Patents by Inventor Haiqing Lin
Haiqing Lin 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: 20240132516Abstract: The present application relates to an anti-tumor compound and a preparation method and use thereof, and in particular to a compound or a tautomer, a mesomer, a racemate, an enantiomer or a diastereoisomer thereof, or a mixture thereof, or a pharmaceutically acceptable salt thereof, and a preparation method and use thereof.Type: ApplicationFiled: October 26, 2023Publication date: April 25, 2024Inventors: Yu ZHANG, Zhongyuan ZHU, Haiqing HUA, Bing LI, Jian LI, Shengchao LIN, Xi LI, Hongxia SHEN
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Patent number: 11952384Abstract: The present application relates to an anti-tumor compound and a preparation method and use thereof, and in particular to a compound or a tautomer, a mesomer, a racemate, an enantiomer or a diastereoisomer thereof, or a mixture thereof, or a pharmaceutically acceptable salt thereof, and a preparation method and use thereof.Type: GrantFiled: December 28, 2022Date of Patent: April 9, 2024Assignee: DUALITY BIOLOGICS (SUZHOU) CO., LTD.Inventors: Yu Zhang, Zhongyuan Zhu, Haiqing Hua, Bing Li, Jian Li, Shengchao Lin, Xi Li, Hongxia Shen
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Publication number: 20230058997Abstract: Provided are composite articles having a membrane and a porous substrate, where the porous substrate has the membrane disposed thereon. The membrane has two layers, where the first layer has the second layer disposed thereon, and each layer has a plurality of polymer chains with a plurality of silicon-oxygen groups and a plurality of silicon-carbon groups. The first layer has a silicon to oxygen ratio of about 4:1 to about 1:1.25 and a silicon to carbon ratio of about 1:2 to about 1:10, and the second layer has a silicon to oxygen ratio of about 1:1 to about 1:2 and a silicon to carbon ratio of about 2:1 to about 10:1. At least a portion of the polymer chains of the second layer am crosslinked. The composite articles may be used in gas separation methods. Also provided are methods of making the composite articles and devices utilizing the composite articles.Type: ApplicationFiled: January 19, 2021Publication date: February 23, 2023Inventors: Lingxiang ZHU, Liang HUANG, Mark SWIHART, Haiqing LIN
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Patent number: 11349258Abstract: A self-locking plug includes a main body, a plug bush seat arranged in the main body for positioning a plug bush, at least one locking tab, and a linkage. The self-locking plug further includes a key mechanism arranged in the main body. The key mechanism includes a pressing portion and a driving portion which are respectively arranged at two ends of the key mechanism. The driving portion is associated with one end of the linkage, and is configured to drive the linkage to reciprocate in an axial direction of the main body to switch the locking tab between a releasing state and a locking state.Type: GrantFiled: July 3, 2020Date of Patent: May 31, 2022Assignee: BEIJING TOP ELECTRIC CO., LTD.Inventors: Haiqing Lin, Qiang Yu, Yue Zhang
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Publication number: 20200335910Abstract: A self-locking plug includes a main body, a plug bush seat arranged in the main body for positioning a plug bush, at least one locking tab, and a linkage. The self-locking plug further includes a key mechanism arranged in the main body. The key mechanism includes a pressing portion and a driving portion which are respectively arranged at two ends of the key mechanism. The driving portion is associated with one end of the linkage, and is configured to drive the linkage to reciprocate in an axial direction of the main body to switch the locking tab between a releasing state and a locking state.Type: ApplicationFiled: July 3, 2020Publication date: October 22, 2020Applicant: BEIJING TOP ELECTRIC CO., LTD.Inventors: Haiqing LIN, Qiang YU, Yue ZHANG
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Publication number: 20200062882Abstract: Provided are UHMW polymers having a molecular weight of 500 kg/mol or greater. The UHMW polymers can be block copolymers, homopolymers, and random/statistical copolymers. The UHMW polymers can be used to form porous layers, which may be used in filtration membranes, such as, for example, ultrafiltration membranes. The filtration membranes can be used in various separation methods.Type: ApplicationFiled: May 4, 2018Publication date: February 27, 2020Inventors: Javid RZAYEV, Jose MAPAS, Haiqing LIN
