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1. 发明申请

US20150141600A1 METHOD FOR SYNTHESIZING HOMOPOLYMER N-VINYL BUTYROLACTAM WITH SUPER-LOW MOLECULAR WEIGHT AND SUPER-LOW RESIDUAL MONOMER 有权
标题翻译：用于合成具有超低分子量和超低残留单体的均聚物N-乙烯基丁二酰胺的方法
公开(公告)号：US20150141600A1
公开(公告)日：2015-05-21
申请号：US14401743
申请日：2012-07-23
申请人： Yu Wang , Wei Liu , Zhan Chen
发明人： Yu Wang , Wei Liu , Zhan Chen
IPC分类号： C08F24/00
CPC分类号： C08F24/00 , C08F4/38 , C08F6/003 , C08F126/06 , C08L39/04
摘要： The present invention relates to a synthesis method of ultra low molecular weight homopolymerized N-vinyl butyrolactam with ultra low residual monomer content, which comprises: using N-vinyl butyrolactam monomers and water with the mass ratio of 3:17˜8:12, then based on the N-vinyl butyrolactam monomers, using 0.5%˜5.0% by weight of initiators, 0.1%˜5.0% by weight of a catalyst, and 0.1%˜10% by weight of a molecular weight regulator; in the presence of an inert gas, adding the above mentioned raw materials in batches, adjusting the pH of the reaction system to 7.0-8.0 with an activator, reacting at the polymerization temperature of 60-85° C.; finally adding a peroxide and keeping the temperature for 2 hours, to obtain an aqueous solution of ultra low molecular weight homopolymerized N-vinyl butyrolactam, drying the aqueous solution to obtain a powdery ultra low molecular weight homopolymerized N-vinyl butyrolactam with ultra low residual monomer content, whose K value is 12-17, whose molecular weight is 2000-15000, and whose residual monomer content is less than 10 ppm, so the present invention is designed skillfully and simple in preparation, the residual monomer content of the ultra low molecular weight homopolymerized N-vinyl butyrolactam with ultra low residual monomer content prepared is less than 10 ppm, and the K value is 12-17, therefore the present invention is suitable for large-scale popularization.
摘要翻译：本发明涉及具有超低残留单体含量的超低分子量均聚N-乙烯基丁内酰胺的合成方法，其包括：使用N-乙烯基丁内酰胺单体和质量比为3：17〜8：12的水，然后基于N-乙烯基丁内酰胺单体，使用0.5重量％〜5.0重量％的引发剂，0.1重量％〜5.0重量％的催化剂和0.1重量％〜10重量％的分子量调节剂; 在惰性气体的存在下，分批加入上述原料，用活化剂将反应体系的pH调节至7.0-8.0，在聚合温度为60-85℃下反应; 最后加入过氧化物并保持温度2小时，得到超低分子量均聚N-乙烯基丁内酰胺水溶液，干燥该水溶液，得到具有超低残留单体的粉状超低分子量均聚N-乙烯基丁内酰胺其K值为12-17，分子量为2000-15000，残留单体含量小于10ppm，本发明设计巧妙简单，超低分子量的残留单体含量制备的超低残留单体含量的均聚的N-乙烯基丁内酰胺重量小于10ppm，K值为12-17，因此本发明适用于大规模普及。

2. 发明授权

US09453087B2 Method for synthesizing homopolymer N-vinyl butyrolactam with super-low molecular weight and super-low residual monomer 有权
标题翻译：用超低分子量和超低残留单体合成均聚物N-乙烯基丁内酰胺的方法
公开(公告)号：US09453087B2
公开(公告)日：2016-09-27
申请号：US14401743
申请日：2012-07-23
申请人： Yu Wang , Wei Liu , Zhan Chen
发明人： Yu Wang , Wei Liu , Zhan Chen
IPC分类号： C08F24/00 , C08F126/06 , C08F4/38 , C08F6/00
CPC分类号： C08F24/00 , C08F4/38 , C08F6/003 , C08F126/06 , C08L39/04
摘要： A synthesis method of ultra low molecular weight homopolymerized N-vinyl butyrolactam with ultra low residual monomer content is provided N-vinyl butyrolactam monomers and water are provided with the mass ratio of 3:17˜8:12 0.5%˜5.0% by weight of initiators, 0.1%˜5.0% by weight of a catalyst, and 0.1%˜10% by weight of a molecular weight regulator are provided in the presence of an inert gas, adding the above mentioned raw materials in batches, adjusting the pH of the reaction system to 7.0-8.0 with an activator, reacting at the polymerization temperature of 60-85° C. A peroxide is added and maintaining the temperature for 2 hours, to obtain an aqueous solution of ultra low molecular weight homopolymerized N-vinyl butyrolactam. The aqueous solution is dried to obtain a powdery ultra low molecular weight homopolymerized N-vinyl butyrolactam with ultra low residual monomer content.
摘要翻译：提供了具有超低残留单体含量的超低分子量均聚的N-乙烯基丁内酰胺的合成方法，提供了N-乙烯基丁内酰胺单体和水，其质量比为3：17〜8：12 0.5％〜5.0％引发剂，0.1重量％〜5.0重量％的催化剂和0.1重量％〜10重量％的分子量调节剂，在惰性气体存在下，分批加入上述原料，调节pH值反应体系为7.0-8.0，用活化剂，在聚合温度为60-85℃下反应。加入过氧化物并保持温度2小时，得到超低分子量均聚N-乙烯基丁内酰胺水溶液。将水溶液干燥，得到具有超低残留单体含量的粉末状超低分子量均聚N-乙烯基丁内酰胺。

