Patents by Inventor Shilei Zhang
Shilei Zhang 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: 11946282Abstract: The present disclosure provides a moving device used in liquid. The moving device includes a mode switching member configured to achieve a position switching of the moving device above a liquid surface and below the liquid surface. When the moving device is below the liquid surface, the moving device is fully submerged below the liquid surface, and when the moving device is above the liquid surface, at least a portion of the moving device is above the liquid surface.Type: GrantFiled: July 17, 2023Date of Patent: April 2, 2024Assignee: XINGMAI INNOVATION TECHNOLOGY (SUZHOU) CO., LTD.Inventor: Shilei Zhang
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Publication number: 20230348413Abstract: Disclosed is a method for preparing a 2-iodoheterocyclic aryl ether at room temperature, including adding an alkali metal hydride and a phenol to a solvent, then adding a diiodoheterocyclic aromatic hydrocarbon, and performing a reaction at 0-100° C., so as to obtain a 2-iodoheterocyclic aryl ether product. In the coupling process of the present invention, no transition metal catalyst needs to be added, and no metal pollution will be caused to the product. The product of the present invention can be used as an organic synthesis raw material for a further reaction, and can also be used as an additive flame retardant reagent to improve the flame retardant performance of plastics.Type: ApplicationFiled: February 22, 2021Publication date: November 2, 2023Inventors: Shilei ZHANG, Wenjing ZHU, Yanwei HU, Liang YU, Jingjing GUI, Yuanrui JIANG
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Patent number: 11795132Abstract: Provided is an application of a metal hydride/palladium compound system in the preparation of a 1,3-dicarbonyl compound in a cascade reaction of an electron-deficient alkene compound, said reaction comprising the following steps: under the protection of nitrogen, a palladium compound and a metal hydride are suspended and stirred in a solvent, then an electron-deficient alkene compound is added; the mixture reacts at 0° C. to 100° C. for 0.3 to 10 hours; a saturated ammonium chloride aqueous solution is added to stop the reaction, and then extraction, drying by evaporation and purification by column chromatography are performed to obtain the product of 1,3-dicarbonyl compound. The hydride and palladium compound catalysts used in the method are reagents easily obtained in a laboratory; compared with the commonly used methods of hydrogenation with hydrogen gas, the method can be easily operated, and has high safety, mild conditions and high reaction yield.Type: GrantFiled: March 15, 2021Date of Patent: October 24, 2023Assignee: SOOCHOW UNIVERSITYInventors: Shilei Zhang, Yujian Mao
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Patent number: 11420925Abstract: Disclosed are a reduction method and reduction product of an alkenyl active methylene compound. The reduction reaction comprises the following steps: taking an alkenyl active methylene compound as a substrate, a metal hydride as a reducing agent, and a palladium compound as a catalyst, performing a reduction reaction to obtain a reduction product, and then reducing the alkenyl active methylene compound. The reduction system is a simple method for reducing the alkenyl active methylene compound, and the used hydride and palladium compound catalyst are both reagents that could easily be obtained in a laboratory. Compared with conventional hydrogen hydrogenation methods and reduction methods of reducing agents, the method is easier to operate, higher in safety, mild in conditions, and high in reaction yield, a reaction in a one-pot two-step manner can be achieved, and high atom economy and step economy can be obtained.Type: GrantFiled: March 12, 2021Date of Patent: August 23, 2022Assignee: SOOCHOW UNIVERSITYInventors: Shilei Zhang, Yujian Mao
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Patent number: 11180437Abstract: Disclosed is a method for preparing a 1,3-dicarbonyl compound based on a metal hydride/palladium compound system. The method includes the following steps: suspending a palladium compound and a metal hydride in a solvent under the protection of nitrogen, then adding an electron-deficient olefin compound, reacting same at 0° C.-100° C. for 0.3 to 10 hours, then adding a saturated ammonium chloride aqueous solution to stop the reaction, and then subjecting same to extraction, evaporation until dryness, and column chromatography purification to obtain the 1,3-dicarbonyl compound. The hydride and palladium compound catalysts used by the present invention are reagents easily obtained in a laboratory. Compared to a common hydrogen hydrogenation method, the method is easier to operate, and has a higher safety, mild conditions, and a high reaction yield.Type: GrantFiled: March 16, 2021Date of Patent: November 23, 2021Assignee: SOOCHOW UNIVERSITYInventors: Shilei Zhang, Yujian Mao
