Patents by Inventor Weiming Xu
Weiming Xu 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: 20240100813Abstract: A lamination film structure including a combination of: (a) at least one first layer of an oriented polyethylene film and (b) at least one second layer of a blown or cast polyethylene film, wherein the first oriented polyethylene film layer is laminated with the second blown or cast polyethylene film layer; and wherein the blown or cast polyethylene film of component (b) is a blown polyethylene film or a cast polyethylene film comprising a formulated resin including a combination or mixture of: (bi) a predetermined amount of a post-consumer recycled resin sourced from a recycled high density polyethylene resin; and (bii) a predetermined amount of a polyethylene resin; a process for making the above lamination film structure; and a film or article made from a recyclate of the above lamination film structure.Type: ApplicationFiled: April 30, 2021Publication date: March 28, 2024Applicant: Dow Global Technologies LLCInventors: Shenglong Chen, Weiming Ma, Jingyi Xu
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Patent number: 11736441Abstract: Described herein are systems and methods to manage blacklists and duplicate addresses in software defined networks (SDNs). In one implementation, a method includes, in a control plane and data plane of an SDN environment, obtaining a blacklist for a logical port in the SDN environment. The method further includes deleting realized address bindings in a realized address list for the logical port that match the one or more address bindings in the blacklist and preventing subsequent address bindings that match the one or more address bindings in the blacklist from being added to the realized address list.Type: GrantFiled: December 16, 2022Date of Patent: August 22, 2023Assignee: VMware, Inc.Inventors: Rishi Kanth Alapati, Parasuramji Rajendran, Weiming Xu, Shireesh Kumar Singh, Aditi Vutukuri, Anuprem Chalvadi, Chidambareswaran Raman, Margaret Angeline Petrus
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Patent number: 11689499Abstract: Described herein are systems and methods to manage Internet Protocol (IP) address discovery in a software defined networking (SDN) environment. In one example, a manager may generate an IP address discovery configuration and pass the IP address discovery configuration to a controller. Once received, the controller may obtain a discovered list from a hypervisor of one or more IP addresses associated with one or more logical ports and update a realized list for the one or more logical ports based on the discovered list and the IP address discovery configuration.Type: GrantFiled: September 3, 2021Date of Patent: June 27, 2023Assignee: VMware, Inc.Inventors: Parasuramji Rajendran, Rishi Kanth Alapati, Shireesh Kumar Singh, Aditi Vutukuri, Chidambareswaran Raman, Margaret Angeline Petrus, Anuprem Chalvadi, Pallavi Moghe, Weiming Xu
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Publication number: 20230119470Abstract: Provided herein are Heteroaryl Compounds having the following structure: wherein R1-R4 are as defined herein, compositions comprising an effective amount of a Heteroaryl Compound and methods for treating or preventing cancer, inflammatory conditions, immunological conditions, neurodegenerative diseases, diabetes, obesity, neurological disorders, age-related diseases, or cardiovascular conditions, comprising administering an effective amount of a Heteroaryl Compound to a patient in need thereof.Type: ApplicationFiled: February 25, 2022Publication date: April 20, 2023Inventors: Jan ELSNER, Kimberly E. Fultz, Roy L. HARRIS, III, Branden Gingsee LEE, Loui Thomas Madakamutil, Deborah S. Mortensen, Rama Krishna Narla, Garrick K. PACKARD, Patrick PAPA, Jason PARNES, Sophie Perrin-Ninkovic, Jennifer RIGGS, Sabita SANKAR, John J. Sapienza, Graziella I. Shevlin, Lida Tehrani, Weiming XU, Jingjing ZHAO
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Publication number: 20230122596Abstract: Described herein are systems and methods to manage blacklists and duplicate addresses in software defined networks (SDNs). In one implementation, a method includes, in a control plane and data plane of an SDN environment, obtaining a blacklist for a logical port in the SDN environment. The method further includes deleting realized address bindings in a realized address list for the logical port that match the one or more address bindings in the blacklist and preventing subsequent address bindings that match the one or more address bindings in the blacklist from being added to the realized address list.Type: ApplicationFiled: December 16, 2022Publication date: April 20, 2023Inventors: Rishi Kanth Alapati, Parasuramji Rajendran, Weiming Xu, Shireesh Kumar Singh, Aditi Vutukuri, Anuprem Chalvadi, Chidambareswaran Raman, Margaret Angeline Petrus
