Patents by Inventor Zhong Tan
Zhong Tan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240118355Abstract: The present disclosure relates to a wide-range perpendicular sensitive magnetic sensor and the method for manufacturing the same, the magnetic sensor includes a substrate, a plurality of magnetic tunnel junctions, a plurality of magnetic flux regulators, a first output port and a second output port.Type: ApplicationFiled: September 6, 2023Publication date: April 11, 2024Applicant: DIGITAL GRID RES. INST., CHINA SOUTHERN PWR. GRIDInventors: Peng LI, Qiancheng LV, Bing TIAN, Zejie TAN, Zhiming WANG, Jie WEI, Renze CHEN, Xiaopeng FAN, Zhong LIU, Zhenheng XU, Senjing YAO, Licheng LI, Yuehuan LIN, Shengrong LIU, Bofeng LUO, Jiaming ZHANG, Xu YIN
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Patent number: 11953568Abstract: The present disclosure relates to a wide-range perpendicular sensitive magnetic sensor and the method for manufacturing the same, the magnetic sensor includes a substrate, a plurality of magnetic tunnel junctions, a plurality of magnetic flux regulators, a first output port and a second output port.Type: GrantFiled: September 6, 2023Date of Patent: April 9, 2024Assignee: DIGITAL GRID RES. INST., CHINA SOUTHERN PWR. GRIDInventors: Peng Li, Qiancheng Lv, Bing Tian, Zejie Tan, Zhiming Wang, Jie Wei, Renze Chen, Xiaopeng Fan, Zhong Liu, Zhenheng Xu, Senjing Yao, Licheng Li, Yuehuan Lin, Shengrong Liu, Bofeng Luo, Jiaming Zhang, Xu Yin
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Patent number: 11927608Abstract: The present disclosure relates to an AC/DC closed-loop current sensor, including a magnetism gathering iron core, a TMR chip, a signal processing circuit, a signal generator, and a feedback coil. The TMR chip is arranged at an air gap of the magnetism gathering iron core and connected to the signal processing circuit. The signal processing circuit is connected to the signal generator. The feedback coil is wound around the magnetism gathering iron core and connected to the signal generator. The signal processing circuit is configured to select from the induced signal of the TMR chip and make an amplification to obtain a current signal component and send the current signal component to the signal generator. The signal generator is configured to adjust a current output to the feedback coil based on the current signal component, and output a measurement result of the selected current signal component.Type: GrantFiled: September 18, 2023Date of Patent: March 12, 2024Assignee: DIGITAL GRID RES. INST., CHINA SOUTHERN PWR. GRIDInventors: Peng Li, Qiancheng Lv, Bing Tian, Xiaopeng Fan, Zhong Liu, Zhiming Wang, Renze Chen, Jie Wei, Xu Yin, Zejie Tan, Zhenheng Xu, Senjing Yao, Licheng Li, Yuehuan Lin, Shengrong Liu, Bofeng Luo, Jiaming Zhang
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Patent number: 11332425Abstract: The magnesium alkoxide particle contains the reaction product of the following components: 1) a magnesium powder; 2) a mixed alcohol; 3) a halogenating agent; and 4) a titanate compound. The magnesium alkoxide particle is used for preparing a catalyst for olefin polymerization.Type: GrantFiled: October 26, 2017Date of Patent: May 17, 2022Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATIONInventors: Xiudong Xu, Zhong Tan, Qilong Zhou, Rui Zhang, Weiwei Song, Jinhua Yu, Fengkui Li, Shanshan Yin
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Publication number: 20210205787Abstract: A catalyst component for olefin polymerization includes magnesium, titanium, a halogen, an internal electron donor compound, and a precipitation aid. The precipitation aid includes a precipitation aid represented by general formula (I). The precipitation aid represented by general formula (I) includes isomers represented by general formula (I-a) and/or (I-b).Type: ApplicationFiled: May 21, 2019Publication date: July 8, 2021Inventors: Rui ZHANG, Zhong TAN, Qilong ZHOU, Xiudong XU, Fengkui LI, Shanshan YIN, Jinhua YU, Weiwei SONG
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Patent number: 10425776Abstract: Method and device for responding to an audio inquiry. The electronic computing device monitors audio communications transmitted between communication devices that are members of a talk group on a talk group channel. The electronic computing device detects an audio inquiry from a first communication device and generates an audio content response to be provided in response to the audio inquiry. The electronic computing device determines based on one or both of the audio inquiry and the audio content response, and as a function of the context information, that the audio content response is to be individually provided to the first communication device. The electronic computing device then establishes a private call with the first communication device and provides the audio content response to the first communication device via the private call.Type: GrantFiled: September 12, 2017Date of Patent: September 24, 2019Assignee: MOTOROLA SOLUTIONS, INC.Inventors: Daniel R. Bestor, Chun Mun Tan, Wai Loon Tham, Chew Yee Kee, Chin Kuan Ong, Mariya Bondareva, Han Zhong Tan, Li Li Chuah, Wei Han Tan, Benjamin Zaslow