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Publication number: 20210206707Abstract: Provided is an application of a metal hydride/palladium compound system in the preparation of a 1,3-dicarbonyl compound in a cascade reaction of an electron-deficient alkene compound, said reaction comprising the following steps: under the protection of nitrogen, a palladium compound and a metal hydride are suspended and stirred in a solvent, then an electron-deficient alkene compound is added; the mixture reacts at 0° C. to 100° C. for 0.3 to 10 hours; a saturated ammonium chloride aqueous solution is added to stop the reaction, and then extraction, drying by evaporation and purification by column chromatography are performed to obtain the product of 1,3-dicarbonyl compound. The hydride and palladium compound catalysts used in the method are reagents easily obtained in a laboratory; compared with the commonly used methods of hydrogenation with hydrogen gas, the method can be easily operated, and has high safety, mild conditions and high reaction yield.Type: ApplicationFiled: March 15, 2021Publication date: July 8, 2021Inventors: Shilei ZHANG, Yujian MAO
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Publication number: 20210206708Abstract: Disclosed is a method for preparing a 1,3-dicarbonyl compound based on a metal hydride/palladium compound system. The method includes the following steps: suspending a palladium compound and a metal hydride in a solvent under the protection of nitrogen, then adding an electron-deficient olefin compound, reacting same at 0° C.-100° C. for 0.3 to 10 hours, then adding a saturated ammonium chloride aqueous solution to stop the reaction, and then subjecting same to extraction, evaporation until dryness, and column chromatography purification to obtain the 1,3-dicarbonyl compound. The hydride and palladium compound catalysts used by the present invention are reagents easily obtained in a laboratory. Compared to a common hydrogen hydrogenation method, the method is easier to operate, and has a higher safety, mild conditions, and a high reaction yield.Type: ApplicationFiled: March 16, 2021Publication date: July 8, 2021Inventors: Shilei ZHANG, Yujian MAO
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Publication number: 20210198176Abstract: Disclosed are a reduction method and reduction product of an alkenyl active methylene compound. The reduction reaction comprises the following steps: taking an alkenyl active methylene compound as a substrate, a metal hydride as a reducing agent, and a palladium compound as a catalyst, performing a reduction reaction to obtain a reduction product, and then reducing the alkenyl active methylene compound. The reduction system is a simple method for reducing the alkenyl active methylene compound, and the used hydride and palladium compound catalyst are both reagents that could easily be obtained in a laboratory. Compared with conventional hydrogen hydrogenation methods and reduction methods of reducing agents, the method is easier to operate, higher in safety, mild in conditions, and high in reaction yield, a reaction in a one-pot two-step manner can be achieved, and high atom economy and step economy can be obtained.Type: ApplicationFiled: March 12, 2021Publication date: July 1, 2021Inventors: Shilei ZHANG, Yujian MAO
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Patent number: 10941119Abstract: A method of preparing an imidazolin-2-tones compound includes: dissolving a cycloheptatrienone and an aromatic isocyanate in a solvent; and reacting the cycloheptatrienone and the aromatic isocyanate in the solvent without an oxidant and a catalyst to obtain the imidazolin-2-tone compound.Type: GrantFiled: August 14, 2020Date of Patent: March 9, 2021Assignee: SOOCHOW UNIVERSITYInventors: Shilei Zhang, Ye Liu, Jing Jiang, Yujian Mao, Yanwei Hu, Shaohua Chen
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Publication number: 20200369622Abstract: A method of preparing an imidazolin-2-tones compound includes: dissolving a cycloheptatrienone and an aromatic isocyanate in a solvent; and reacting the cycloheptatrienone and the aromatic isocyanate in the solvent without an oxidant and a catalyst to obtain the imidazolin-2-tone compound.Type: ApplicationFiled: August 14, 2020Publication date: November 26, 2020Inventors: Shilei ZHANG, Ye LIU, Jing JIANG, Yujian MAO, Yanwei HU, Shaohua CHEN
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Patent number: 10032454Abstract: Techniques disclosed herein include systems and methods for open-domain voice-enabled searching that is speaker sensitive. Techniques include using speech information, speaker information, and information associated with a spoken query to enhance open voice search results. This includes integrating a textual index with a voice index to support the entire search cycle. Given a voice query, the system can execute two matching processes simultaneously. This can include a text matching process based on the output of speech recognition, as well as a voice matching process based on characteristics of a caller or user voicing a query. Characteristics of the caller can include output of voice feature extraction and metadata about the call. The system clusters callers according to these characteristics. The system can use specific voice and text clusters to modify speech recognition results, as well as modifying search results.Type: GrantFiled: June 25, 2015Date of Patent: July 24, 2018Assignee: Nuance Communications, Inc.Inventors: Shilei Zhang, Shenghua Bao, Wen Liu, Yong Qin, Zhiwei Shuang, Jian Chen, Zhong Su, Qin Shi, William F. Ganong, III