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Publication number: 20230103217Abstract: Disclosed are (2,2-dimethyl-1,3-dioxolan-4-yl)methyl 2-bromo-2,2-difluoroacetate, a waterborne polyurethane, and preparation methods thereof. The (2,2-dimethyl-1,3-dioxolan-4-yl)methyl 2-bromo-2,2-difluoroacetate could be used as a modified monomer for preparing a waterborne polyurethane, and substituents at a C2 position of the (2,2-dimethyl-1,3-dioxolan-4-yl)methyl 2-bromo-2,2-difluoroacetate are two fluorine atoms and one bromine atom. When it is used for preparing the waterborne polyurethane, fluorine and bromine groups are introduced into the structure of the waterborne polyurethane, and the resultant waterborne polyurethane exhibits good moisture resistance and flame retardance.Type: ApplicationFiled: December 30, 2021Publication date: March 30, 2023Inventors: Shengpeng WANG, BAJIN CHEN, WEIMING XU, JINXING SONG, PENGFEI ZHANG, XIAOJUN WANG, BENCHENG YU, YOUJU HUANG, XIAOBO YANG
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Patent number: 11608550Abstract: The present application relates to the technical field of die steel, and particularly discloses a hot working die steel with high thermal strength and high toughness and a manufacturing process thereof. The hot working die steel with high thermal strength and high toughness includes the following components in percentage by mass: 0.20-0.40% of carbon, 0.05-0.20% of silicon, 0.30-0.60% of manganese, 1.00-4.00% of chromium, 0.50-1.50% of molybdenum, 0.20-0.60% of vanadium, 0.60-1.00% of cobalt, 0.06-0.16% of titanium, 0.03-0.08% of yttrium, 0.03-0.08% of niobium, 0.005-0.012% of phosphorus, 0.003-0.008% of sulfur, and a balance of iron and inevitable impurities.Type: GrantFiled: August 30, 2021Date of Patent: March 21, 2023Assignee: Rugao Hongmao Heavy-duty Forging Co., Ltd.Inventors: Qingchun Zhou, Weiming Xu, Jincai Gu, Jianhui Ge, Bowei Zhao, Junliang Wu, Sheng Ma
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Patent number: 11577228Abstract: The present invention relates to the field of catalysts, and provides a porous layered transition metal dichalcogenide (TMD) and a preparation method and use thereof. The preparation method includes the following steps: (1) mixing silica microspheres, a transition metal salt and an elemental chalcogen, and pressing to obtain a tablet, the silica microspheres having a same or different particle diameters; and (2) sintering the tablet under hydrogen, and removing the silica microspheres to obtain the porous layered TMD. The porous layered TMD prepared by the method of the present invention has a high lattice edge exposure, which provides more active sites and higher catalytic activity, so the porous layered TMD can effectively catalyze the oxidation of alcohols to aldehydes or sulfides to sulfoxides under visible light irradiation.Type: GrantFiled: July 17, 2020Date of Patent: February 14, 2023Assignee: HANGZHOU NORMAL UNIVERSITYInventors: Cheng Wang, Weiming Xu, Huilin Zheng, Pengfei Zhang, Hongyun Shen, Xiaoling Li
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Patent number: 11533294Abstract: Described herein are systems and methods to manage blacklists and duplicate addresses in software defined networks (SDNs). In one implementation, a method includes, in a control plane and data plane of an SDN environment, obtaining a blacklist for a logical port in the SDN environment. The method further includes deleting realized address bindings in a realized address list for the logical port that match the one or more address bindings in the blacklist and preventing subsequent address bindings that match the one or more address bindings in the blacklist from being added to the realized address list.Type: GrantFiled: February 18, 2022Date of Patent: December 20, 2022Assignee: VMware, Inc.Inventors: Rishi Kanth Alapati, Parasuramji Rajendran, Weiming Xu, Shireesh Kumar Singh, Aditi Vutukuri, Anuprem Chalvadi, Chidambareswaran Raman, Margaret Angeline Petrus
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Publication number: 20220372601Abstract: The present application relates to the technical field of die steel, and particularly discloses a hot working die steel with high thermal strength and high toughness and a manufacturing process thereof. The hot working die steel with high thermal strength and high toughness includes the following components in percentage by mass: 0.20-0.40% of carbon, 0.05-0.20% of silicon, 0.30-0.60% of manganese, 1.00-4.00% of chromium, 0.50-1.50% of molybdenum, 0.20-0.60% of vanadium, 0.60-1.00% of cobalt, 0.06-0.16% of titanium, 0.03-0.08% of yttrium, 0.03-0.08% of niobium, 0.005-0.012% of phosphorus, 0.003-0.008% of sulfur, and a balance of iron and inevitable impurities.Type: ApplicationFiled: August 30, 2021Publication date: November 24, 2022Inventors: Qingchun Zhou, Weiming Xu, Jincai Gu, Jianhui Ge, Bowei Zhao, Junliang Wu, Sheng Ma