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Publication number: 20190270690Abstract: The magnesium alkoxide particle contains the reaction product of the following components: 1) a magnesium powder; 2) a mixed alcohol; 3) a halogenating agent; and 4) a titanate compound. The magnesium alkoxide particle is used for preparing a catalyst for olefin polymerization.Type: ApplicationFiled: October 26, 2017Publication date: September 5, 2019Inventors: Xiudong XU, Zhong TAN, Qilong ZHOU, Rui ZHANG, Weiwei SONG, Jinhua YU, Fengkui LI, Shanshan YIN
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Publication number: 20190082304Abstract: Method and device for responding to an audio inquiry. The electronic computing device monitors audio communications transmitted between communication devices that are members of a talk group on a talk group channel. The electronic computing device detects an audio inquiry from a first communication device and generates an audio content response to be provided in response to the audio inquiry. The electronic computing device determines based on one or both of the audio inquiry and the audio content response, and as a function of the context information, that the audio content response is to be individually provided to the first communication device. The electronic computing device then establishes a private call with the first communication device and provides the audio content response to the first communication device via the private call.Type: ApplicationFiled: September 12, 2017Publication date: March 14, 2019Inventors: DANIEL R. BESTOR, CHUN MUN TAN, WAI LOON THAM, CHEW YEE KEE, CHIN KUAN ONG, MARIYA BONDAREVA, HAN ZHONG TAN, LI LI CHUAH, WEI HAN TAN, BENJAMIN ZASLOW
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Patent number: 10150822Abstract: A catalyst component (A) for olefin polymerization is prepared by contacting a solid component (a) containing magnesium, titanium, halogen and an internal electron donor compound with an organosilicon compound (b), wherein the organosilicon compound (b) is one or more selected from a Si—H functional group containing chainlike polysiloxane (b1) represented by formula (Ix), a cyclic polysiloxane (b2) represented by formula (Iy) and a Si—H functional group containing organosilicon compound (b3) represented by formula (Iz). In addition, a process for preparing the catalyst component and the corresponding catalyst is described. The catalyst component and its catalyst have high catalytic activity, good hydrogen response, and good stereospecificity, the catalyst can release its activity more evenly, and the obtained polymer has significantly increased bulk density. The definitions of R1 to R10, n and z in the formulae (Ix), (ly) and (Iz) are as described in the specification.Type: GrantFiled: July 24, 2012Date of Patent: December 11, 2018Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATIONInventors: Qilong Zhou, Zhong Tan, Xiudong Xu, Li'an Yan, Weiwei Song, Fengkui Li, Shanshan Yin, Jinhua Yu
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Patent number: 9751965Abstract: Disclosed herein is a polymerization method of propylene, which can prepare a propylene homopolymer with both high fluidity and high rigidity as well as a propylene/?-define copolymer having both high fluidity and a good rigidity-toughness balance by, for example, control of polymerization steps and elevation of polymerization temperature, while the catalyst still maintains a relatively high polymerization activity.Type: GrantFiled: October 30, 2013Date of Patent: September 5, 2017Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: Luqiang Yu, Zhichao Yang, Jiangbo Chen, Jianxin Zhang, Yafeng Du, Qinyu Tong, Kang Sun, Yang Liu, Jie Zou, Lusheng Wang, Zengyue Dai, Zhong Tan
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Patent number: 9376513Abstract: Disclosed is a solid catalyst component for olefin polymerization. The catalyst component comprises a dialkoxy magnesium carrier, a titanium compound, and a product from an internal electron donor reacting in an inert solvent. The internal electron donor compound comprises a 2,3-di-non-linear-alkyl-2-cyano succinic acid diester compound as presented in formula I.Type: GrantFiled: January 19, 2012Date of Patent: June 28, 2016Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: Zhong Tan, Lunjia Xie, Xiudong Xu, Yu Tian, Qilong Zhou, Zaixing Feng, Li'an Yan, Siyuan Zhao, Jinhua Yu, Zhufang Sun, Fengkui Li, Shanshan Yin, Weiwei Song
