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1. 发明授权

US08980133B2 Semiconductor nanocrystals and compositions and devices including same 有权
标题翻译：半导体纳米晶体及其组成和装置，包括它们
公开(公告)号：US08980133B2
公开(公告)日：2015-03-17
申请号：US12454709
申请日：2009-05-21
申请人： Dorai Ramprasad
发明人： Dorai Ramprasad
IPC分类号： C09K11/02 , C09K11/08 , C09K11/54 , C09K11/56 , C09K11/70 , C09K11/72 , C09K11/77
CPC分类号： H01L33/06 , C09K11/565 , H01L33/0029 , H01L33/28
摘要： A semiconductor nanocrystal capable of emitting light with an improved photoluminescence quantum efficiency. The present invention further relates to compositions and devices including semiconductor nanocrystals capable of emitting light with an improved photoluminescence quantum efficiency. A semiconductor nanocrystal wherein the semiconductor nanocrystal is capable of emitting light with a photoluminescence quantum efficiency greater than about 50% upon excitation and including a maximum peak emission with a FWHM less than 20 nm is disclosed. Also disclosed are a device, a population of semiconductor nanocrystals, and a composition including a semiconductor nanocrystal wherein the semiconductor nanocrystal is capable of emitting light with a photoluminescence quantum efficiency greater than about 50% upon excitation and including a maximum peak emission with a FWHM less than 20 nm. A semiconductor nanocrystal that is capable of emitting light upon excitation with a photoluminescence quantum efficiency greater than about 90%. Also disclosed are a device, a population, and a composition including a semiconductor nanocrystal.
摘要翻译：能够发射具有改善的光致发光量子效率的光的半导体纳米晶体。本发明还涉及包含能够发射具有改善的光致发光量子效率的光的半导体纳米晶体的组合物和器件。公开了一种半导体纳米晶体，其中半导体纳米晶体能够在激发时发射具有大于约50％的光致发光量子效率并且包括具有小于20nm的FWHM的最大峰值发射的光。还公开了一种器件，半导体纳米晶体群和包含半导体纳米晶体的组合物，其中半导体纳米晶体在激发时能够发射具有大于约50％的光致发光量子效率的光，并且包括FWHM较小的最大峰值发射超过20nm。能够在光致发光量子效率大于约90％的激发下发光的半导体纳米晶体。还公开了包括半导体纳米晶体的器件，群体和组合物。

2. 发明申请

US20100044635A1 Blue emitting semiconductor nanocrystals and compositions and devices including same 有权
标题翻译：蓝色发光半导体纳米晶体及其组成和装置，包括它们
公开(公告)号：US20100044635A1
公开(公告)日：2010-02-25
申请号：US12454701
申请日：2009-05-21
申请人： Craig Breen , Jonathan S. Steckel , Dorai Ramprasad
发明人： Craig Breen , Jonathan S. Steckel , Dorai Ramprasad
IPC分类号： C09K11/54
CPC分类号： C09K11/883 , B82Y20/00 , B82Y30/00 , C09K11/02 , C09K11/025 , C09K11/0811 , C09K11/565 , C09K11/574 , H01L33/06 , Y10S428/917 , Y10T428/2991 , Y10T428/2993
摘要： A semiconductor nanocrystal capable of emitting blue light upon excitation. Also disclosed are devices, populations of semiconductor nanocrystals, and compositions including a semiconductor nanocrystal capable of emitting blue light upon excitation. In one embodiment, a semiconductor nanocrystal capable of emitting blue light including a maximum peak emission at a wavelength not greater than about 470 nm with a photoluminescence quantum efficiency greater than about 65% upon excitation. In another embodiment, a semiconductor nanocrystal includes a core comprising a first semiconductor material comprising at least three chemical elements and a shell disposed over at least a portion of the core, the shell comprising a second semiconductor material, wherein the semiconductor nanocrystal is capable of emitting blue light with a photoluminescence quantum efficiency greater than about 65% upon excitation. In a further embodiment, a semiconductor nanocrystal includes a core comprising a first semiconductor material comprising at least three chemical elements and a shell disposed over at least a portion of the core, the shell comprising a second semiconductor material comprising at least three chemical elements, wherein the semiconductor nanocrystal is capable of emitting light including a maximum peak emission in the blue region of the spectrum upon excitation.
摘要翻译：激发后能够发出蓝光的半导体纳米晶体。还公开了半导体纳米晶体的器件，群体，以及包括在激发时能够发射蓝光的半导体纳米晶体的组合物。在一个实施方案中，能够发射包括波长不大于约470nm的最大峰值发射的蓝光的半导体纳米晶体，其光致发光量子效率在激发时大于约65％。在另一个实施例中，半导体纳米晶体包括芯，其包含包含至少三个化学元素的第一半导体材料和设置在芯的至少一部分上的壳，壳包括第二半导体材料，其中半导体纳米晶体能够发射激发后光致发光量子效率大于约65％的蓝光。在另一实施例中，半导体纳米晶体包括芯，其包括包含至少三个化学元件的第一半导体材料和设置在芯的至少一部分上的外壳，壳包括包含至少三个化学元素的第二半导体材料，其中半导体纳米晶体在激发时能够发射包括光谱的蓝色区域中的最大峰值发射的光。

