Patents by Inventor Weiqiang Wang
Weiqiang Wang 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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Patent number: 11018370Abstract: The invention discloses a separator with a wide temperature range and a low heat shrinkage and a method for preparing the same. The invention belongs to the field of electrochemistry. The separator of the invention includes: an irradiation crosslinked fluoropolymer A with a melting point above 150° C. and/or a polymer B containing a benzene ring in its main chain; an ultrahigh molecular weight polyethylene having a molecular weight of 1.0×106-10.0×106, and a high density polyethylene having a density in the range of 0.940-0.976 g/cm3; the temperature difference between pore closing temperature and film breaking temperature of the separator is 80-90° C., preferably 85-90° C., the heat shrinkage of the separator is 2.0% or less.Type: GrantFiled: April 6, 2017Date of Patent: May 25, 2021Assignee: SHANGHAI ENERGY NEW MATERIALS TECHNOLOGY CO., LTD.Inventors: Alex Cheng, Lei Xiong, Honggui Deng, Fangbo He, Weiqiang Wang
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Publication number: 20210150415Abstract: A feature-selection system obtains a training data set and associated features; divides the training data set into a first number of training data subsets; and forms a plurality of feature-selecting data sets. A feature-selecting data set comprises a second number of training data subsets. The system processes, in parallel, each feature-selecting data set, which comprises: computing a first evaluation index for the features based on the feature-selecting data set; obtaining a group of index ranks corresponding to the features based on the first evaluation index; and obtaining a group of importance ranks corresponding to the features based on the feature-selecting data set and a machine-learning model. The system further obtains a group of total ranks by fusing groups of index ranks and groups importance ranks obtained from processing the plurality of feature-selecting data sets; and selecting target features from the features based on the group of total ranks.Type: ApplicationFiled: January 29, 2021Publication date: May 20, 2021Applicant: Advanced New Technologies Co., Ltd.Inventors: Yuzhou Tang, Hong Jin, Weiqiang Wang, Wenbiao Zhao
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Patent number: 10938065Abstract: The invention discloses a polymer electrolyte membrane and a method for preparing the same. The method comprises the steps of: (1) mixing a molecular sieve material, a polymer and a solvent to obtain a slurry; (2) coating the slurry on a base membrane to form a wet membrane; (3) drying the wet membrane to obtain a dry membrane; and (4) immersing the dry membrane in a lithium salt electrolyte solution, and taking out to obtain a polymer electrolyte membrane.Type: GrantFiled: April 12, 2017Date of Patent: March 2, 2021Assignee: Shanghai Energy New Materials Technology Co., Ltd.Inventors: Alex Cheng, Honggui Deng, Lei Xiong, Lihua Wang, Fangbo He, Weiqiang Wang
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Publication number: 20210049603Abstract: A settlement channel recommendation computer-implemented method, medium, and system are disclosed. In one computer-implemented method, to-be-selected settlement channels and historical capital transaction information of a target user group is obtained. Respective historical indicator data of each settlement channel of the to-be-selected settlement channels is calculated based on the historical capital transaction information. A respective percentage of each settlement channel of the to-be-selected settlement channels is calculated based on the respective historical indicator data of each settlement channel of the to-be-selected settlement channels and target indicator data. An optimal settlement channel to the target user group is recommended based on the respective percentage of each settlement channel of the to-be-selected settlement channels.Type: ApplicationFiled: October 30, 2020Publication date: February 18, 2021Applicant: Advanced New Technologies Co., Ltd.Inventors: Hong Jin, Weiqiang WANG, Fenghua Yan
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Patent number: 10915706Abstract: A computer-implemented method includes: receiving, by a computing device, a text report request from a user device associated with a user; obtaining a behavior history and personal information of the user; inputting the behavior history and the personal information of the user into a model, to obtain a plurality of personalized evaluation results, each personalized evaluation result corresponding to a respective text report category of a plurality of text report categories, in which each personalized evaluation result indicates a predicted relevance of the corresponding text report category to a problem faced by the user, and in which the model includes a classification model trained using one or more supervised learning techniques on a plurality of user behavior history samples and a plurality of personal information samples; and determining an order in which the plurality of text report categories are to be presented to the user.Type: GrantFiled: May 29, 2020Date of Patent: February 9, 2021Assignee: Advanced New Technologies Co., Ltd.Inventors: Hong Jin, Weiqiang Wang