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Patent number: 9792917Abstract: The present invention relates to an audio processing device and method, and an electro-acoustic converting device and method. The audio processing device comprises: a first receiving module, configured to receive a first audio signal; a second receiving module, configured to receive a second audio signal; an audio synthesizing module, configured to synthesize the first audio signal and the second audio signal to obtain a third audio signal; and an audio outputting module, configured to output the third audio signal. According to the present invention, when enjoying songs or music or learning languages by using an audio processing device or an audio playing device, a user is capable of hearing his or her own voice while singing or reading, which greatly improves the effects of self-entertainment and language learning.Type: GrantFiled: May 8, 2014Date of Patent: October 17, 2017Assignee: KT MICRO, INC.Inventors: Dianyu Chen, Yihai Xiang, Haiqing Lin, Pan Mu, Yanqing Wu, Hekai Kang, Dongfeng Zhou, Yuqiang Yuan, Wenhui Yuan, Jinfeng Wu
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Publication number: 20160086610Abstract: The present invention relates to an audio processing device and method, and an electro-acoustic converting device and method. The audio processing device comprises: a first receiving module, configured to receive a first audio signal; a second receiving module, configured to receive a second audio signal; an audio synthesizing module, configured to synthesize the first audio signal and the second audio signal to obtain a third audio signal; and an audio outputting module, configured to output the third audio signal. According to the present invention, when enjoying songs or music or learning languages by using an audio processing device or an audio playing device, a user is capable of hearing his or her own voice while singing or reading, which greatly improves the effects of self-entertainment and language learning.Type: ApplicationFiled: May 8, 2014Publication date: March 24, 2016Applicant: KT MICRO, INC.Inventors: Dianyu CHEN, Yihai XIANG, Haiqing LIN, Pan MU, Yanqing WU, Hekai KANG, Dongfeng ZHOU, Yuqiang YUAN, Wenhui YUAN, Jinfeng WU
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Publication number: 20150174524Abstract: A gas separation process that utilizes ejector recycle with a membrane separation step in combination with a second separation step. The second separation step may be a second membrane separation, or may involve a different type of separation process. At least a portion of the non-product (i.e. residue) stream withdrawn from the second separation step is directed back to the ejector to form a processing loop. The ejector drives the gas flow in the loop and recycles the non-product stream to the first separation step.Type: ApplicationFiled: March 5, 2015Publication date: June 25, 2015Applicant: MEMBRANE TECHNOLOGY AND RESEARCH, INC.Inventors: Nicholas P. Wynn, Haiqing Lin, Meijuan Zhou, Jennifer Ly, Adrian Serbanescu-Martin
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Patent number: 9017451Abstract: A gas separation process that utilizes ejector recycle with a membrane separation step in combination with a second separation step. The second separation step may be a second membrane separation, or may involve a different type of separation process. At least a portion of the non-product (i.e. residue) stream withdrawn from the second separation step is directed back to the ejector to form a processing loop. The ejector drives the gas flow in the loop and recycles the non-product stream to the first separation step.Type: GrantFiled: March 16, 2012Date of Patent: April 28, 2015Assignee: Membrane Technology and Research, Inc.Inventors: Nicholas P. Wynn, Haiqing Lin, Meijuan Zhou, Jennifer H. Ly, Livia Serbanescu-Martin
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Patent number: 8862089Abstract: A circuit for a front-end tunable filter of a communication and broadcast receiver and a tuning method thereof are described herein. In one aspect, the circuit of the tunable filter may be independent of the signal reception link of the receiver. The pre-filter (104) includes a variable capacitance (146) which is adjusted by a tuning signal (160). A negative resistance element (144) and the pre-filter (104) may form an oscillator. The negative resistance element (144) is controlled by an amplitude control signal (162) outputted from an oscillation amplitude control circuit (142). The oscillation amplitude control circuit (142) stabilizes the amplitude of a radio frequency signal (130) in a preset range. An oscillation frequency control circuit (140) stabilizes the frequency of the signal (130) in a preset frequency range by a tuning signal (160). The tuning is completed until both of the amplitude and the frequency of the oscillation signal meet the preset ranges.Type: GrantFiled: October 18, 2012Date of Patent: October 14, 2014Assignee: Beijing KT Micro, Ltd.Inventors: Han Wang, Yi Yang, Zhen Li, Pei Yang, Dianyu Chen, Haiqing Lin, Yihai Xiang, Zhongzhi Liu
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Patent number: 8771637Abstract: Disclosed herein is a process for the production of hydrogen by autothermal reforming of natural gas, with simultaneous recovery of carbon dioxide using carbon dioxide-selective membrane separation. Residual gas from the hydrogen and carbon dioxide recovery is recycled back to the autothermal reformer.Type: GrantFiled: February 10, 2012Date of Patent: July 8, 2014Assignee: Membrane Technology and Research, Inc.Inventors: Nicholas P. Wynn, Douglas E Gottschlich, Haiqing Lin