3. 发明申请

US20050014980A1 Process using water tolerant lewis acids in catalytic hydration of alkylene oxides to alkylene glycols 有权
标题翻译：使用耐水性路易斯酸在环氧烷烃催化水合亚烷基二醇的方法
公开(公告)号：US20050014980A1
公开(公告)日：2005-01-20
申请号：US10619127
申请日：2003-07-14
申请人： Jaap van Hal , Dorai Ramprasad
发明人： Jaap van Hal , Dorai Ramprasad
IPC分类号： C07C29/10 , C07C29/03
CPC分类号： C07C29/106 , C07C31/202
摘要： Water tolerant Lewis acids are used in a process for the preparation of alkylene glycols by catalytic hydration of the corresponding alkylene oxide. The water tolerant Lewis acids can be a metal salt of a non-coordinating or weakly coordinating anion and a Group IIIB, rare earth or lanthanide, actinide or Group IVB cation. Optionally, carbon oxide may also be present. Examples of such water tolerant Lewis acids are scandium triflate, europium triflate, hafnium triflate, yttrium triflate, lanthanum triflate and ytterbium triflate. The catalyst may contain a coordinating anion instead, examples of which are scandium sulfate [Sc2(SO4)3], scandium chloride [ScCl3], scandium acetate [Sc(OAc)3] and scandium nitrate [Sc(NO3)3]. The catalysts may also contain both a non-coordinating or weakly coordinating anion and a coordinating anion, examples of which are scandium triflate sulfate [Sc(CF3SO3) (SO4)], scandium triflate chloride [Sc(CF3SO3)2Cl], scandium triflate acetate [Sc(CF3SO3)2(OAc)] and scandium triflate nitrate [Sc(CF3SO3)2(NO3)]
摘要翻译：耐水性路易斯酸用于通过相应的环氧烷的催化水合制备亚烷基二醇的方法。耐水性路易斯酸可以是非配位或弱配位阴离子和IIIB族，稀土或镧系元素，锕系元素或IVB族阳离子的金属盐。任选地，也可以存在碳氧化物。这种耐水性路易斯酸的实例是三氟甲磺酸钪，三氟甲磺酸铕，三氟甲磺酸铪，三氟甲磺酸钇，三氟甲磺酸镧和三氟甲磺酸镱。催化剂可以含有配位阴离子，其实例为硫酸钪[Sc2（SO4）3]，氯化钪[ScCl3]，钪酸钪[Sc（OAc）3]和硝酸钪[Sc（NO3）3]。催化剂还可以含有非配位或弱配位阴离子和配位阴离子，其实例是三氟甲磺酸钪[Sc（CF 3 SO 3）（SO 4）]，三氟甲磺酸钪[Sc（CF 3 SO 3）2 Cl]，三氟甲磺酸钪酯 [Sc（CF 3 SO 3）2（OAc）]和三氟甲磺酸钪[Sc（CF 3 SO 3）2（NO 3）]

