Patents by Inventor Yuqiang Wang
Yuqiang 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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Publication number: 20200124048Abstract: A scroll compressor of vehicles comprises a housing including a first opening to form a receiving space, a compressing mechanism, and an electrical machinery mechanism including a rotor and a stator. The electrical machinery mechanism, located in the receiving space, drives the compressing mechanism to rotates. A lower holder is fixed to an upper holder via the stator. The stator is coupled to a binding post by lead-out wires, and the binding post, away from a bottom wall of the housing, is located between an inner wall of the housing and an outer wall of the stator. The stator and the binding post are directly or indirectly installed to a same component, and a distance between an outlet of the lead-out wires and the binding post is constant during the assembling process of the binding post and the lead-out wires.Type: ApplicationFiled: March 7, 2018Publication date: April 23, 2020Applicant: SHANGHAI HIGHLY NEW ENERGY TECHNOLOGY CO., LTD.Inventors: Xuefeng SONG, Yuqiang WANG
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Publication number: 20190298387Abstract: An implant for treatment of a vascular space can form open loops and closed loops in separate cycles to provide balanced stiffness and flexibility. Such an implant provides both stability for retention within the vascular space and conformability for mitigating forces on the vasculature. Such a configuration can also provide proper coverage over an opening to a vascular space into which the implant is delivered, for reducing or eliminating flow into or out of the body cavity and promoting occlusion of the vascular space.Type: ApplicationFiled: May 13, 2016Publication date: October 3, 2019Inventors: Yunguo Qin, Zheng Li, Feilong Jin, Jing Tang, Xin Wen, Zhimin Fang, Dongliang Song, Shichang Wen, Yuewen Zheng, Junmin Guo, Quan Zhang, Yuqiang Wang
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Publication number: 20190276413Abstract: The present invention relates to a pyrazine derivative, and preparation method and medical use thereof. The pyrazine derivative can remove free radicals and suppress calcium overload and has cytoprotective effects, and can be used for the prevention and treatment of cardiovascular and cerebrovascular diseases, neurodegenerative diseases and other related diseases.Type: ApplicationFiled: July 4, 2016Publication date: September 12, 2019Applicant: GUANGZHOU MAGPIE PHARMACEUTICALS CO., LTD.Inventors: Yuqiang WANG, Pei YU, Yewei SUN, Luchen SHAN, Gaoxiao ZHANG, Zaijun ZHANG, Peng YI
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Publication number: 20190218192Abstract: The present invention relates to trifluoroacetyl hydrazide compounds and medical uses thereof. The compounds have a structure of the following formula: The compounds showed multifunctional mechanisms, including inhibition of glutamate excitotoxicity, activation of MEF2 transcriptional activity, clearance of free radicals, and promotion of nerve differentiation, and has a better protective effect on cells especially nerve cells. The compound can be used to prepare prophylactic or therapeutic medicaments with cytoprotective effects, for the prevention or treatment of diseases related to glutamate receptor activation, MEF2 disorders or excessive free radicals generation. The diseases include, for example, neurodegenerative diseases such as Alzheimer's disease, Parkinson and stroke, and the free radicals related diseases such as heart disease, myocardial ischemia, diabetes and other cardiovascular and cerebrovascular diseases.Type: ApplicationFiled: March 19, 2019Publication date: July 18, 2019Applicant: GUANGZHOU MAGPIE PHARMACEUTICALS CO., LTD.Inventors: Yuqiang Wang, Haiyun Chen, Zaijun Zhang, Gaoxiao Zhang, Pei Yu, Yewei Sun, Luchen Shan, Liang Tao
