, 5) and for calculating the correction values for the correction device (6) is assigned to this device.
摘要翻译： 一种用于防止安装在机床中的至少一个前部8和一个后部轴承（9）中的旋转主轴（1）中的振动（19）的装置和方法，其中所述装置包括测量单元（2,3,4， 5）用于检测振动（19）和校正装置（6），用于防止以接触或非接触方式围绕心轴（1）的周边（10,11）直接设置的振动（19），并且控制 将用于处理测量单元（2,3,4,5）并用于计算校正装置（6）的校正值的单元（7）分配给该装置。
-
公开(公告)号：US20110186323A1
公开(公告)日：2011-08-04
申请号：US13059768
申请日：2009-08-06
申请人： Kurt Schneider , Jeremie Monnin , Edwin Reinhard
发明人： Kurt Schneider , Jeremie Monnin , Edwin Reinhard
IPC分类号： E21B3/00
CPC分类号： B23Q1/70 , B23Q1/34 , B23Q11/0032 , B24B41/042
摘要： A device and a method for preventing vibrations (19) in a rotating spindle (1) mounted in at least one front 8 and one rear bearing (9) in a machine tool, wherein the device comprises measuring units (2, 3, 4, 5) for detecting the vibrations (19) and correction means (6) for preventing the vibrations (19) disposed directly about the periphery (10, 11) of the spindle (1) in a contacting or non-contacting manner and that a control unit (7) for processing the measuring units (2, 3, 4, 5) and for calculating the correction values for the correction means (6) is assigned to this device.
摘要翻译： 一种用于防止安装在机床中的至少一个前部8和一个后部轴承（9）中的旋转主轴（1）中的振动（19）的装置和方法，其中所述装置包括测量单元（2,3,4， 5）用于检测振动（19）和校正装置（6），用于防止以接触或非接触的方式围绕心轴（1）的周边（10,11）直接设置的振动（19），并且控制 将用于处理测量单元（2,3,4,5）和用于计算校正装置（6）的校正值的单元（7）分配给该装置。
-
公开(公告)号：US4804758A
公开(公告)日：1989-02-14
申请号：US105537
申请日：1987-10-08
申请人： Wolfgang Hoelderich , Kurt Schneider , Walter Best
发明人： Wolfgang Hoelderich , Kurt Schneider , Walter Best
IPC分类号： C07D487/08
CPC分类号： C07D487/08 , Y02P20/582
摘要： 1,4-Diazabicyclo[2.2.2]octane and C-substituted 1,4-diazabicyclo[2.2.2]octanes of the formula (I) ##STR1## where R.sup.1 and R.sup.2 are each hydrogen or alkyl or alkenyl, each of 1 to 4 carbon atoms, are prepared from a heterocyclic amine of the formula (II) ##STR2## where R.sup.1 and R.sup.2 have the above meanings, R.sup.3 is hydrogen, hydroxyethyl or aminoethyl and X is hydroxyl or amino, in the presence of borosilicate and/or iron silicate zeolites as catalysts. Particularly suitable catalysts are the borosilicate and iron silicate zeolites of the pentasil type.
摘要翻译： 式（I）的1,4-二氮杂双环[2.2.2]辛烷和C-取代的1,4-二氮杂双环[2.2.2]辛烷其中R 1和R 2各自为氢或烷基或链烯基， 每个1-4个碳原子由式（II）的杂环胺制备，其中R 1和R 2具有上述含义，R 3是氢，羟乙基或氨基乙基，X是羟基或氨基，在 硼硅酸盐和/或铁硅酸盐沸石作为催化剂的存在。 特别合适的催化剂是pentasil型的硼硅酸盐和硅酸铁沸石。
-
公开(公告)号：US4035438A
公开(公告)日：1977-07-12
申请号：US581753
申请日：1975-05-29
申请人： Werner Nielinger , Rolf Dhein , Kurt Schneider , Peter Tacke
发明人： Werner Nielinger , Rolf Dhein , Kurt Schneider , Peter Tacke
CPC分类号： C08L77/00
摘要： Polymer mixtures consisting essentially ofA. a polyethylene with a melt index of above 15 g/10 min,B. a graft polymer of an ethylene/(meth)acrylic acid copolymer as graft substrate and grafted polymerized units of .epsilon.-caprolactam, andC. a poly-.epsilon.-caprolactam.