4. 发明授权

US5208335A Reversible oxygen sorbent compositions 失效
标题翻译：可逆氧吸附剂组合物
公开(公告)号：US5208335A
公开(公告)日：1993-05-04
申请号：US890065
申请日：1992-05-27
申请人： Dorai Ramprasad , Guido P. Pez , Ronald M. Pearlstein , Ingrid K. Meier
发明人： Dorai Ramprasad , Guido P. Pez , Ronald M. Pearlstein , Ingrid K. Meier
IPC分类号： B01D53/02 , B01D53/04 , B01D53/14 , B01J20/02 , B01J20/04 , B01J20/22 , C01C3/11 , C07F15/06
CPC分类号： B01D53/02 , B01J20/0225 , B01J20/024 , B01J20/04 , B01J20/22 , B01J20/223 , B01J20/3425 , B01J20/3483 , B01J20/3491 , B01J41/043 , C01C3/11 , C07F15/065 , B01D2253/108 , B01D2256/12 , B01D2257/102 , B01D2259/40086 , B01D2259/40088 , C01B2210/0046
摘要： High Capacity solid state cyanocobaltate complexes represented by the chemical formula:[(A).sub.a (R.sub.4 N).sub.b ].sup.z+.sub.x/z [Co(CN).sub.n ].sup.x- .multidot.pSwhere:A is alkali metal atom, alkaline earth metal atom, Zn, Cd or Hg atom;a is any number from 0 to 2.5each R is independently C.sub.1 -C.sub.1O substituted or unsubstituted alkyl, aryl or aralkyl; or a long chain hydrocarbon polymerb is any number from greater than zero to 3z is 1, 2 or 3;n is any number from 3 to 5;x is n-2;p is any number from greater than zero to 6; andS is a ligand which is capable of coordinating with [(A).sub.a (R.sub.4 N).sub.b 9 .sup.z+, Co or both.are capable of chemically binding oxygen to form novel oxygen adducts, thereby selectively removing oxygen from an oxygen-containing fluid stream. The bound oxygen may be recovered from the complexes by increasing the temperature or by reducing the partial pressure of O.sub.2 above the adduct.
摘要翻译：由[化学式为[（A）a（R4N）b] z + x / z [Co（CN）n] x-xpS表示的高容量固态氰钴酸盐络合物，其中：A为碱金属原子，碱土金属原子， Zn，Cd或Hg原子; a为0至2.5的任何数，每个R独立地为C 1 -C 10取代或未取代的烷基，芳基或芳烷基; 或长链烃聚合物b是大于0至3的任何数为1,2或3; n是从3到5的任何数字; x是n-2; p是从大于零到6的任何数字; 并且S是能够与[（A）a（R 4 N）b 9 z +，Co或两者配位的配体。能够化学结合氧以形成新的氧加合物，从而从含氧流体物流中选择性地除去氧。可以通过增加温度或通过降低加合物上方的O 2分压来从络合物中回收结合的氧。

5. 发明授权

US09054329B2 Light-emitting devices and displays with improved performance 有权
公开(公告)号：US09054329B2
公开(公告)日：2015-06-09
申请号：US12313779
申请日：2008-11-24
申请人： Seth Coe-Sullivan , Dorai Ramprasad , Ioannis Kymissis , Vladimir Bulovic , Marshall Cox , Caroline J. Roush , Peter T. Kazlas , Jonathan S. Steckel
发明人： Seth Coe-Sullivan , Dorai Ramprasad , Ioannis Kymissis , Vladimir Bulovic , Marshall Cox , Caroline J. Roush , Peter T. Kazlas , Jonathan S. Steckel
IPC分类号： H01L33/00 , H01L51/50 , B82Y20/00 , B82Y30/00 , C09K11/02 , C09K11/56 , C09K11/88 , H05B33/14
CPC分类号： H01L33/06 , B82Y20/00 , B82Y30/00 , C09K11/02 , C09K11/565 , C09K11/883 , H01L27/156 , H01L33/0029 , H01L33/28 , H01L51/5012 , H01L51/502 , H05B33/145
摘要： Light-emitting devices and displays with improved performance are disclosed. A light-emitting device includes an emissive material disposed between a first electrode, and a second electrode. Various embodiments include a device having a peak external quantum efficiency of at least about 2.2%; a device that emits light having a CIE color coordinate of x greater than 0.63; a device having an external quantum efficiency of at least about 2.2 percent when measured at a current density of 5 mA/cm2. Also disclosed is a light-emitting device comprising a plurality of semiconductor nanocrystals capable of emitting red light upon excitation, wherein the device has a peak luminescent efficiency of at least about 1.5 lumens per watt. Also disclosed is a light-emitting device comprising a plurality of semiconductor nanocrystals capable of emitting red light upon excitation, wherein the device has a luminescent efficiency of at least about 1.5 lumens per watt when measured at a current density of 5 milliamps/square centimeter. Also disclosed is a light-emitting device comprising a plurality of semiconductor nanocrystals capable of emitting green light upon excitation, wherein the device has a peak external quantum efficiency of at least about 1.1 percent. Further disclosed is a light-emitting device comprising a plurality of semiconductor nanocrystals, wherein the device has a luminescent efficiency of at least about 3 lumens per watt when measured at a current density of 5 mA/cm2. Further disclosed is a light-emitting device comprising a plurality of semiconductor nanocrystals capable of emitting green light upon excitation, wherein the device has an external quantum efficiency of at least about 2% when measured at a current density of 5 mA/cm2. Other light-emitting devices and displays with improved performance are disclosed. Also disclosed are methods for preparing and for purifying semiconductor nanocrystals.