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Publication number: 20150294669Abstract: Techniques disclosed herein include systems and methods for open-domain voice-enabled searching that is speaker sensitive. Techniques include using speech information, speaker information, and information associated with a spoken query to enhance open voice search results. This includes integrating a textual index with a voice index to support the entire search cycle. Given a voice query, the system can execute two matching processes simultaneously. This can include a text matching process based on the output of speech recognition, as well as a voice matching process based on characteristics of a caller or user voicing a query. Characteristics of the caller can include output of voice feature extraction and metadata about the call. The system clusters callers according to these characteristics. The system can use specific voice and text clusters to modify speech recognition results, as well as modifying search results.Type: ApplicationFiled: June 25, 2015Publication date: October 15, 2015Inventors: Shilei Zhang, Shenghua Bao, Wen Liu, Yong Qin, Zhiwei Shuang, Jian Chen, Zhong Su, Qin Shi, William F. Ganong, III
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Patent number: 9099092Abstract: Techniques disclosed herein include systems and methods for open-domain voice-enabled searching that is speaker sensitive. Techniques include using speech information, speaker information, and information associated with a spoken query to enhance open voice search results. This includes integrating a textual index with a voice index to support the entire search cycle. Given a voice query, the system can execute two matching processes simultaneously. This can include a text matching process based on the output of speech recognition, as well as a voice matching process based on characteristics of a caller or user voicing a query. Characteristics of the caller can include output of voice feature extraction and metadata about the call. The system clusters callers according to these characteristics. The system can use specific voice and text clusters to modify speech recognition results, as well as modifying search results.Type: GrantFiled: January 10, 2014Date of Patent: August 4, 2015Assignee: Nuance Communications, Inc.Inventors: Shilei Zhang, Shenghua Bao, Wen Liu, Yong Qin, Zhiwei Shuang, Jian Chen, Zhong Su, Qin Shi, William F. Ganong, III
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Patent number: 9088867Abstract: A location based method of offering a recommendation of content to a user of a mobile station includes receiving information identifying a current location for the mobile station. Then, in a content usage database, records of other mobile stations that have recently been near that location are identified. For each identified record of another mobile station, content resident on an used by the other mobile station in the content usage database is identified. Then, for example, responsive to at least one inquiry received from the mobile station, a recommendation is transmitted through a wireless communications network to the mobile station of the user. The recommendation includes information about the identified content resident on and used by one or more of the other mobile stations.Type: GrantFiled: April 16, 2013Date of Patent: July 21, 2015Assignee: Cellco PartnershipInventor: Shilei Zhang
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Patent number: 8897807Abstract: In a mobile communication network that does not support simultaneous data communication during an active voice call of a mobile station, location information of the mobile station is obtained from a positioning server on the mobile communication network using mobile messaging service type messages as a transport bearer between the mobile station and the mobile communication network. A mobile messaging service message from the mobile station includes information regarding one or more nearby WiFi access points and/or cellular base stations detected by the mobile station. The location of the mobile station is determined by the positioning server, and the results are sent to the mobile station via a responsive mobile messaging service message including the determined location, during the active voice call, for use by an application program running on the mobile station.Type: GrantFiled: November 15, 2011Date of Patent: November 25, 2014Assignee: Cellco PartnershipInventors: Biren Patel, Shilei Zhang