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Publication number: 20190202772Abstract: The present invention relates to amantadine nitrate compounds having neural protective effect, and preparation method and medical use thereof. The compounds have the structure of the general formula (II). The compounds have multifunctional mechanisms, including inhibiting NMDA receptors, releasing NO, inhibiting calcium influxes, and having protective effects on cells particularly neurocytes. The compounds can be used in the preparation of medicaments having a cellular protective effect, for prevention or treatment of the diseases related to such as NMDA receptors and elevation of calcium anions in cells, including the diseases related to neurodegeneration such as Alzheimer's disease, Parkinson's disease, cerebral paralysis and glaucoma, and the diseases related to cardio-cerebral-vascular system such as Parkinson's syndrome combined with cerebral arteriosclerosis, as well as respiratory tract infections caused by influenza virus.Type: ApplicationFiled: December 20, 2018Publication date: July 4, 2019Applicant: GUANGZHOU MAGPIE PHARMACEUTICALS CO., LTD.Inventors: Yuqiang WANG, Zheng LIU, Pei YU, Yewei SUN, Zaijun ZHANG, Gaoxiao ZHANG, Luchen SHAN, Peng YI, James LARRICK
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Patent number: 10308616Abstract: The present invention relates to trifluoroacetyl hydrazide compounds and methods of preparation and uses thereof. The compounds have a structure of the following formula: The compounds showed multifunctional mechanisms, including inhibition of glutamate excitotoxicity, activation of MEF2 transcriptional activity, clearance of free radicals, and promotion of nerve differentiation, and has a better protective effect on cells especially nerve cells. The compound can be used to prepare prophylactic or therapeutic medicaments with cytoprotective effects, for the prevention or treatment of diseases related to glutamate receptor activation, MEF2 disorders or excessive free radicals generation. The diseases include, for example, neurodegenerative diseases such as Alzheimer's disease, Parkinson and stroke, and the free radicals related diseases such as heart disease, myocardial ischemia, diabetes and other cardiovascular and cerebrovascular diseases.Type: GrantFiled: August 11, 2015Date of Patent: June 4, 2019Inventors: Yuqiang Wang, Haiyun Chen, Zaijun Zhang, Gaoxiao Zhang, Pei Yu, Yewei Sun, Luchen Shan, Liang Tao
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Patent number: 10214478Abstract: The present invention relates to amantadine nitrate compounds having neural protective effect, and preparation method and medical use thereof. The compounds have the structure of the general formula (I). The compounds have multifunctional mechanisms, including inhibiting NMDA receptors, releasing NO, inhibiting calcium influxes, and having protective effects on cells particularly neurocytes. The compounds can be used in the preparation of medicaments having a cellular protective effect, for prevention or treatment of the diseases related to such as NMDA receptors and elevation of calcium anions in cells, including the diseases related to neurodegeneration such as Alzheimer's disease, Parkinson's disease, cerebral paralysis and glaucoma, and the diseases related to cardio-cerebral-vascular system such as Parkinson's syndrome combined with cerebral arteriosclerosis, as well as respiratory tract infections caused by influenza virus.Type: GrantFiled: November 28, 2016Date of Patent: February 26, 2019Inventors: Yuqiang Wang, Zheng Liu, Pei Yu, Yewei Sun, Zaijun Zhang, Gaoxiao Zhang, Luchen Shan, Peng Yi, James Larrick
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Publication number: 20180346430Abstract: The present invention relates to trifluoroacetyl hydrazide compounds and methods of preparation and uses thereof. The compounds have a structure of the following formula: The compounds showed multifunctional mechanisms, including inhibition of glutamate excitotoxicity, activation of MEF2 transcriptional activity, clearance of free radicals, and promotion of nerve differentiation, and has a better protective effect on cells especially nerve cells. The compound can be used to prepare prophylactic or therapeutic medicaments with cytoprotective effects, for the prevention or treatment of diseases related to glutamate receptor activation, MEF2 disorders or excessive free radicals generation. The diseases include, for example, neurodegenerative diseases such as Alzheimer's disease, Parkinson and stroke, and the free radicals related diseases such as heart disease, myocardial ischemia, diabetes and other cardiovascular and cerebrovascular diseases.Type: ApplicationFiled: August 11, 2015Publication date: December 6, 2018Applicant: GUANGZHOU MAGPIE PHARMACEUTICALS CO., LTD.Inventors: Yuqiang WANG, Haiyun CHEN, Zaijun ZHANG, Gaoxiao ZHANG, Pei YU, Yewei SUN, Luchen SHAN, Liang TAO