6. 发明授权

US08404154B2 Blue emitting semiconductor nanocrystals and compositions and devices including same 有权
标题翻译：蓝色发光半导体纳米晶体及其组成和装置，包括它们
公开(公告)号：US08404154B2
公开(公告)日：2013-03-26
申请号：US12454701
申请日：2009-05-21
申请人： Craig Breen , Jonathan S. Steckel , Dorai Ramprasad
发明人： Craig Breen , Jonathan S. Steckel , Dorai Ramprasad
IPC分类号： C09K11/08
CPC分类号： C09K11/883 , B82Y20/00 , B82Y30/00 , C09K11/02 , C09K11/025 , C09K11/0811 , C09K11/565 , C09K11/574 , H01L33/06 , Y10S428/917 , Y10T428/2991 , Y10T428/2993
摘要： A semiconductor nanocrystal capable of emitting blue light upon excitation. Also disclosed are devices, populations of semiconductor nanocrystals, and compositions including a semiconductor nanocrystal capable of emitting blue light upon excitation. In one embodiment, a semiconductor nanocrystal capable of emitting blue light including a maximum peak emission at a wavelength not greater than about 470 nm with a photoluminescence quantum efficiency greater than about 65% upon excitation. In another embodiment, a semiconductor nanocrystal includes a core comprising a first semiconductor material comprising at least three chemical elements and a shell disposed over at least a portion of the core, the shell comprising a second semiconductor material, wherein the semiconductor nanocrystal is capable of emitting blue light with a photoluminescence quantum efficiency greater than about 65% upon excitation. In a further embodiment, a semiconductor nanocrystal includes a core comprising a first semiconductor material comprising at least three chemical elements and a shell disposed over at least a portion of the core, the shell comprising a second semiconductor material comprising at least three chemical elements, wherein the semiconductor nanocrystal is capable of emitting light including a maximum peak emission in the blue region of the spectrum upon excitation.
摘要翻译：激发后能够发出蓝光的半导体纳米晶体。还公开了半导体纳米晶体的器件，群体，以及包括在激发时能够发射蓝光的半导体纳米晶体的组合物。在一个实施方案中，能够发射包括波长不大于约470nm的最大峰值发射的蓝光的半导体纳米晶体，其光致发光量子效率在激发时大于约65％。在另一个实施例中，半导体纳米晶体包括芯，其包含包含至少三个化学元素的第一半导体材料和设置在芯的至少一部分上的壳，壳包括第二半导体材料，其中半导体纳米晶体能够发射激发后光致发光量子效率大于约65％的蓝光。在另一实施例中，半导体纳米晶体包括芯，其包括包含至少三个化学元件的第一半导体材料和设置在芯的至少一部分上的外壳，壳包括包含至少三个化学元素的第二半导体材料，其中半导体纳米晶体在激发时能够发射包括光谱的蓝色区域中的最大峰值发射的光。