摘要翻译： 聚合物混合物，主要由A.聚乙烯，熔体指数高于15g / 10min，B.乙烯/（甲基）丙烯酸共聚物作为接枝基材的接枝聚合物和ε-己内酰胺的接枝聚合单元，C 聚ε-己内酰胺。
-
8.发明授权
公开(公告)号：US3948978A
公开(公告)日：1976-04-06
申请号：US529346
申请日：1974-12-04
申请人： Harry Distler , Kurt Schneider
发明人： Harry Distler , Kurt Schneider
CPC分类号： C07C67/26
摘要： The production of glycol monoesters of .alpha.,.beta.-unsaturated carboxylic acids of three or four carbon atoms and 1,2-diols of two to four carbon atoms by the reaction of acids with 1,2-alkylene oxides of two to four carbon atoms at elevated temperature in the presence of catalysts and polymerization initiators and also of molecular oxygen as an additional agent for suppressing polymerization.
摘要翻译： 通过酸与2至4个碳原子的1,2-亚烷基氧反应生产3或4个碳原子的α，β-不饱和羧酸和2至4个碳原子的1,2-二醇的乙二醇单酯 在催化剂和聚合引发剂的存在下升高温度，还有分子氧作为抑制聚合的另外的试剂。
-
公开(公告)号：US08684643B2
公开(公告)日：2014-04-01
申请号：US12741866
申请日：2008-11-04
申请人： Kurt Schneider , Dominique Steffen
发明人： Kurt Schneider , Dominique Steffen
CPC分类号： H02K1/32 , B23Q11/127 , H02K9/19
摘要： A shaft cooler (1) for a tool motor spindle (2), which has a rotating shaft (3), a static lance (4), and at least one coolant loop (7), which comprises a coolant inlet (5) and a coolant outlet (6), said shaft cooler being implemented such that the flow of the coolant from the static lance (4) into the rotating shaft (3) is performed via a flow path that includes radially-extending cooling holes (31) to cause the coolant to flow from a radially inside location to a radially outside location.
摘要翻译： 一种用于工具电动机主轴（2）的轴冷却器（1），其具有旋转轴（3），静态喷枪（4）和至少一个冷却剂回路（7），其包括冷却剂入口（5）和 冷却剂出口（6），所述轴冷却器被实施为使得冷却剂从静态喷枪（4）流入旋转轴（3）的流动经由包括径向延伸的冷却孔（31）至 导致冷却剂从径向内部位置流动到径向外部位置。
-
公开(公告)号：US4866210A
公开(公告)日：1989-09-12
申请号：US144372
申请日：1988-01-15
CPC分类号： C07C45/65 , C07C45/673 , C07C45/676 , Y02P20/582
摘要： Ketones of the formula ##STR1## where R.sup.1 to R.sup.3 are each hydrogen and R.sup.1 to R.sup.4 are each alkyl of 1 to 12 carbon atoms, cycloalkyl of 4 to 8 carbon atoms, aryl, aralkyl or alkylaryl, which each in turn may be substituted, or R.sup.1 and R.sup.2 and R.sup.3 together with the carbon atoms to which they are bonded form a cycloalkane, are prepared by reacting ketones of the formula ##STR2## where one of R.sup.1, R.sup.2, R.sup.3 and R.sup.5 is hydroxyl, alkoxy or carboxyl while the remaining R.sup.1 to R.sup.4 have the abovementioned meanings, with hydrogen in the presence of acid catalysts supporting one or more hydrogenation components, zeolites of the pentasil type being particularly suitable.
摘要翻译： 其中R 1至R 3各自为氢且R 1至R 4各自为具有1至12个碳原子的烷基，4至8个碳原子的环烷基，芳基，芳烷基或烷基芳基的式“IMAGE”的酮，其各自依次可被取代， 或者R 1和R 2和R 3与它们所键合的碳原子一起形成环烷烃，是通过使下式的酮反应制备的：其中R1，R2，R3和R5之一是羟基，烷氧基或羧基，而其余的 R1至R4具有上述含义，在负载一种或多种氢化组分的酸催化剂存在下用氢气，pentasil型沸石是特别合适的。
-
-
-
-
-
-
-
-
-
搜索结果
31 条记录 (耗时 0.022 秒)