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Publication number: 20180147181Abstract: The present invention provides uses of an andrographolide derivative in preparation of a medicament for preventing and treating inflammatory bowel disease. The andrographolide derivative AL-1 has the mechanisms, for the treatment of ulcerative colitis, of scavenging of free radicals, inhibition of NF-?B signaling pathway activation and COX-2 expression, activation of PPAR-? expression, and thus can prevent the transcription and expression of inflammatory-related genes to improve the conditions of inflammation. AL-1 can be used as a medicine for the treatment of inflammatory bowel disease and can be formulated to various dosage forms with a pharmaceutically acceptable carrier.Type: ApplicationFiled: July 4, 2016Publication date: May 31, 2018Applicant: GUANGZHOU MAGPIE PHARMACEUTICALS CO., LTD.Inventors: Yuqiang Wang, Lipeng Xu, Pei Yu, Yewei Sun, Zaijun Zhang, Gaoxiao Zhang, Peng Yi
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Publication number: 20180148404Abstract: The present invention relates to amantadine nitrate compounds having neural protective effect, and preparation method and medical use thereof. The compounds have the structure of the general formula (I). The compounds have multifunctional mechanisms, including inhibiting NMDA receptors, releasing NO, inhibiting calcium influxes, and having protective effects on cells particularly neurocytes. The compounds can be used in the preparation of medicaments having a cellular protective effect, for prevention or treatment of the diseases related to such as NMDA receptors and elevation of calcium anions in cells, including the diseases related to neurodegeneration such as Alzheimer's disease, Parkinson's disease, cerebral paralysis and glaucoma, and the diseases related to cardio-cerebral-vascular system such as Parkinson's syndrome combined with cerebral arteriosclerosis, as well as respiratory tract infections caused by influenza virus.Type: ApplicationFiled: November 28, 2016Publication date: May 31, 2018Applicant: Guangzhou Magpie Pharmaceuticals Co., Ltd.Inventors: Yuqiang Wang, Zheng Liu, Pei Yu, Yewei Sun, Zaijun Zhang, Gaoxiao Zhang, Luchen Shan, Peng Yi, James Larrick
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Patent number: 9938235Abstract: The invention generally relates to compounds of formula (I) with neural protective effect, and preparation and uses thereof. The compounds have multiple mechanisms or functions, for example, inhibition of monoamine oxidase and cholinesterase, scavenging of free radicals, and protection of cells such as nerve cells. The compounds can be used for manufacture of medicaments of cell protection, for prevention and/or treatment of monoamine oxidase, cholinesterase and free radicals related diseases, for example, neurodegenerative diseases such as Alzheimer's disease, Parkinson's disease and stroke, and free-radical related diseases such as heart disease, myocardial ischemia, diabetes and other cardiovascular and cerebrovascular diseases.Type: GrantFiled: March 2, 2015Date of Patent: April 10, 2018Inventors: Yuqiang Wang, Moussa B. H. Youdim, Yewei Sun, Zaizun Zhang, Gaoxiao Zhang, Pei Yu, Peng Yi, Ming Lang, Wei Liu