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Patent number: 9053137Abstract: A system to identify database triggers in a data processing system. A request is received to create a database monitor for a specific application event and in response to receiving the request to create the database monitor, the database monitor is created. Then, a request is received to monitor the specific application event within a database and in response to receiving the request to monitor the specific application event, a replicate database of the database is created. Subsequently, the database is compared to the replicate database after the specific application event occurs to identify changes in the database associated with the specific application event. A best candidate is identified for a database trigger based upon the identified changes in the database associated with the specific application event.Type: GrantFiled: October 14, 2008Date of Patent: June 9, 2015Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: John A. Medicke, Feng-wei Chen Russell, Michael William Smith, Ray Zhong Tan
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Publication number: 20140163185Abstract: A catalyst component (A) for olefin polymerization is prepared by contacting a solid component (a) containing magnesium, titanium, halogen and an internal electron donor compound with an organosilicon compound (b), wherein the organosilicon compound (b) is one or more selected from a Si—H functional group containing chainlike polysiloxane (b1) represented by formula (Ix), a cyclic polysiloxane (b2) represented by formula (Iy) and a Si—H functional group containing organosilicon compound (b3) represented by formula (Iz). In addition, a process for preparing the catalyst component and the corresponding catalyst is described. The catalyst component and its catalyst have high catalytic activity, good hydrogen response, and good stereospecificity, the catalyst can release its activity more evenly, and the obtained polymer has significantly increased bulk density. The definitions of R1 to R10, n and z in the formulae (Ix), (ly) and (Iz) are as described in the specification.Type: ApplicationFiled: July 24, 2012Publication date: June 12, 2014Applicants: BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY CHINA PETROLEUM & CHEMICAL CORPORATION, CHINA PETROLEUM & CHEMICAL CORPORATIONInventors: Qilong Zhou, Zhong Tan, Xiudong Xu, Li'an Yan, Weiwei Song, Fengkui Li, Shanshan Yin, Jinhua Yu
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Publication number: 20140121337Abstract: Disclosed herein is a polymerization method of propylene, which can prepare a propylene homopolymer with both high fluidity and high rigidity as well as a propylene/?-define copolymer having both high fluidity and a good rigidity-toughness balance by, for example, control of polymerization steps and elevation of polymerization temperature, while the catalyst still maintains a relatively high polymerization activity.Type: ApplicationFiled: October 30, 2013Publication date: May 1, 2014Applicants: BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORP, CNINA PETROLEUM & CHEMICAL CORPORATIONInventors: Luqiang YU, Zhichao Yang, Jiangbo Chen, Jianxin Zhang, Yafeng Du, Qinyu Tong, Kang Sun, Yang Liu, Jie Zou, Lusheng Wang, Zengyue Dai, Zhong Tan
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Publication number: 20130324682Abstract: Disclosed is a solid catalyst component for olefin polymerization. The catalyst component comprises a dialkoxy magnesium carrier, a titanium compound, and a product from an internal electron donor reacting in an inert solvent. Said internal electron donor compound comprises a 2,3-di-non-linear-alkyl-2-cyano succinic acid diester compound as presented in formula I: as in formula I, R1 and R2 radicals are independently chosen from linear or branched C1-C4 alkyl groups; R is chosen from C3-C6 iso-alkyl, sec-alkyl, or cycloalkyl groups. Also disclosed is another solid catalyst component. The catalyst component comprises a dialkoxy magnesium carrier, a titanium compound, and a product from an internal electron donor reacting in an inert solvent. In addition to a 2,3-di-non-linear-alkyl-2-cyano succinic acid diester compound as presented in formula I, the internal electron donor compound can also comprise 2-isopropyl-2-(3-methylbutyl)-1,3-dimethoxy propane and/or a carboxylic ester compound.Type: ApplicationFiled: January 19, 2012Publication date: December 5, 2013Inventors: Zhong TAN, Lunjia Xie, Xiudong Xu, Yu Tian, Qilong Zhou, Zaixing Feng, Li'an Yan, Siyuan Zhao, Jinhua Yu, Zhufang Sun, Fengkui Li, Shanshan Yin, Weiwei Song
