Patents by Inventor Peng Dong
Peng Dong 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: 11616226Abstract: The disclosure discloses a method for preparing a high-voltage cathode material by body modification and regeneration of a waste lithium cobaltate material.Type: GrantFiled: April 16, 2021Date of Patent: March 28, 2023Assignee: Kunming University of Science and TechnologyInventors: Yingjie Zhang, Peng Dong, Qi Meng, Siyuan Zhou, Qingxiang Li, Shaoqiang Zhou, Jianguo Duan, Xue Li, Yin Liu, Duanyun Chen
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Publication number: 20230082842Abstract: The present disclosure describes a method for repairing a cathode material of a spent lithium-ion battery, which includes: mixing the cathode material of the spent lithium-ion battery, a lithium sheet, a solid oxidant and absolute ethanol under a protective atmosphere for repairing to obtain a repaired cathode material of the lithium-ion battery, where a temperature for the repairing is 20-70° C.; a ratio of the amount of substance of lithium atoms to the total amount of substance of other metal atoms in the cathode material of the spent lithium-ion battery is (0.5-1):1, excluding 1:1.Type: ApplicationFiled: May 20, 2022Publication date: March 16, 2023Applicant: Kunming University of Science and TechnologyInventors: Yingjie Zhang, Peng Dong, Qi Meng, Yannan Zhang, Zitong Fei, Chenchen Li, Lei Liu, Jin Yan
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Patent number: 11571717Abstract: A wafer cleaning apparatus includes: a brush, configured to wash a surface to be cleaned of a wafer; a base for carrying the brush, the base having at least one conductive disk, a disk surface of the conductive disk being parallel to the surface to be cleaned, and the base being able to rotate around an axis of the base; and a magnetic field generation structure configured to emit, to the conductive disk, a magnetic field perpendicular to the disk surface of the conductive disk, so that an induced electric field is generated in the conductive disk during the rotation of the base. The quality of wafer cleaning and the yield of wafer products can be improved.Type: GrantFiled: May 8, 2021Date of Patent: February 7, 2023Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.Inventor: Peng Dong
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Patent number: 11498897Abstract: A preparing method for high-purity levetiracetam, comprising: adjusting the pH of an extracted aqueous layer obtained by dissociating (S)-?-ethyl-2-oxo-1-pyrrolidineacetic acid (R)-methylbenzylamine salt to 5-9; removing water; adding an organic solvent to form a solution and then performing an esterification reaction with ethyl chloroformate or methylchlorofonmate; and carrying out an ammonolysis reaction to obtain the levetiracetam. The method simplifies production process, increases yield, reduces or even avoids the use of triethylamine in the esterification process, and reduces the emission of a great amount of three wastes.Type: GrantFiled: August 9, 2018Date of Patent: November 15, 2022Assignees: Zhejiang Huahai Pharmaceutical Co., Ltd., Zhejiang Huahai Tiancheng Pharmaceutical Co., Ltd., Zhejiang Huahai Zhicheng Pharmaceutical Co., Ltd.Inventors: Xinlei Chen, Zhicheng Hu, Liang Zheng, Peng Dong
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Patent number: 11434210Abstract: A method for synthesizing valsartan, comprising the steps of: synthesizing a valsartan methyl ester intermediate to obtain a reaction mixture of the valsartan methyl ester intermediate; diluting the reaction mixture by salt water or water, and then using a first extraction solvent to extract the valsartan methyl ester intermediate; adding alkali to an organic layer containing the valsartan methyl ester intermediate for hydrolyzing, removing the organic layer, regulating pH of a water layer to be acidic by using acid, using the first extraction solvent to extract, concentrating a part of solvent, or distilling the solvent to dryness, and then adding a new solvent; finally, crystallizing, filtering, and drying to obtain the valsartan.Type: GrantFiled: July 17, 2018Date of Patent: September 6, 2022Assignee: Zhejiang Huahai Pharmaceutical Co., LtdInventors: Xiaohui Zhou, Xiaoren Zhu, Yuanxun Zhu, Peng Dong, Peng Wang, Jinsheng Lin, Wenquan Zhu, Min Li