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Patent number: 11414415Abstract: The present invention relates to the technical field of chemical synthesis of pharmaceutical chemicals, and provides a 6H-imidazo[4,5,1-ij]quinolone, a synthesis method and use thereof. 6H-imidazo[4,5,1-ij]quinolone derivatives provided by the present invention are a novel group of active quinolone derivatives, which have tumor cell inhibition activity and exhibit IC50 values equivalent to anti-lung cancer drug osimertinib; these quinolone derivatives have a broad application prospect in the preparation of antitumor drugs. The 6H-imidazo[4,5,1-ij]quinolone provided by the present invention is of high research and application value and has potential application prospects in fields of pharmaceutical chemicals, materials, dyes, etc. The present invention uses thioquinolinamide as a raw material to synthesize 6H-imidazo[4,5,1-ij]quinolones, featuring simple operation, excellent selectivity, high yield, mild reaction conditions, and easy product separation.Type: GrantFiled: June 19, 2020Date of Patent: August 16, 2022Assignee: HANGZHOU NORMAL UNIVERSITYInventors: Pengfei Zhang, Wei Huang, Chao Shen, Jun Xu, Jiabin Shen, Weiming Xu
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Publication number: 20220174041Abstract: Described herein are systems and methods to manage blacklists and duplicate addresses in software defined networks (SDNs). In one implementation, a method includes, in a control plane and data plane of an SDN environment, obtaining a blacklist for a logical port in the SDN environment. The method further includes deleting realized address bindings in a realized address list for the logical port that match the one or more address bindings in the blacklist and preventing subsequent address bindings that match the one or more address bindings in the blacklist from being added to the realized address list.Type: ApplicationFiled: February 18, 2022Publication date: June 2, 2022Inventors: Rishi Kanth Alapati, Parasuramji Rajendran, Weiming Xu, Shireesh Kumar Singh, Aditi Vutukuri, Anuprem Chalvadi, Chidambareswaran Raman, Margaret Angeline Petrus
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Patent number: 11258757Abstract: Described herein are systems and methods to manage blacklists and duplicate addresses in software defined networks (SDNs). In one implementation, a method includes, in a control plane and data plane of an SDN environment, obtaining a blacklist for a logical port in the SDN environment. The method further includes deleting realized address bindings in a realized address list for the logical port that match the one or more address bindings in the blacklist and preventing subsequent address bindings that match the one or more address bindings in the blacklist from being added to the realized address list.Type: GrantFiled: January 17, 2020Date of Patent: February 22, 2022Assignee: VMware, Inc.Inventors: Rishi Kanth Alapati, Parasuramji Rajendran, Weiming Xu, Shireesh Kumar Singh, Aditi Vutukuri, Anuprem Chalvadi, Chidambareswaran Raman, Margaret Angeline Petrus
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Patent number: 11242307Abstract: A method for preparing alkynyl 2-halo-2,2-difluoroacetate is disclosed. The method comprises: subjecting a 2-halo-2,2-difluoro acetic acid, an alkynol, and a catalyst to an esterification reaction in a solvent, to obtain alkynyl 2-halo-2,2-difluoroacetate, wherein the catalyst includes one or more of sulfuric acid, phosphoric acid and p-toluenesulfonic acid.Type: GrantFiled: October 1, 2020Date of Patent: February 8, 2022Assignees: Hangzhou Transfar Fine Chemical Co., Ltd., Hangzhou Normal University, Zhejiang Transfar Functional New Material Co., Ltd.Inventors: Pengfei Zhang, Shengpeng Wang, Wanmei Li, Weiming Xu, Bajin Chen, Xiaojun Wang
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Publication number: 20220033339Abstract: A method for preparing alkynyl 2-halo-2,2-difluoroacetate is disclosed. The method comprises: subjecting a 2-halo-2,2-difluoro acetic acid, an alkynol, and a catalyst to an esterification reaction in a solvent, to obtain alkynyl 2-halo-2,2-difluoroacetate, wherein the catalyst includes one or more of sulfuric acid, phosphoric acid and p-toluenesulfonic acid.Type: ApplicationFiled: October 1, 2020Publication date: February 3, 2022Inventors: Pengfei ZHANG, Shengpeng WANG, Wanmei LI, Weiming XU, Bajin CHEN, Xiaojun WANG