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Publication number: 20140129220Abstract: Techniques disclosed herein include systems and methods for open-domain voice-enabled searching that is speaker sensitive. Techniques include using speech information, speaker information, and information associated with a spoken query to enhance open voice search results. This includes integrating a textual index with a voice index to support the entire search cycle. Given a voice query, the system can execute two matching processes simultaneously. This can include a text matching process based on the output of speech recognition, as well as a voice matching process based on characteristics of a caller or user voicing a query. Characteristics of the caller can include output of voice feature extraction and metadata about the call. The system clusters callers according to these characteristics. The system can use specific voice and text clusters to modify speech recognition results, as well as modifying search results.Type: ApplicationFiled: January 10, 2014Publication date: May 8, 2014Inventors: Shilei Zhang, Shenghua Bao, Wen Liu, Yong Qin, Zhiwei Shuang, Jian Chen, Zhong Su, Qin Shi, William F. Ganong, III
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Patent number: 8630860Abstract: Techniques disclosed herein include systems and methods for open-domain voice-enabled searching that is speaker sensitive. Techniques include using speech information, speaker information, and information associated with a spoken query to enhance open voice search results. This includes integrating a textual index with a voice index to support the entire search cycle. Given a voice query, the system can execute two matching processes simultaneously. This can include a text matching process based on the output of speech recognition, as well as a voice matching process based on characteristics of a caller or user voicing a query. Characteristics of the caller can include output of voice feature extraction and metadata about the call. The system clusters callers according to these characteristics. The system can use specific voice and text clusters to modify speech recognition results, as well as modifying search results.Type: GrantFiled: March 3, 2011Date of Patent: January 14, 2014Assignee: Nuance Communications, Inc.Inventors: Shilei Zhang, Shenghua Bao, Wen Liu, Yong Qin, Zhiwei Shuang, Jian Chen, Zhong Su, Qin Shi, William F. Ganong, III
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Publication number: 20130231139Abstract: A location based method of offering a recommendation of content to a user of a mobile station includes receiving information identifying a current location for the mobile station. Then, in a content usage database, records of other mobile stations that have recently been near that location are identified. For each identified record of another mobile station, content resident on an used by the other mobile station in the content usage database is identified. Then, for example, responsive to at least one inquiry received from the mobile station, a recommendation is transmitted through a wireless communications network to the mobile station of the user. The recommendation includes information about the identified content resident on and used by one or more of the other mobile stations.Type: ApplicationFiled: April 16, 2013Publication date: September 5, 2013Applicant: Cellco Partnership d/b/a Verizon WirelessInventor: Shilei ZHANG
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Publication number: 20130122932Abstract: In a mobile communication network that does not support simultaneous data communication during an active voice call of a mobile station, location information of the mobile station is obtained from a positioning server on the mobile communication network using mobile messaging service type messages as a transport bearer between the mobile station and the mobile communication network. A mobile messaging service message from the mobile station includes information regarding one or more nearby WiFi access points and/or cellular base stations detected by the mobile station. The location of the mobile station is determined by the positioning server, and the results are sent to the mobile station via a responsive mobile messaging service message including the determined location, during the active voice call, for use by an application program running on the mobile station.Type: ApplicationFiled: November 15, 2011Publication date: May 16, 2013Applicant: Cellco Partnership d/b/a Verizon WirelessInventors: Biren PATEL, Shilei ZHANG
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Patent number: 8428622Abstract: A location based method of offering a recommendation of content to a user of a mobile station includes receiving information identifying a current location of the mobile station. Then, in a content usage database, records of other mobile stations that have recently been near that location are identified. For each identified record of another mobile station, content resident on an used by the other mobile station in the content usage database is identified. Then, responsive to at least one inquiry received from the mobile station, a recommendation is transmitted through a wireless communications network to the mobile station of the user. The recommendation includes information about the identified content resident on and used by one or more of the other mobile stations.Type: GrantFiled: September 23, 2011Date of Patent: April 23, 2013Assignee: Cellco PartnershipInventor: Shilei Zhang