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Publication number: 20220266308Abstract: A wafer cleaning apparatus includes: a brush, configured to wash a surface to be cleaned of a wafer; a base for carrying the brush, the base having at least one conductive disk, a disk surface of the conductive disk being parallel to the surface to be cleaned, and the base being able to rotate around an axis of the base; and a magnetic field generation structure configured to emit, to the conductive disk, a magnetic field perpendicular to the disk surface of the conductive disk, so that an induced electric field is generated in the conductive disk during the rotation of the base. The quality of wafer cleaning and the yield of wafer products can be improved.Type: ApplicationFiled: May 8, 2021Publication date: August 25, 2022Applicant: CHANGXIN MEMORY TECHNOLOGIES, INC.Inventor: Peng DONG
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Patent number: 11356738Abstract: A processor may receive a recording. The recording may include one or more user guidance sequences and be displayed to a user. The processor may receive a first user input response to an initiation of a first user guidance sequence. The processor may determine, in response to receiving the first user input, that there is a discrepancy between the first user input and the first user guidance sequence. The processor may automatically modify the playback setting of the recording. The processor may display the discrepancy between the first user input and the first user guidance sequence to the user.Type: GrantFiled: November 13, 2018Date of Patent: June 7, 2022Assignee: International Business Machines CorporationInventors: Ping Xiao, Shi Yu Wang, Xue Yong Zhang, Ya Peng Dong, Xiao Xiao Pei
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Publication number: 20220170139Abstract: A calcium-bearing magnesium and rare earth element alloy consists essentially of, in mass percent, zinc (Zn): 1-3%; aluminum (Al): 1-3%; calcium (Ca): 0.1-0.4%; gadolinium (Gd): 0.1-0.4%; yttrium (Y): 0-0.4%; manganese (Mn): 0-0.2%; and balance magnesium (Mg).Type: ApplicationFiled: February 16, 2022Publication date: June 2, 2022Applicant: The Boeing CompanyInventors: Haitao Jiang, Qiang Kang, Yun Zhang, Peng Liu, Peng Dong, Zhe Xu, Chaomin Liu
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Patent number: 11286544Abstract: A calcium-bearing magnesium and rare earth element alloy consists essentially of, in mass percent, zinc (Zn): 1-3%; aluminum (Al): 1-3%; calcium (Ca): 0.1-0.4%; gadolinium (Gd): 0.1-0.4%; yttrium (Y): 0-0.4%; manganese (Mn): 0-0.2%; and balance magnesium (Mg).Type: GrantFiled: September 11, 2017Date of Patent: March 29, 2022Assignee: The Boeing CompanyInventors: Haitao Jiang, Qiang Kang, Yun Zhang, Peng Liu, Peng Dong, Zhe Xu, Chaomin Liu
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Publication number: 20220075278Abstract: The developing device comprises: a development chamber that is provided with an air extraction pipeline for extracting air inside the development chamber to outside the development chamber; a carrier that is disposed in the development chamber for supporting a wafer; a plurality of temperature sensors that are disposed on the carrier for detecting temperatures of a plurality of target regions; a plurality of mutually independent air supply pipelines for supplying air to the development chamber, each of the target regions corresponding to at least one air supply pipeline; and a control unit for acquiring measured temperatures of the temperature sensors and calculating current temperatures of the corresponding target regions, and basing on the current temperatures of the target regions to adjust air parameters of the corresponding air supply pipelines, so that the temperatures of the corresponding target regions rest within a preset temperature range.Type: ApplicationFiled: November 19, 2021Publication date: March 10, 2022Inventor: Peng DONG
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Publication number: 20210397101Abstract: An overlay compensation method can be applied to a wafer, and include: acquiring overlays of an exposed wafer; dividing the exposed wafer into a plurality of regions; calculating compensation values corresponding to the regions respectively according to the overlays corresponding to the regions; and compensating corresponding regions of a to-be-exposed wafer respectively by using the compensation values. The overlay compensation method, the exposure system, the server and the computer-readable storage medium can improve the accuracy of overlay compensation for a wafer and improve a product yield.Type: ApplicationFiled: September 2, 2021Publication date: December 23, 2021Applicant: CHANGXIN MEMORY TECHNOLOGIES, INC.Inventor: Peng DONG