3. 发明授权

US11866156B1 Apparatus for vortex generation to improve aerodynamics 有权
公开(公告)号：US11866156B1
公开(公告)日：2024-01-09
申请号：US17531766
申请日：2021-11-21
申请人： Wei Liu
发明人： Wei Liu
IPC分类号： B64C23/06 , B64C21/10
CPC分类号： B64C23/065 , B64C21/10
摘要： This invention is an apparatus for vortex generation by combining the function of means for vortex generation with the functions of the leading-edge aerodynamic surface, the airfoil, and/or the trailing-edge aerodynamic surface.

4. 发明授权

US11686448B1 Apparatus of projector headlights 有权
公开(公告)号：US11686448B1
公开(公告)日：2023-06-27
申请号：US17699103
申请日：2022-03-19
申请人： Wei Liu
发明人： Wei Liu
IPC分类号： B60Q1/00 , F21S41/683 , F21S41/32 , F21S41/43 , F21S41/25 , F21W102/135
CPC分类号： F21S41/683 , F21S41/25 , F21S41/32 , F21S41/43 , F21W2102/135
摘要： This invention is a projector headlight that, while offering dual beam patterns, boasts a 100% utilization of the light emitted from a light source by one of the following methods: (1) employing a reflective cutoff shield means to reflect the incoming light from said light source back to the reflector to enhance the illumination in low-beam pattern, (2) using reversible cutoff shield means to reflect the incoming light from said light source back to the reflector to enhance the illumination in low-beam pattern with no moving part involved, (3) utilizing a selective light-filter cutoff means to selectively reflect the incoming light from said light source back to the reflector to enhance the illumination in low-beam pattern without making use of any moving part, (4) using a low-beam light-emitting subassembly and a high-beam light-emitting subassembly that are separated by partition means to achieve dual beam patterns with no moving part, or (5) adopting a low-beam light-emitting subassembly in low-beam pattern and a high-beam light-emitting subassembly in high-beam pattern without any moving part.

5. 外观设计

USD952959S1 Intelligent pet fountain 有权
公开(公告)号：USD952959S1
公开(公告)日：2022-05-24
申请号：US29778103
申请日：2021-04-10
申请人： Wei Liu
设计人： Wei Liu

6. 发明授权

US09588205B2 Simultaneous and dynamic determination of longitudinal and transversal relaxation times of a nuclear spin system 有权
标题翻译：同时和动态地确定核自旋系统的纵向和横向弛豫时间
公开(公告)号：US09588205B2
公开(公告)日：2017-03-07
申请号：US13582800
申请日：2011-03-10
申请人： Stefanie Remmele , Wei Liu , Tobias Ratko Voigt , Christian Stehning
发明人： Stefanie Remmele , Wei Liu , Tobias Ratko Voigt , Christian Stehning
IPC分类号： G01R33/50 , G01R33/56 , G01R33/561
CPC分类号： G01R33/50 , G01R33/5601 , G01R33/5613 , G01R33/5616
摘要： The invention relates to a magnetic resonance imaging method for simultaneous and dynamic determination of a longitudinal relaxation time T1 and a transversal relaxation time T2 of the nuclear spin system of an object, in the context of DCE or DSE MRI. In this respect, the invention makes use of a steady-state gradient echo pulse sequence comprising an EPI readout module.
摘要翻译：本发明涉及一种用于在DCE或DSE MRI的背景下同时和动态地确定物体的核自旋系统的纵向弛豫时间T1和横向弛豫时间T2的磁共振成像方法。在这方面，本发明利用包括EPI读出模块的稳态梯度回波脉冲序列。