7. 发明申请

US20090278141A1 Light-emitting devices and displays with improved performance 有权
标题翻译：具有改进性能的发光装置和显示器
公开(公告)号：US20090278141A1
公开(公告)日：2009-11-12
申请号：US12313779
申请日：2008-11-24
申请人： Seth Coe-Sullivan , Dorai Ramprasad , Ioannis Kymissis , Vladimir Bulovic , Marshall Cox , Caroline J. Roush , Peter T. Kazlas , Jonathan S. Steckel
发明人： Seth Coe-Sullivan , Dorai Ramprasad , Ioannis Kymissis , Vladimir Bulovic , Marshall Cox , Caroline J. Roush , Peter T. Kazlas , Jonathan S. Steckel
IPC分类号： H01L33/00
CPC分类号： H01L33/06 , B82Y20/00 , B82Y30/00 , C09K11/02 , C09K11/565 , C09K11/883 , H01L27/156 , H01L33/0029 , H01L33/28 , H01L51/5012 , H01L51/502 , H05B33/145
摘要： Light-emitting devices and displays with improved performance are disclosed. A light-emitting device includes an emissive material disposed between a first electrode, and a second electrode. Various embodiments include a device having a peak external quantum efficiency of at least about 2.2%; a device that emits light having a CIE color coordinate of x greater than 0.63; a device having an external quantum efficiency of at least about 2.2 percent when measured at a current density of 5 mA/cm2. Also disclosed is a light-emitting device comprising a plurality of semiconductor nanocrystals capable of emitting red light upon excitation, wherein the device has a peak luminescent efficiency of at least about 1.5 lumens per watt. Also disclosed is a light-emitting device comprising a plurality of semiconductor nanocrystals capable of emitting red light upon excitation, wherein the device has a luminescent efficiency of at least about 1.5 lumens per watt when measured at a current density of 5 milliamps/square centimeter. Also disclosed is a light-emitting device comprising a plurality of semiconductor nanocrystals capable of emitting green light upon excitation, wherein the device has a peak external quantum efficiency of at least about 1.1 percent. Further disclosed is a light-emitting device comprising a plurality of semiconductor nanocrystals, wherein the device has a luminescent efficiency of at least about 3 lumens per watt when measured at a current density of 5 mA/cm2. Further disclosed is a light-emitting device comprising a plurality of semiconductor nanocrystals capable of emitting green light upon excitation, wherein the device has an external quantum efficiency of at least about 2% when measured at a current density of 5 mA/cm2. Other light-emitting devices and displays with improved performance are disclosed. Also disclosed are methods for preparing and for purifying semiconductor nanocrystals.
摘要翻译：公开了具有改进性能的发光装置和显示器。发光装置包括设置在第一电极和第二电极之间的发光材料。各种实施方案包括具有至少约2.2％的峰值外部量子效率的器件; 发射具有x大于0.63的CIE色坐标的光的装置; 当以5mA / cm 2的电流密度测量时，具有至少约2.2％的外部量子效率的器件。还公开了包括能够在激发时发射红光的多个半导体纳米晶体的发光器件，其中该器件具有至少约1.5流明/瓦特的峰值发光效率。还公开了一种发光器件，其包括能够在激发时发射红光的多个半导体纳米晶体，其中当以5毫安/平方厘米的电流密度测量时，该器件具有至少约1.5流明/瓦特的发光效率。还公开了一种发光器件，其包括在激发时能够发射绿光的多个半导体纳米晶体，其中该器件具有至少约1.1％的峰值外部量子效率。还公开了包括多个半导体纳米晶体的发光器件，其中当以5mA / cm 2的电流密度测量时，该器件具有至少约3流明/瓦的发光效率。进一步公开的是一种发光器件，其包括能够在激发时发出绿光的多个半导体纳米晶体，其中当以5mA / cm 2的电流密度测量时，该器件具有至少约2％的外部量子效率。公开了其他具有改进性能的发光装置和显示器。还公开了制备和纯化半导体纳米晶体的方法。