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Publication number: 20160326099Abstract: The invention generally relates to compounds of formula (I) with neural protective effect, and preparation and uses thereof. The compounds have multiple mechanisms or functions, for example, inhibition of monoamine oxidase and cholinesterase, scavenging of free radicals, and protection of cells such as nerve cells. The compounds can be used for manufacture of medicaments of cell protection, for prevention and/or treatment of monoamine oxidase, cholinesterase and free radicals related diseases, for example, neurodegenerative diseases such as Alzheimer's disease, Parkinson's disease and stroke, and free-radical related diseases such as heart disease, myocardial ischemia, diabetes and other cardiovascular and cerebrovascular diseases.Type: ApplicationFiled: March 20, 2015Publication date: November 10, 2016Applicant: GUANGZHOU MAGPIE PHARMACEUTICAL CO., LTDInventors: Yuqiang WANG, Moussa B.H. YOUDIM, Yewei SUN, Zaizun ZHANG, Gaoxiao ZHANG, Pei YU, Peng YI, Ming LANG, Wei LIU
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Patent number: 9346916Abstract: The invention belongs to energy chemical technical field, especially relates to a fluidized bed reactor and a method for preparation of polyoxymethylene dimethyl ethers from dimethoxymethane and paraformaldehyde. The fluidized bed reactor comprises a gas inlet, a gas distributor, a catalyst inlet, a gas outlet, a fluid inlet, a catalyst outlet, a bottom component and an interstage component, a bottom component related gas upward channel, an interstage component related gas upward channel, a fluid outlet, a bottom downcomer and an interstage downcomer.Type: GrantFiled: January 5, 2015Date of Patent: May 24, 2016Assignees: SHANDONG YUHUANG CHEMICAL CO., LTD., TSINGHUA UNIVERSITYInventors: Jinfu Wang, Qiang Tang, Shengwei Wang, Tiefeng Wang, Shuangxi Chen, Yuqiang Wang
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Publication number: 20150273426Abstract: The invention belongs to energy chemical technical field, especially relates to a fluidized bed reactor and a method for preparation of polyoxymethylene dimethyl ethers from dimethoxymethane and paraformaldehyde. The fluidized bed reactor comprises a gas inlet, a gas distributor, a catalyst inlet, a gas outlet, a fluid inlet, a catalyst outlet, a bottom component and an interstage component, a bottom component related gas upward channel, an interstage component related gas upward channel, a fluid outlet, a bottom downcorner and an interstage downcorner.Type: ApplicationFiled: January 5, 2015Publication date: October 1, 2015Applicants: Shandong Yuhuang Chemical Co., Ltd., Tsinghua UniversityInventors: Jinfu Wang, Qiang Tang, Shengwei Wang, Tiefeng Wang, Shuangxi Chen, Yuqiang Wang
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Patent number: 8796281Abstract: The present invention provides pyrazine derivatives of formula I and pharmaceutically acceptable salts thereof, wherein the designation of R1, R2, R3 and R4 is provided herein. The invention also provides syntheses for preparation of such compounds. The invention further provides methods of use of these compounds and pharmaceutical compositions containing them for treatment and/or prevention of diseases and for manufacture of medicaments. These compounds and pharmaceutical compositions have antioxidative and thrombolytic effects, and thus can be used for the treatment and/or prevention of cerebral stroke caused by ischemia, and used for manufacture of medicaments for the treatment and/or prevention of nervous system diseases caused by excessive amount of radicals and/or thrombosis, infectious diseases, metabolic system diseases, cardiovascular and cerebrovascular diseases, and age-related degenerative diseases.Type: GrantFiled: July 1, 2011Date of Patent: August 5, 2014Assignee: Jinan UniversityInventors: Yuqiang Wang, Yewei Sun, Pei Yu, Jing Du, Gaoxiao Zhang
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Patent number: 8404688Abstract: The present invention provides novel nitrones, their preparation and use. The novel compounds have the following formula: I The compounds of the present invention have strong antioxidative activity, and are thrombolytic. These compounds can be used to treat and/or prevent diseases caused by overproduction of free radicals and/or formation of thrombus.Type: GrantFiled: April 16, 2009Date of Patent: March 26, 2013Assignee: Jinan UniversityInventors: Yuqiang Wang, Jie Jiang, Pei Yu, Yewei Sun, Linda Wang, Zaijun Zhang