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Publication number: 20200334779Abstract: Implementations of the present specification provide a fraud gang identification method and device. The method includes: constructing a relational network that includes a plurality of nodes; performing cluster discovery based on the relational network to obtain at least one fraud gang included in the relational network, each fraud gang including the plurality of nodes; determining a weak node from the nodes included in the fraud gang, the weak node being a node whose association with the fraud gang meets a weak association criterion; and removing the weak node from the fraud gang to identify a final target fraud gang.Type: ApplicationFiled: June 30, 2020Publication date: October 22, 2020Inventors: Changhua MENG, Kai XIAO, Lujia CHEN, Weiqiang WANG
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Publication number: 20200327551Abstract: Methods and apparatus, including computer programs encoded on computer storage media, for monitoring resource transfer are provided.Type: ApplicationFiled: June 24, 2020Publication date: October 15, 2020Inventors: Xiaoxi JI, Licui GAO, Lujia CHEN, Weiqiang WANG
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Publication number: 20200293716Abstract: A computer-implemented method includes: receiving, by a computing device, a text report request from a user device associated with a user; obtaining a behavior history and personal information of the user; inputting the behavior history and the personal information of the user into a model, to obtain a plurality of personalized evaluation results, each personalized evaluation result corresponding to a respective text report category of a plurality of text report categories, in which each personalized evaluation result indicates a predicted relevance of the corresponding text report category to a problem faced by the user, and in which the model includes a classification model trained using one or more supervised learning techniques on a plurality of user behavior history samples and a plurality of personal information samples; and determining an order in which the plurality of text report categories are to be presented to the user.Type: ApplicationFiled: May 29, 2020Publication date: September 17, 2020Applicant: Alibaba Group Holding LimitedInventors: Hong Jin, Weiqiang Wang
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Publication number: 20200266406Abstract: Disclosed are a separator for an electrochemical device, comprising a porous base membrane and a coating layer being formed on at least one side of the porous base membrane, wherein the coating layer comprises polybenzimidazoles having a weight average molecular weight ranging from 5×103 to 1×106; as well as an electrochemical device including the separator and a method for making the separator.Type: ApplicationFiled: October 8, 2018Publication date: August 20, 2020Inventors: Alex CHENG, Yongle CHEN, Jinzhen BAO, Fangbo HE, Weiqiang WANG
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Publication number: 20190393463Abstract: A method for preparing a lithium-ion battery separator is disclosed. The method comprises: cooling and shaping a liquid-phase stabilization system containing polyethylene, stretching to enlarge pores, extracting with a solvent, and heat-setting to obtain a lithium-ion battery separator, wherein the stretching includes pre-stretching and synchronous bidirectional stretching, and the pre-stretching is completed before the synchronous bidirectional stretching.Type: ApplicationFiled: February 8, 2017Publication date: December 26, 2019Applicant: Shanghai Energy New Materials Technology Co., Ltd.Inventors: Alex Cheng, Xiaoming Su, Weiqiang Wang, Fangbo He, Yongle Chen
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Patent number: 10417426Abstract: Methods, systems, and computer-readable storage media for risk identification of service data using operations of determining, by a client-side computing device, a first service data corresponding to a first operation behavior associated with a user input on the client-side computing device, determining, by the client-side computing device, a first variable corresponding to the first service data, the first variable including a first eigenvalue, retrieving, by the client-side computing device, a second eigenvalue corresponding to a second operation behavior that was performed at a second time before the first operation behavior, generating, by the client-side computing device, a decay value by processing the first time and the second time a decay function, generating, by the client-side computing device, an aggregated data by processing the first variable, the second eigenvalue, and the decay value using an aggregation function, and determining, by the one or more processors, a risk associated with the firstType: GrantFiled: August 30, 2017Date of Patent: September 17, 2019Assignee: Alibaba Group Holding LimitedInventors: Lujia Chen, Qingyue Zhou, Weiqiang Wang
