Patents by Inventor Qun YI
Qun YI 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: 20240184281Abstract: A machine monitoring system includes a plurality of first machines and a control module. The first machines are for a first process. The control module is connected with the first machines. The control module is configured to: define each of the first machines as a high-risk first machine or a low-risk first machine according to a first risk score of each of the first machines; designate one of the first machines being defined as the high-risk first machine as a selected high-risk first machine; assign an object to be processed by the first process through the selected high-risk first machine to obtain a processed object; and determine whether to continue or stop to use the selected high-risk first machine according to a test result of the processed object.Type: ApplicationFiled: February 1, 2023Publication date: June 6, 2024Applicant: United Semiconductor (Xiamen) Co., Ltd.Inventors: Qun Feng Liu, Fujin Wang, Kai Ping Huang, Wen Yi Tan
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Publication number: 20240182643Abstract: A rigid non-isocyanate polyurethane foam and a preparation method therefor are provided. According to the present application, a rigid epoxide is firstly reacted with carbon dioxide to obtain rigid cyclic carbonate, then the product is reacted with diamine to obtain rigid non-isocyanate polyurethane, and the rigid non-isocyanate polyurethane is mixed with a foaming agent for foaming to obtain rigid non-isocyanate polyurethane foam. The present application improves the mechanical property of non-isocyanate polyurethane by optimizing the structures and groups of raw materials; according to the present application, mild reaction conditions such as atmospheric pressure and low temperature are used, and the amounts of reactants and foaming agents are adjusted, so that the reaction is significantly enhanced, and an excellent foaming effect is achieved.Type: ApplicationFiled: September 4, 2023Publication date: June 6, 2024Applicant: Wuhan Institute of TechnologyInventors: Lijuan SHI, Qun YI, Yi HUANG, Qiuxian HONG, Mingyue QIU, Haonan WU, Bohao LI, Hengjun CHEN
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Publication number: 20240118430Abstract: A GNSS emergency monitoring error suppression method for an alpine canyon complex environment is provided. Through three steps of GNSS optimization design of the alpine canyon complex environment, derived error suppression of emergency monitoring criteria in the alpine canyon complex environment, and error suppression measurement and result correction, GNSS measurement errors in the alpine canyons can be effectively suppressed. Through improving measurement accuracy, GNSS technology can be widely applied to the alpine canyons, outstanding advantages of high efficiency and high accuracy in a coordinate transmission process of the GNSS technology are brought into full play, and a cost is effectively reduced. Meanwhile, by processing the errors of the emergency monitoring criteria, it is possible to protect workers from on-site operation risks.Type: ApplicationFiled: September 8, 2023Publication date: April 11, 2024Inventors: Zufeng Li, Heng Zhou, Shuwen Yang, Haixing Shang, Gangyi Zhao, Zhixuan Miao, Qun Zhang, Guangjun Yi, Wei Ren, ShengXue Ke, Ruixue Li
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Publication number: 20230415138Abstract: A non-metal catalyst for synthesizing polycarbonate by CO2 and a preparation method therefor are provided. The preparation method of the non-metal catalyst includes the following steps: dissolving a hydroxyl functionalized organic ammonium halide monomer, a quaternary phosphonium salt monomer, and a hydroxyl functionalized imidazole salt monomer in a solvent, and polymerizing the mixture under the action of an initiator to obtain the non-metal catalyst for synthesizing the polycarbonate by using CO2. The non-metal catalyst prepared by the present invention is used as a heterogeneous catalytic material, is applied to a system for preparing polycarbonate by a one-step copolymerization reaction of CO2 and an epoxy compound, has high catalytic activity, does not need an additional cocatalyst or a solvent, efficiently converts CO2 into the polycarbonate, has no impurities such as metal in the product, and has the advantages of easy separation, recycling, and the like.Type: ApplicationFiled: June 16, 2023Publication date: December 28, 2023Applicant: Wuhan Institute of TechnologyInventors: Qun YI, Lijuan SHI, Mingyue QIU, Haonan WU