7. 发明授权

US09349561B2 Impregnated yttric or gadolinium-containing Barium-aluminum-scandate cathodes and their fabrication methods 有权
标题翻译：浸渍钇或钆钡铝钪阴极及其制造方法
公开(公告)号：US09349561B2
公开(公告)日：2016-05-24
申请号：US13340701
申请日：2011-12-30
申请人： Jinshu Wang , Wei Liu , Fan Yang , Xiang Liu , Hongyi Li , Meiling Zhou , Tieyong Zuo
发明人： Jinshu Wang , Wei Liu , Fan Yang , Xiang Liu , Hongyi Li , Meiling Zhou , Tieyong Zuo
IPC分类号： H01J1/14 , H01J1/142 , H01J1/13 , H01J1/144 , H01J9/04 , H01J23/05
CPC分类号： H01J1/142 , H01J1/13 , H01J1/14 , H01J1/144 , H01J9/047 , H01J23/05
摘要： Impregnated rare earth metal-containing barium-aluminum-scandate cathodes with a rare earth oxide doped tungsten matrix and methods for the fabrication thereof are described. In one aspect, an impregnated rare earth metal-containing barium-aluminum-scandate cathode comprises: a rare earth oxide doped tungsten matrix, and an impregnated active substance. The active substance comprises scandium oxide (Sc2O3), a second rare earth oxide, and barium calcium aluminate, wherein the molar ratio of Ba:Ca:Al is about 4:1:1.
摘要翻译：描述了具有稀土氧化物掺杂钨基体的含浸稀土金属的钡 - 铝 - 钪酸盐阴极及其制造方法。一方面，含浸稀土金属的钡 - 铝 - 钪酸盐阴极包括：掺杂稀土氧化物的钨基体和浸渍的活性物质。活性物质包含氧化钪（Sc 2 O 3），第二稀土氧化物和铝酸钡钙，其中Ba:Ca:Al的摩尔比为约4:1:1。

8. 发明授权

US09248430B2 Method for synthesis of 1-decene oligomer 有权
标题翻译： 1-癸烯低聚物的合成方法
公开(公告)号：US09248430B2
公开(公告)日：2016-02-02
申请号：US13510216
申请日：2010-07-22
申请人： Fuling Huang , Puke Mi , Sihan Wang , Jinhua Qian , Qian Chen , Sheng Xu , Jianzhong Li , Gang Wang , Baojun Zhang , Min Liu , Guizhi Wang , Xuemei Han , Jiabo Qu , Panfeng Lu , Shukun Sun , Xiuhui Wang , Yuxin Gao , Deshun Zhang , Ling Jiang , Buwei Yu , Libo Wang , Yali Wang , Lingting Fan , Peng Wei , Wei Liu , Guiyue Guo
发明人： Fuling Huang , Puke Mi , Sihan Wang , Jinhua Qian , Qian Chen , Sheng Xu , Jianzhong Li , Gang Wang , Baojun Zhang , Min Liu , Guizhi Wang , Xuemei Han , Jiabo Qu , Panfeng Lu , Shukun Sun , Xiuhui Wang , Yuxin Gao , Deshun Zhang , Ling Jiang , Buwei Yu , Libo Wang , Yali Wang , Lingting Fan , Peng Wei , Wei Liu , Guiyue Guo
IPC分类号： C07C6/10 , B01J21/04 , B01J37/02 , C07C2/22
CPC分类号： B01J21/04 , B01J37/0205 , B01J37/0207 , C07C2/22 , C07C2521/04 , C07C2527/126 , C07C11/02
摘要： A method for synthesis of 1-decene oligomer is provided, wherein 1-decene is polymerized at 80-120° C., 0.8-1.4 MPa in the presence of aluminum trichloride catalyst supported on gamma-alumina and n-hexane solvent where the volume ratio of 1-decene to n-hexane is 3:8-4:1. The catalyst is treated as follows: impregnating gamma-alumina carrier in 0.5-2.0 M of hydrochloric acid, sulfuric acid, nitric acid or mixtures thereof, then vacuum drying at 80-100° C. and calcining at 400-800° C.; dissolving 5-10 g of anhydrous aluminum trichloride in 100 ml of tetrachloromethane, trichloromethane or dichloromethane solvent; adding the obtained solution into 10-20 g of activated alumina carrier and obtaining the catalyst after vacuum drying. The conversion of 1-decene is 50 wt % or more. The oligomer has a kinematic viscosity at 40° C. of 6.0-25 mm2/s and a viscosity index of 160-262.
摘要翻译：提供1-癸烯低聚物的合成方法，其中1-癸烯在负载在γ-氧化铝和正己烷溶剂上的三氯化铝催化剂存在下，在80-120℃，0.8-1.4MPa下聚合，其中体积 1-癸烯与正己烷的比例为3：8-4：1。催化剂的处理如下：将γ-氧化铝载体浸入0.5-2.0M盐酸，硫酸，硝酸或其混合物中，然后在80-100℃真空干燥并在400-800℃下煅烧。将5-10g无水三氯化铝溶于100ml四氯甲烷，三氯甲烷或二氯甲烷溶剂中; 将得到的溶液加入10-20g活性氧化铝载体中，真空干燥后得到催化剂。 1-癸烯的转化率为50重量％以上。低聚物在40℃下的运动粘度为6.0-25mm 2 / s，粘度指数为160-262。