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Publication number: 20190157645Abstract: Disclosed in present invention are a high-wettability separator and a preparation method therefor. The separator comprises an ethylene copolymer, a grafting polyolefin, an ultrahigh molecular weight polyethylene having a molecular weight ranging from 1.0×106 to 10.0×106, and a high-density polyethylene having a density ranging from 0.940 g/cm3 to 0.976 g/cm3, the content of the ethylene copolymer is 1-5 parts by weight, and the content of the grafting polyolefin is 0-5 parts by weight, on the basis that the total weight of the ultrahigh molecular weight polyethylene and the high-density polyethylene is 100 parts. The separator has a contact angle with lithium ion battery electrolyte of 20° to 40°.Type: ApplicationFiled: April 13, 2017Publication date: May 23, 2019Applicant: Shanghai Energy New Materials Technology Co., Ltd.Inventors: Alex Cheng, Lei Xiong, Honggui Deng, Fangbo He, Weiqiang Wang
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Publication number: 20190140319Abstract: The invention discloses a polymer electrolyte membrane and a method for preparing the same. The method comprises the steps of: (1) mixing a molecular sieve material, a polymer and a solvent to obtain a slurry; (2) coating the slurry on a base membrane to form a wet membrane; (3) drying the wet membrane to obtain a dry membrane; and (4) immersing the dry membrane in a lithium salt electrolyte solution, and taking out to obtain a polymer electrolyte membrane.Type: ApplicationFiled: April 12, 2017Publication date: May 9, 2019Inventors: Alex Cheng, Honggui Deng, Lei Xiong, Lihua Wang, Fangbo He, Weiqiang Wang
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Publication number: 20190130116Abstract: A method for data risk control comprises categorizing batch transaction data in a preset time period according to a first attribute, generating a graph indicator of a corresponding graph for each category of the batch transaction data according to a second attribute, the corresponding graph configured to identify risks in the batch transaction data, inputting the graph indicators corresponding to different categories of the batch transaction data into corresponding risk identification models, and determining whether the batch transaction data corresponding to the input graph indicators has a risk based on results output by the models. This scheme can quickly and accurately identify risks in batch transaction data.Type: ApplicationFiled: December 27, 2018Publication date: May 2, 2019Inventors: WENHU HUO, CHENGWEI HUANG, WEIQIANG WANG
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Patent number: 10266541Abstract: Disclosed are a joint production method and device for aziridine, piperazine and triethylenediamine. The method comprises: reaction 1, preparing piperazine and triethylenediamine by taking ethanol amine as a raw material under the existence of a cyclamine catalyst; reaction 2, preparing aziridine by taking the ethanol amine as the raw material under the existence of a catalyst B; and taking heat released in the reaction 1 as a heat source of heat absorption in the reaction 2. The device comprises a reactor 1 for carrying out the reaction 1 and the heat exchange between reaction materials of the reaction 1 and the raw material of the reaction 2 and a reactor 2 for carrying out the reaction 2.Type: GrantFiled: November 17, 2017Date of Patent: April 23, 2019Assignee: XI'AN MODERN CHEMISTRY RESEARCH INSTITUTEInventors: Jianming Yang, Suning Mei, Qinwei Yu, Feng Hui, Jun Yuan, Wei Wang, Yani Li, Weiqiang Wang, Jian Lu
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Publication number: 20190088985Abstract: The invention discloses a separator with a wide temperature range and a low heat shrinkage and a method for preparing the same. The invention belongs to the field of electrochemistry. The separator of the invention includes: an irradiation crosslinked fluoropolymer A with a melting point above 150° C. and/or a polymer B containing a benzene ring in its main chain; an ultrahigh molecular weight polyethylene having a molecular weight of 1.0×106-10.0×106, and a high density polyethylene having a density in the range of 0.940-0.976 g/cm3; the temperature difference between pore closing temperature and film breaking temperature of the separator is 80-90° C., preferably 85-90° C., the heat shrinkage of the separator is 2.0% or less.Type: ApplicationFiled: April 6, 2017Publication date: March 21, 2019Inventors: Alex Cheng, Lei Xiong, Honggui Deng, Fangbo He, Weiqiang Wang