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Publication number: 20210391568Abstract: The disclosure discloses a method for preparing a high-voltage cathode material by body modification and regeneration of a waste lithium cobaltate material.Type: ApplicationFiled: April 16, 2021Publication date: December 16, 2021Inventors: Yingjie Zhang, Peng Dong, Qi Meng, Siyuan Zhou, Qingxiang Li, Shaoqiang Zhou, Jianguo Duan, Xue Li, Yin Liu, Duanyun Chen
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Patent number: 11121777Abstract: Signal sending method and apparatus. The signal sending method includes: sending, by a first apparatus, an optical signal to a second apparatus in a slot before a first wavelength slot; sending, by the first apparatus, a first optical signal to the second apparatus in the first wavelength slot; and sending, by the first apparatus, an optical signal to a second apparatus in the slot after the first wavelength slot. A wavelength of the first optical signal is a first wavelength. The first optical signal sent by the first apparatus in one first wavelength slot is used to carry first wavelength data on one symbol. Wavelengths of the optical signals sent by the first apparatus in the slots before and after the first wavelength slot are wavelengths other than the first wavelength.Type: GrantFiled: April 9, 2020Date of Patent: September 14, 2021Assignee: Huawei Technologies Co., Ltd.Inventors: Guanghao Shao, Peng Dong
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Publication number: 20210269408Abstract: A method for synthesizing valsartan, comprising the steps of: synthesizing a valsartan methyl ester intermediate to obtain a reaction mixture of the valsartan methyl ester intermediate; diluting the reaction mixture by salt water or water, and then using a first extraction solvent to extract the valsartan methyl ester intermediate; adding alkali to an organic layer containing the valsartan methyl ester intermediate for hydrolyzing, removing the organic layer, regulating pH of a water layer to be acidic by using acid, using the first extraction solvent to extract, concentrating a part of solvent, or distilling the solvent to dryness, and then adding a new solvent; finally, crystallizing, filtering, and drying to obtain the valsartan.Type: ApplicationFiled: July 17, 2018Publication date: September 2, 2021Inventors: Xiaohui ZHOU, Xiaoren ZHU, Yuanxun ZHU, Peng DONG, Peng WANG, Jinsheng LIN, Wenquan ZHU, Min LI
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Patent number: 11101892Abstract: Signal sending method and apparatus. The signal sending method includes: sending, by a first apparatus, an optical signal to a second apparatus in a slot before a first wavelength slot; sending, by the first apparatus, a first optical signal to the second apparatus in the first wavelength slot; and sending, by the first apparatus, an optical signal to a second apparatus in the slot after the first wavelength slot. A wavelength of the first optical signal is a first wavelength. The first optical signal sent by the first apparatus in one first wavelength slot is used to carry first wavelength data on one symbol. Wavelengths of the optical signals sent by the first apparatus in the slots before and after the first wavelength slot are wavelengths other than the first wavelength.Type: GrantFiled: April 9, 2020Date of Patent: August 24, 2021Assignee: Huawei Technologies Co., Ltd.Inventors: Guanghao Shao, Peng Dong
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Patent number: 10917341Abstract: A forwarding path selection method and device are disclosed. If a data packet to be sent to a target device is a start packet of a flowlet in which the data packet is located, a sender device selects a low-load path from a plurality of paths to forward the data packet, and sets a forwarding decision of a flow in which the data packet is located to the selected path, where load of each path is load of traffic received by a corresponding intermediate device from the sender device or load of traffic sent by a corresponding intermediate device to the target device, whichever is higher. Flowlet-based load balancing can be implemented only by providing related functions on one type of device.Type: GrantFiled: June 14, 2019Date of Patent: February 9, 2021Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Li Shen, Hong Zhou, Heyang Liu, Peng Dong