9. 发明授权

US09152932B2 Work units for content processing 有权
标题翻译：内容处理单位
公开(公告)号：US09152932B2
公开(公告)日：2015-10-06
申请号：US12970994
申请日：2010-12-17
申请人： Mohammad Reza Shafiee , Hongfang Li , Wei Liu , Anurag Gupta , Ashutosh K. Sureka , Satya S. Raju
发明人： Mohammad Reza Shafiee , Hongfang Li , Wei Liu , Anurag Gupta , Ashutosh K. Sureka , Satya S. Raju
IPC分类号： G06F17/30 , G06Q10/06
CPC分类号： G06Q10/06
摘要： A system may create work units, each work unit including at least one of an input port or output port, each work unit configured to modify data that is received via the input port. In addition, the system may compose a workflow by connecting an output port of a first of the work units to an input port of a second of the work units, receive a work order, select the workflow in response to the work order, decompose the workflow into constituent work units, instantiate tasks that correspond to the constituent work units, and execute a work unit process for each of the tasks.
摘要翻译：系统可以创建工作单元，每个工作单元包括输入端口或输出端口中的至少一个，每个工作单元被配置为修改经由输入端口接收的数据。此外，系统可以通过将第一工作单元的输出端口连接到第二工作单元的输入端口来组合工作流程，接收工作单，响应于工作顺序选择工作流程，分解工作单元工作流组成工作单元，实例化与组成单位对应的任务，并执行每个任务的工作单元处理。

10. 发明授权

US09079136B2 Thin, porous metal sheets and methods for making the same 有权
标题翻译：薄多孔金属板及其制造方法
公开(公告)号：US09079136B2
公开(公告)日：2015-07-14
申请号：US13032752
申请日：2011-02-23
申请人： Wei Liu , Xiaohong Shari Li , Nathan L. Canfield
发明人： Wei Liu , Xiaohong Shari Li , Nathan L. Canfield
IPC分类号： B01D67/00 , B01D39/20 , B01D69/10 , B01D71/02 , B01J20/32 , B22F3/11 , B22F3/22 , B22F5/00 , C22C19/00 , C22C19/03 , C22C38/08 , B01D69/06
CPC分类号： B01D67/0041 , B01D39/2051 , B01D67/0046 , B01D67/0058 , B01D69/06 , B01D69/10 , B01D71/022 , B01D2239/10 , B01D2239/1216 , B01D2323/08 , B01D2323/18 , B01D2325/10 , B01D2325/12 , B01D2325/24 , B01J20/3204 , B01J20/3297 , B22F3/1121 , B22F3/22 , B22F5/006 , B22F2998/10 , C22C19/002 , C22C19/03 , C22C38/08 , Y10T428/12014 , Y10T428/31678 , B22F3/10 , B22F3/18 , B22F9/30
摘要： Thin, porous metal sheets and methods for forming them are presented to enable a variety of applications and devices. The thin, porous metal sheets are less than or equal to approximately 200 μm thick, have a porosity between 25% and 75% by volume, and have pores with an average diameter less than or equal to approximately 2 μm. The thin, porous metal sheets can be fabricated by preparing a slurry having between 10 and 50 wt % solvent and between 20 and 80 wt % powder of a metal precursor. The average particle size in the metal precursor powder should be between 100 nm and 5 μm.
摘要翻译：提供薄的多孔金属片和用于形成它们的方法，以实现各种应用和装置。薄多孔金属板的厚度小于或等于约200μm，孔隙率为25体积％至75体积％，并且具有平均直径小于或等于约2微米的孔。可以通过制备具有10至50重量％溶剂和20至80重量％的金属前体粉末的浆料来制造薄的多孔金属片。金属前体粉末中的平均粒径应在100nm和5μm之间。

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