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Publication number: 20180093993Abstract: Disclosed are a joint production method and device for aziridine, piperazine and triethylenediamine. The method comprises: reaction 1, preparing piperazine and triethylenediamine by taking ethanol amine as a raw material under the existence of a cyclamine catalyst; reaction 2, preparing aziridine by taking the ethanol amine as the raw material under the existence of a catalyst B; and taking heat released in the reaction 1 as a heat source of heat absorption in the reaction 2. The device comprises a reactor 1 for carrying out the reaction 1 and the heat exchange between reaction materials of the reaction 1 and the raw material of the reaction 2 and a reactor 2 for carrying out the reaction 2.Type: ApplicationFiled: November 17, 2017Publication date: April 5, 2018Inventors: Jianming Yang, Suning Mei, Qinwei Yu, Feng Hui, Jun Yuan, Wei Wang, Yani Li, Weiqiang Wang, Jian Lu
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Patent number: 9920008Abstract: The present invention relates to a catalyst for synthesizing ethylenimine as well as a preparation method and application thereof. The related catalyst comprises a carrier and metal ions loaded on the carrier; the carrier is a composite oxide comprising titanium, silicon and phosphorus elements; the metal ions are magnesium ions, iron ions and cesium ions; the molar ratio of the magnesium ions to the iron ions to the cesium ions is (1-10):1:0.1; the mass of all metal ions is 0.5-10 percent of that of the carrier. In the related preparation method, a catalyst precursor is roasted at the temperature of 350-650° C., so that the catalyst is obtained; the catalyst precursor is the mixture of the carrier, soluble salt of magnesium, soluble salt of iron and soluble salt of cesium. The present invention also provides the application of the catalyst to synthesis of the ethylenimine by using amino alcohol as the raw material. Compared with a common catalyst which has the requirement on the temperature of over 400° C.Type: GrantFiled: September 5, 2014Date of Patent: March 20, 2018Assignee: XI'AN MODERN CHEMISTRY RESEARCH INSTITUTEInventors: Jianming Yang, Jian Lu, Suning Mei, Qinwei Yu, Feng Hui, Yani Li, Fengwei Zhao, Weiqiang Wang, Wei Wang
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Publication number: 20180060587Abstract: Methods, systems, and computer-readable storage media for risk identification of service data using operations of determining, by a client-side computing device, a first service data corresponding to a first operation behavior associated with a user input on the client-side computing device, determining, by the client-side computing device, a first variable corresponding to the first service data, the first variable including a first eigenvalue, retrieving, by the client-side computing device, a second eigenvalue corresponding to a second operation behavior that was performed at a second time before the first operation behavior, generating, by the client-side computing device, a decay value by processing the first time and the second time a decay function, generating, by the client-side computing device, an aggregated data by processing the first variable, the second eigenvalue, and the decay value using an aggregation function, and determining, by the one or more processors, a risk associated with the firstType: ApplicationFiled: August 30, 2017Publication date: March 1, 2018Applicant: Alibaba Group Holding LimitedInventors: Lujia CHEN, Qingyue ZHOU, Weiqiang WANG
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Patent number: 9850250Abstract: Disclosed are a joint production method and device for aziridine, piperazine and triethylenediamine. The method comprises: reaction 1, preparing piperazine and triethylenediamine by taking ethanol amine as a raw material under the existence of a cyclamine catalyst; reaction 2, preparing aziridine by taking the ethanol amine as the raw material under the existence of a catalyst B; and taking heat released in the reaction 1 as a heat source of heat absorption in the reaction 2. The device comprises a reactor 1 for carrying out the reaction 1 and the heat exchange between reaction materials of the reaction 1 and the raw material of the reaction 2 and a reactor 2 for carrying out the reaction 2.Type: GrantFiled: September 5, 2014Date of Patent: December 26, 2017Assignee: XI'AN MODERN CHEMISTRY RESEARCH INSTITUTEInventors: Jianming Yang, Suning Mei, Qinwei Yu, Feng Hui, Jun Yuan, Wei Wang, Yani Li, Weiqiang Wang, Jian Lu