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Publication number: 20200231504Abstract: The present invention discloses a method for synergistic stabilization/solidification of red mud and phosphogypsum. The method includes: grinding and mixing red mud and phosphogypsum, adding deionized water, uniformly stirring the mixture to prepare slurry, adjusting a pH value of the slurry to 7.5-8.5, adding a conditioner and conducting stirring, adding a stabilizer and an anti-permeability agent, uniformly stirring the mixture to obtain a gel product, and conducting solidification for 12-24 h to solidify the red mud and phosphogypsum, to obtain a red mud-phosphogypsum solidified material. In the present invention, the neutralization reaction between acidic ions in phosphogypsum and basic ions in red mud is adopted to reduce a pH value of the red mud and a transfer capability of pollutants in waste residues; synergistic solidification processing is conducted on two types of solid wastes: red mud produced in the aluminum smelting industry and phosphogypsum produced in the phosphorus chemical industry.Type: ApplicationFiled: January 22, 2020Publication date: July 23, 2020Inventors: PING NING, YU LIU, BIN LI, YINGJIE ZHANG, PENG DONG, JIANG QI
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Publication number: 20200235818Abstract: Embodiments of the present invention provide a signal sending method and apparatus, and the signal sending method includes: sending, by a first apparatus, an optical signal to a second apparatus in a slot before a first wavelength slot; sending, by the first apparatus, a first optical signal to the second apparatus in the first wavelength slot; and sending, by the first apparatus, an optical signal to a second apparatus in the slot after the first wavelength slot. A wavelength of the first optical signal is a first wavelength. The first optical signal sent by the first apparatus in one first wavelength slot is used to carry first wavelength data on one symbol. Wavelengths of the optical signals sent by the first apparatus in the slots before and after the first wavelength slot are wavelengths other than the first wavelength.Type: ApplicationFiled: April 9, 2020Publication date: July 23, 2020Inventors: Guanghao SHAO, Peng DONG
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Publication number: 20200172479Abstract: A preparing method for high-purity levetiracetam, comprising: adjusting the pH of an extracted aqueous layer obtained by dissociating (S)-?-ethyl-2-oxo-1-pyrrolidineacetic acid (R)-methylbenzylamine salt to 5-9; removing water; adding an organic solvent to form a solution and then performing an esterification reaction with ethyl chloroformate or methylchlorofonmate; and carrying out an ammonolysis reaction to obtain the levetiracetam. The method simplifies production process, increases yield, reduces or even avoids the use of triethylamine in the esterification process, and reduces the emission of a great amount of three wastes.Type: ApplicationFiled: August 9, 2018Publication date: June 4, 2020Inventors: Xinlei Chen, Zhicheng Hu, Liang Zheng, Peng Dong
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Publication number: 20200154173Abstract: A processor may receive a recording. The recording may include one or more user guidance sequences and be displayed to a user. The processor may receive a first user input response to an initiation of a first user guidance sequence. The processor may determine, in response to receiving the first user input, that there is a discrepancy between the first user input and the first user guidance sequence. The processor may automatically modify the playback setting of the recording. The processor may display the discrepancy between the first user input and the first user guidance sequence to the user.Type: ApplicationFiled: November 13, 2018Publication date: May 14, 2020Inventors: Ping Xiao, Shi Yu Wang, Xue Yong Zhang, Ya Peng Dong, Xiao Xiao Pei