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Publication number: 20050171081Abstract: The present invention relates to novel imidazole alkaloid compounds that have been isolated as a form of chloride salt from a root extract of Lepidium meyenii Walp, with the common name Maca, and identified below as 1,3-bis(phenylmethyl)-4,5-dimethyl-1H-imidazlium chloride and 1,3-bis(phenylmethyl)-2,4,5-trimethyl-1H-imidazlium chloride, compounds (1) and (2), respectively. The present invention further relates to the use of these novel compounds (1) and (2) to treat proliferative diseases, such as but not limited to cancer.Type: ApplicationFiled: March 25, 2005Publication date: August 4, 2005Applicant: Pure World Botanicals, Inc.Inventors: Baoliang Cui, Bo Lin Zheng, Kan He, Qun Yi Zheng
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Patent number: 6878731Abstract: The present invention relates to novel imidazole alkaloid compounds that have been isolated as a form of chloride salt from a root extract of Lepidium meyenii Walp, with the common name Maca, and identified below as 1,3-bis(phenylmethyl)-4,5-dimethyl-1H-imidazlium chloride and 1,3-bis(phenylmethyl)-2,4,5-trimethyl-1H-imidazlium chloride, compounds (1) and (2), respectively. The present invention further relates to the use of these novel compounds (1) and (2) to treat proliferative diseases, such as but not limited to cancer.Type: GrantFiled: August 14, 2002Date of Patent: April 12, 2005Assignee: Pure World Botanicals, Inc.Inventors: Baoliang Cui, Bo Lin Zheng, Kan He, Qun Yi Zheng
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Publication number: 20040034079Abstract: The present invention relates to novel imidazole alkaloid compounds that have been isolated as a form of chloride salt from a root extract of Lepidium meyenii Walp, with the common name Maca, and identified below as 1,3-bis(phenylmethyl)-4,5-dimethyl-1H-imidazlium chloride and 1,3-bis(phenylmethyl)-2,4,5-trimethyl-1H-imidazlium chloride, compounds (1) and (2), respectively.Type: ApplicationFiled: August 14, 2002Publication date: February 19, 2004Inventors: Baoliang Cui, Bo Lin Zheng, Kan He, Qun Yi Zheng
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Patent number: 6682697Abstract: The present invention relates generally to the sterilization and disinfection of agricultural and botanical products such as botanical powders. More particularly, the present invention is directed towards the use of HBS technology whereby contaminated agricultural products are contacted, at ambient pressure, with an oxidant such as nascent oxygen or hydroxyl radicals thus resulting in the oxidization and destruction of the contaminating microorganisms.Type: GrantFiled: January 15, 2002Date of Patent: January 27, 2004Assignee: Pure World Botanicals, Inc.Inventors: Kan He, Baoliang Cui, Zhong Guan Shao, Natalie I. Koether, Val Madis, Qun Yi Zheng
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Publication number: 20030194347Abstract: The present invention relates generally to the sterilization and disinfection of agricultural and botanical products such as botanical powders. More particularly, the present invention is directed towards the use of HBS technology whereby contaminated agricultural products are contacted, at ambient pressure, with an oxidant such as nascent oxygen or hydroxyl radicals thus resulting in the oxidization and destruction of the contaminating microorganisms.Type: ApplicationFiled: January 15, 2002Publication date: October 16, 2003Inventors: Kan He, Baoliang Cui, Zhong Guan Shao, Natalie I. Koether, Voldemar Madis, Qun Yi Zheng
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Patent number: 6552206Abstract: The invention relates to compositions that can be isolated from Lepidium plant material and to methods for their isolation. The compositions are useful for treating and preventing cancer and sexual dysfunction.Type: GrantFiled: May 2, 2002Date of Patent: April 22, 2003Assignee: Pure World Botanicals, Inc.Inventors: Bo Lin Zheng, Kan He, Yu Shao, Qun Yi Zheng
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Publication number: 20030068388Abstract: The invention relates to compositions that can be isolated from Lepidium plant material and to methods for their isolation. The compositions are useful for treating and preventing cancer and sexual dysfunction.Type: ApplicationFiled: May 2, 2002Publication date: April 10, 2003Inventors: Bo Lin Zheng, Kan He, Yu Shao, Qun Yi Zheng