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Publication number: 20210400014Abstract: Described herein are systems and methods to manage Internet Protocol (IP) address discovery in a software defined networking (SDN) environment. In one example, a manager may generate an IP address discovery configuration and pass the IP address discovery configuration to a controller. Once received, the controller may obtain a discovered list from a hypervisor of one or more IP addresses associated with one or more logical ports and update a realized list for the one or more logical ports based on the discovered list and the IP address discovery configuration.Type: ApplicationFiled: September 3, 2021Publication date: December 23, 2021Inventors: Parasuramji Rajendran, Rishi Kanth Alapati, Shireesh Kumar Singh, Aditi Vutukuri, Chidambareswaran Raman, Margaret Angeline Petrus, Anuprem Chalvadi, Pallavi Moghe, Weiming Xu
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Publication number: 20210362134Abstract: The present invention relates to the field of catalysts, and provides a porous layered transition metal dichalcogenide (TMD) and a preparation method and use thereof. The preparation method includes the following steps: (1) mixing silica microspheres, a transition metal salt and an elemental chalcogen, and pressing to obtain a tablet, the silica microspheres having a same or different particle diameters; and (2) sintering the tablet under hydrogen, and removing the silica microspheres to obtain the porous layered TMD. The porous layered TMD prepared by the method of the present invention has a high lattice edge exposure, which provides more active sites and higher catalytic activity, so the porous layered TMD can effectively catalyze the oxidation of alcohols to aldehydes or sulfides to sulfoxides under visible light irradiation.Type: ApplicationFiled: July 17, 2020Publication date: November 25, 2021Inventors: Cheng Wang, Weiming Xu, Huilin Zheng, Pengfei Zhang, Hongyun Shen, Xiaoling Li
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Patent number: 11161818Abstract: A novel quinolone derivative and methods of its preparation are described in which the novel derivative comprises a diphenyl ether substituent on the nitrogen atom at the 1-position of the main quinolone ring. The novel derivative is shown to have antibacterial and anti-tumor cell activity.Type: GrantFiled: March 24, 2020Date of Patent: November 2, 2021Assignee: HANGZHOU NORMAL UNIVERSITYInventors: Pengfei Zhang, Wanmei Li, Weiming Xu, Haifeng Wu
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Patent number: 11161809Abstract: The disclosure provides processes for preparing 5-fluoro-2-methyl-1-(4-methylthiobenzylidene)-3-indanacetonitrile and for preparing sulindac, relating to the field of medicine. The former comprises mixing 6-fluoro-2-methyl-1-indanone, cyanoacetic acid, a first organic solvent and an acetic acid-based catalyst to proceed with a first condensation reaction to give a first condensation reaction solution, which contains 5-fluoro-2-methyl-3-indanacetonitrile; and mixing the first condensation reaction solution, per se, with a base, a second organic solvent and 4-(methylthio)benzaldehyde to proceed with a second condensation reaction to give 5-fluoro-2-methyl-1-(4-methylthiobenzylidene)-3-indanacetonitrile. The process is a one-pot process without separation of 5-fluoro-2-methyl-3-indanacetonitrile from the solvent, shortening the synthetic route, simplifying the preparation process and improving the 5-fluoro-2-methyl-1-(4-methylthiobenzylidene)-3-indanacetonitrile yield.Type: GrantFiled: April 21, 2020Date of Patent: November 2, 2021Assignees: HANGZHOU NORMAL UNIVERSITY, HANGZHOU LOOP BIOTECH CO., LTDInventors: Weiming Xu, Wanmei Li, Lianzhi Tao, Pengfei Zhang, Hongyun Shen, Dongxiang Feng
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Publication number: 20210332038Abstract: The present invention relates to the technical field of chemical synthesis of pharmaceutical chemicals, and provides a 6H-imidazo[4,5,1-ij]quinolone, a synthesis method and use thereof. 6H-imidazo[4,5,1-ij]quinolone derivatives provided by the present invention are a novel group of active quinolone derivatives, which have tumor cell inhibition activity and exhibit IC50 values equivalent to anti-lung cancer drug osimertinib; these quinolone derivatives have a broad application prospect in the preparation of antitumor drugs. The 6H-imidazo[4,5,1-ij]quinolone provided by the present invention is of high research and application value and has potential application prospects in fields of pharmaceutical chemicals, materials, dyes, etc. The present invention uses thioquinolinainide as a raw material to synthesize 6H-imidazo[4,5,1-ij]quinolones, featuring simple operation, excellent selectivity, high yield, mild reaction conditions, and easy product separation.Type: ApplicationFiled: June 19, 2020Publication date: October 28, 2021Inventors: PENGFEI ZHANG, WEI HUANG, CHAO SHEN, JUN XU, JIABIN SHEN, WEIMING XU