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Publication number: 20130196847Abstract: The invention relates to a dialkoxyl magnesium carrier, which is a product produced by a reflux reaction of magnesium, an alcohol and mixed halogenated agents under an inert atmosphere. The mixed halogenated agents are iodine and magnesium chloride, and the weight ratio between iodine and magnesium chloride is 0.05:1-1:0.01. The dialkoxyl magnesium carrier is spheroid with uniform particle size distribution, excellent particle morphology and high bulk density. A solid catalyst component and a catalyst based on this carrier for olefin polymerization are also provided, and olefin polymers having a wide molecular weight distribution, good stereoregularity, excellent particle morphology and a low content of fine powders can be obtained.Type: ApplicationFiled: September 9, 2011Publication date: August 1, 2013Inventors: Zhong Tan, Xiudong Xu, Li'an Yan, Qilong Zhou, Weiwei Song, Shanshan Yin, Jinhua Yu, Fengkui Li, Ying Wang, Chunhong Ren
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Publication number: 20120035338Abstract: A process for preparing a solid particle-type catalyst component used for olefin polymerization which contains magnesium, titanium, a halogen and an electron donor as essential ingredients, a catalyst component obtained by said process, and a catalyst containing the catalyst component are disclosed.Type: ApplicationFiled: April 16, 2010Publication date: February 9, 2012Inventors: Zhong Tan, Lian Yan, Xiudong Xu, Qilong Zhou, Weiwei Song, Fengkul Li, Shanshan Yin, Jinhua Yu, Ying Wang, Chunghong Ren
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Patent number: 7512631Abstract: A method to identify database triggers in a data processing system. A request is received to create a database monitor for a specific application event and in response to receiving the request to create the database monitor, the database monitor is created. Then, a request is received to monitor the specific application event within a database and in response to receiving the request to monitor the specific application event, a replicate database of the database is created. Subsequently, the database is compared to the replicate database after the specific application event occurs to identify changes in the database associated with the specific application event. A best candidate is identified for a database trigger based upon the identified changes in the database associated with the specific application event.Type: GrantFiled: March 23, 2006Date of Patent: March 31, 2009Assignee: International Business Machines CorporationInventors: John A. Medicke, Feng-wei Chen Russell, Michael William Smith, Ray Zhong Tan
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Publication number: 20090037460Abstract: A system to identify database triggers in a data processing system. A request is received to create a database monitor for a specific application event and in response to receiving the request to create the database monitor, the database monitor is created. Then, a request is received to monitor the specific application event within a database and in response to receiving the request to monitor the specific application event, a replicate database of the database is created. Subsequently, the database is compared to the replicate database after the specific application event occurs to identify changes in the database associated with the specific application event. A best candidate is identified for a database trigger based upon the identified changes in the database associated with the specific application event.Type: ApplicationFiled: October 14, 2008Publication date: February 5, 2009Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: John A. Medicke, Feng-wei Chen Russell, Michael William Smith, Ray Zhong Tan
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Patent number: 7388060Abstract: The invention relates to a catalyst component for olefin (co)polymerization, to preparation thereof, to a catalyst comprising the same, and to use thereof in olefin (co)polymerization. The catalyst component of the invention comprises magnesium, titanium, halogen, inner electron donor compound, and alkoxy group derived from a surface modifier, wherein the content of the alkoxy group derived from the surface modifier is in a range of from 0.01 to 3 percent by weight, based on the weight of the catalyst component.Type: GrantFiled: January 4, 2006Date of Patent: June 17, 2008Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical IndustryInventors: Zhiwu Wang, Zhong Tan, Zhengyang Guo, Kai Zhang, Tianyi Li, Jun Xiao, Peng Kou, Liang Pan, Li'an Yan, Xingbo Li, Huijuan Xu, Haixiang Cui, Yu Wang, Ling Yang