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Patent number: 6428824Abstract: An isolated composition obtained by extracting Lepidium meyenii roots is provided. The composition is substantially free of cellulose and comprises between about 5% and about 9% of benzyl isothiocyanate, between about 1% and about 3% of Lepidium sterol component, between about 20% and about 30% of Lepidium fatty acid component, and about 10% or more of macamide component. The composition is prepared by a process which comprises contacting Lepidium meyenii roots with a first aqueous solvent of about 90% vol-% or more water, then separating the residual Lepidium meyenii root material from the first contacted aqueous solvent, then contacting the residual Lepidium meyenii root material with a second aqueous solvent which comprises a mixture of an alcohol and water having about 90 vol-% alcohol or more to form a liquor, and then finally concentrating the liquor to obtain the composition. The composition can be used for treating cancer and sexual dysfunction.Type: GrantFiled: October 19, 2001Date of Patent: August 6, 2002Assignee: Pure World Botanicals, Inc.Inventors: Bo Lin Zheng, Calvin Hyungchan Kim, Stephen Wolthoff, Kan He, Lingling Rogers, Yu Shao, Qun Yi Zheng
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Publication number: 20020061341Abstract: The invention relates to compositions that can be isolated from Lepidium plant material and to methods for their isolation. The compositions are useful for treating and preventing cancer and sexual dysfunction.Type: ApplicationFiled: October 19, 2001Publication date: May 23, 2002Inventors: Bo Lin Zheng, Calvin Hyungchan Kim, Stephen Wolthoff, Kan He, Lingling Rogers, Yu Shao, Qun Yi Zheng
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Publication number: 20020042530Abstract: The invention relates to compositions that can be isolated from Lepidium plant material and to methods for their isolation. The compositions are useful for treating and preventing cancer and sexual dysfunction.Type: ApplicationFiled: June 8, 2001Publication date: April 11, 2002Inventors: Bo Lin Zheng, Calvin Hyungchan Kim, Stephen Wolthoff, Kan He, Lingling Rogers, Yu Shao, Qun Yi Zheng
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Patent number: 6361815Abstract: Provided are products including trihydroxystilbenes and glycosylated derivatives thereof. Also provided are compositions containing these products with an aqueous solvent, particularly and alcohol-water mixture, and reverse phase chromatographic methods for isolating and purifying the compositions from plant materials. The products have biological activity, including anti-tumor activity.Type: GrantFiled: December 21, 1998Date of Patent: March 26, 2002Assignee: Pure World Botanicals, Inc.Inventors: Bo Lin Zheng, Calvin Hyungchan Kim, Kan He, Qun Yi Zheng
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Patent number: 6267995Abstract: An isolated composition obtained by extracting Lepidium meyenii roots is provided. The composition is substantially free of cellulose and comprises between about 5% and about 9% of benzyl isothiocyanate, between about 1% and about 3% of Lepidium sterol component, between about 20% and about 30% of Lepidium fatty acid component, and about 10% or more of macamide component. The composition is prepared by a process which comprises contacting Lepidium meyenii roots with a first aqueous solvent of about 90% vol-% or more water, then separating the residual Lepidium meyenii root material from the first contacted aqueous solvent, then contacting the residual Lepidium meyenii root material with a second aqueous solvent which comprises a mixture of an alcohol and water having about 90 vol-% alcohol or more to form a liquor, and then finally concentrating the liquor to obtain the composition. The composition can be used for treating cancer and sexual dysfunction.Type: GrantFiled: March 3, 1999Date of Patent: July 31, 2001Assignee: Pure World Botanicals, Inc.Inventors: Bo Lin Zheng, Calvin Hyungchan Kim, Stephen Wolthoff, Kan He, Lingling Rogers, Yu Shao, Qun Yi Zheng
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Patent number: RE43005Abstract: The invention relates to compositions that can be isolated from Lepidium plant material and to methods for their isolation. The compositions are useful for treating and preventing cancer and sexual dysfunction.Type: GrantFiled: November 21, 2007Date of Patent: December 6, 2011Assignee: Naturex Inc.Inventors: Bo Lin Zheng, Kan He, Yu Shao, Qun Yi Zheng