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Patent number: 8367720Abstract: The present invention relates to an andrographolide derivative of the formula (I), wherein R1, R2 and R3 are same or different substituents selected from hydrogen, substituted or unsubstituted organic acid radicals, inorganic acid radicals, alkyl, aryl or heteroaryl, and at least one of R1, R2 and R3 is R-lipoic acid, S-lipoic acid or a mixture thereof, or corresponding dihydrolipoic acids thereof, or N-acetylcysteine radical. The derivative has good antitumor effect, can induce apoptosis of tumor cells, can directly kill Gram-positive bacteria (staphylococcus aureus) and drug resistance bacteria (MRSA5676 and MRSA5677), can inhibit the QS-system of Gram-negative bacteria (Pseudomonas aeruginosa), can inhibit and destroy the formation of biofilm of Pseudomonas aeruginosa; and exhibits significant hypoglycemic effect, so that it can be used in manufacture of medicaments for treatment of cancers, inflammation, diabetes, and bacterial and viral infections.Type: GrantFiled: August 7, 2008Date of Patent: February 5, 2013Assignee: Panorama Research Inc.Inventors: Yuqiang Wang, Xiaojian Jiang, Jie Jiang, Zaijun Zhang, Zhaoqi Yang, Pei Yu
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Publication number: 20120115874Abstract: The present invention provides pyrazine derivatives of formula I and pharmaceutically acceptable salts thereof, wherein the designation of R1, R2, R3 and R4 is provided herein. The invention also provides syntheses for preparation of such compounds. The invention further provides methods of use of these compounds and pharmaceutical compositions containing them for treatment and/or prevention of diseases and for manufacture of medicaments. These compounds and pharmaceutical compositions have antioxidative and thrombolytic effects, and thus can be used for the treatment and/or prevention of cerebral stroke caused by ischemia, and used for manufacture of medicaments for the treatment and/or prevention of nervous system diseases caused by excessive amount of radicals and/or thrombosis, infectious diseases, metabolic system diseases, cardiovascular and cerebrovascular diseases, and age-related degenerative diseases.Type: ApplicationFiled: July 1, 2011Publication date: May 10, 2012Applicant: Jinan UniversityInventors: Yuqiang Wang, Yewei Sun, Pei Yu, Jing Du, Gaoxiao Zhang
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Publication number: 20110077295Abstract: The present invention relates to an andrographolide derivative of the formula (I), wherein R1, R2 and R3 are same or different substituents selected from hydrogen, substituted or unsubstituted organic acid radicals, inorganic acid radicals, alkyl, aryl or heteroaryl, and at least one of R1, R2 and R3 is R-lipoic acid, S-lipoic acid or a mixture thereof, or corresponding dihydrolipoic acids thereof, or N-acetylcysteine radical. The derivative has good antitumor effect, can induce apoptosis of tumor cells, can directly kill Gram-positive bacteria (staphylococcus aureus) and drug resistance bacteria (MRSA5676 and MRSA5677), can inhibit the QS-system of Gram-negative bacteria (Pseudomonas aeruginosa), can inhibit and destroy the formation of biofilm of Pseudomonas aeruginosa; and exhibits significant hypoglycemic effect, so that it can be used in manufacture of medicaments for treatment of cancers, inflammation, diabetes, and bacterial and viral infections.Type: ApplicationFiled: August 7, 2008Publication date: March 31, 2011Applicant: PANORAMA RESEARCH INC.Inventors: Yuqiang Wang, Xiaojian Jiang, Jie Jiang, Zaijun Zhang, Zhaoqi Yang, Pei Yu
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Publication number: 20110034485Abstract: The present invention provides novel nitrones, their preparation and use. The novel compounds have the following formula: I The compounds of the present invention have strong antioxidative activity, and are thrombolytic. These compounds can be used to treat and/or prevent diseases caused by overproduction of free radicals and/or formation of thrombus.Type: ApplicationFiled: April 16, 2009Publication date: February 10, 2011Inventors: Yuqiang Wang, Jie Jiang, Pei Yu, Yewei Sun, Linda Wang, Zaijun Zhang