8. 发明授权

US06916963B2 Process using water tolerant Lewis acids in catalytic hydration of alkylene oxides to alkylene glycols 有权
标题翻译：使用耐水性路易斯酸在烯化氧与亚烷基二醇的催化水合中的工艺
公开(公告)号：US06916963B2
公开(公告)日：2005-07-12
申请号：US10619127
申请日：2003-07-14
申请人： Jaap W. van Hal , Dorai Ramprasad
发明人： Jaap W. van Hal , Dorai Ramprasad
IPC分类号： C07C29/10 , C07C33/26
CPC分类号： C07C29/106 , C07C31/202
摘要： Water tolerant Lewis acids are used in a process for the preparation of alkylene glycols by catalytic hydration of the corresponding alkylene oxide. The water tolerant Lewis acids can be a metal salt of a non-coordinating or weakly coordinating anion and a Group IIIB, rare earth or lanthanide, actinide or Group IVB cation. Optionally, carbon oxide may also be present. Examples of such water tolerant Lewis acids are scandium triflate, europium triflate, hafnium triflate, yttrium triflate, lanthanum triflate and ytterbium triflate. The catalyst may contain a coordinating anion instead, examples of which are scandium sulfate [Sc2(SO4)3], scandium chloride [ScCl3], scandium acetate [Sc(OAc)3] and scandium nitrate [Sc(NO3)3]. The catalysts may also contain both a non-coordinating or weakly coordinating anion and a coordinating anion, examples of which are scandium triflate sulfate [Sc(CF3SO3) (SO4)], scandium triflate chloride [Sc(CF3SO3)2Cl], scandium triflate acetate [Sc(CF3SO3)2(OAc)] and scandium triflate nitrate [Sc(CF3SO3)2(NO3)].
摘要翻译：耐水性路易斯酸用于通过相应的环氧烷的催化水合制备亚烷基二醇的方法。耐水性路易斯酸可以是非配位或弱配位阴离子和IIIB族，稀土或镧系元素，锕系元素或IVB族阳离子的金属盐。任选地，也可以存在碳氧化物。这种耐水性路易斯酸的实例是三氟甲磺酸钪，三氟甲磺酸铕，三氟甲磺酸铪，三氟甲磺酸钇，三氟甲磺酸镧和三氟甲磺酸镱。催化剂可以含有配位阴离子，其实例是硫酸钪[Sc 2 O 3（SO 4 H 3）3]，氯化钪[ScCl 3]，乙酸钪[Sc（OAc）3 3]和硝酸钪[Sc（NO 3 3）3 ]。催化剂还可以含有非配位或弱配位阴离子和配位阴离子，其实例是三氟甲磺酸钪[Sc（CF 3 SO 3 SO 3）（SO 4]]，三氟甲磺酸钪[Sc（CF 3 SO 3）2 Cl]，三氟甲磺酸钪酯 [Sc（CF 3 3 SO 3）2（OAc）]和三氟甲磺酸钪[Sc（CF 3） SO 3 3（NO 3 3）]。

9. 发明申请

US20050043573A1 Methods, systems and catalysts for use in aromatic alkylation reactions 审中-公开
标题翻译：用于芳族烷基化反应的方法，体系和催化剂
公开(公告)号：US20050043573A1
公开(公告)日：2005-02-24
申请号：US10915148
申请日：2004-08-10
申请人： Dorai Ramprasad , Jennifer Collin
发明人： Dorai Ramprasad , Jennifer Collin
IPC分类号： B01J31/10 , B01J31/40 , C07B37/02 , C07B61/00 , C07C2/66 , C07C15/085 , C07D333/08 , C10G29/20 , C07C15/00
CPC分类号： B01J31/10 , B01J31/4007 , B01J2231/4205 , C07C2/66 , C07C2531/06 , C07D333/08 , C10G2400/30 , Y02P20/52 , Y02P20/584 , C07C15/085
摘要： The present invention provides a system, method and catalyst for catalyzing alkylation reactions. The method includes catalyzing an alkylation reaction using a base treated, sulfonated, halogenated, and optionally acid regenerated thermally stable catalyst.
摘要翻译：本发明提供催化烷基化反应的体系，方法和催化剂。该方法包括使用碱处理，磺化，卤化和任选酸再生的热稳定催化剂催化烷基化反应。

10. 发明授权

US6046356A Preparation of solutions of betaine 有权
标题翻译：甜菜碱溶液的制备
公开(公告)号：US6046356A
公开(公告)日：2000-04-04
申请号：US263469
申请日：1999-03-05
申请人： Dorai Ramprasad , William Eamon Carroll , Francis Joseph Waller
发明人： Dorai Ramprasad , William Eamon Carroll , Francis Joseph Waller
IPC分类号： B01J23/42 , B01J23/44 , C07B61/00 , C07C227/02 , C07C229/06 , C07C229/08 , C07C229/12 , C07C51/16
CPC分类号： C07C227/02
摘要： Betaine is produced by the oxidation of a choline salt in the presence of a base and a supported noble metal catalyst at temperatures from about 20.degree. C. to 100.degree. C. and pressures from atmospheric to about 100 psi. This process is advantageous over prior processes for the production of betaine in that no amine halocarboxylate contaminants are produced by this reaction.
摘要翻译：甜菜碱通过在碱和载体的贵金属催化剂的存在下，在约20℃至100℃的温度和从大气压至约100psi的压力下氧化胆碱盐产生。该方法优于用于生产甜菜碱的现有方法，因为该反应不产生胺卤代羧酸盐污染物。

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