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Patent number: 8623926Abstract: Disclosed herein is a methanol production process that includes at least two membrane separation steps. Using the process of the invention, the efficiency of methanol production from syngas is increased by reducing the compression requirements of the process and/or improving the methanol product yield. As an additional advantage, the first membrane separation step generates a hydrogen-rich stream which can be sent for other uses. An additional benefit is that the process of the invention may debottleneck existing methanol plants if more syngas or carbon dioxide is available, allowing for feed of imported carbon dioxide into the synthesis loop. This is a way of sequestering carbon dioxide.Type: GrantFiled: April 13, 2012Date of Patent: January 7, 2014Assignee: Membrane Technology and Research, Inc.Inventors: Nicholas P Wynn, Sylvie Thomas-Droz, Meijuan Zhou, Zhenjie He, Haiqing Lin
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Patent number: 8564467Abstract: A method and device for generating an adjustable signal includes a voltage generator configured to continuously adjust an output voltage and output the voltage, a ?? modulator configured to output a digital signal of pre-determined-cycle based on the output voltage and a reference voltage, a counter configured to count the number of a target level in the digital signal of a pre-determined number of cycles, and a digital signal generator configured to generate a target signal based on the number of the target level. The method and device may improve the accuracy of the generated signal while remaining the same feel of continuous adjustment.Type: GrantFiled: September 30, 2011Date of Patent: October 22, 2013Assignee: Beijing KT Micro, Ltd.Inventors: Pei Yang, Rongrong Bai, Jianting Wang, Yaoli Jiang, Dianyu Chen, Yan Qi, Rui Wang, Zhen Li, Shizhu Chen, Xiuli Feng, Bo Tang, Zhongzhi Liu, Haiqing Lin, Yihai Xiang
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Publication number: 20130263734Abstract: Disclosed herein is a process for producing oxygen-enriched air that involves a membrane separation step that uses glassy polymer membranes that have a selectivity to oxygen over nitrogen of at least 2.4.Type: ApplicationFiled: April 4, 2012Publication date: October 10, 2013Applicant: MEMBRANE TECHNOLOGY AND RESEARCH, INCInventors: Nicholas P. Wynn, Haiqing Lin, Meijuan Zhou, Jennifer H. Ly, Timothy C. Merkel
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Publication number: 20130040595Abstract: A circuit for a front-end tunable filter of a communication and broadcast receiver and a tuning method thereof are described herein. In one aspect, the circuit of the tunable filter may be independent of the signal reception link of the receiver. The pre-filter (104) includes a variable capacitance (146) which is adjusted by a tuning signal (160). A negative resistance element (144) and the pre-filter (104) may form an oscillator. The negative resistance element (144) is controlled by an amplitude control signal (162) outputted from an oscillation amplitude control circuit (142). The oscillation amplitude control circuit (142) stabilizes the amplitude of a radio frequency signal (130) in a preset range. An oscillation frequency control circuit (140) stabilizes the frequency of the signal (130) in a preset frequency range by a tuning signal (160). The tuning is completed until both of the amplitude and the frequency of the oscillation signal meet the preset ranges.Type: ApplicationFiled: October 18, 2012Publication date: February 14, 2013Applicant: BEIJING KT MICRO, LTD.Inventors: Han Wang, Yi Yang, Zhen Li, Pei Yang, Dianyu Chen, Haiqing Lin, Yihai Xiang, Zhongzhi Liu
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Publication number: 20130005840Abstract: Disclosed herein is a methanol production process that includes at least two membrane separation steps. Using the process of the invention, the efficiency of methanol production from syngas is increased by reducing the compression requirements of the process and/or improving the methanol product yield. As an additional advantage, the first membrane separation step generates a hydrogen-rich stream which can be sent for other uses. An additional benefit is that the process of the invention may debottleneck existing methanol plants if more syngas or carbon dioxide is available, allowing for feed of imported carbon dioxide into the synthesis loop. This is a way of sequestering carbon dioxide.Type: ApplicationFiled: April 13, 2012Publication date: January 3, 2013Applicant: MEMBRANE TECHNOLOGY AND RESEARCH, INC.Inventors: Nicolas P. Wynn, Sylvie Thomas-Droz, Meijuan Zhou, Zhenjie He, Haiqing Lin
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Publication number: 20120141367Abstract: Disclosed herein is a process for the production of hydrogen by autothermal reforming of natural gas, with simultaneous recovery of carbon dioxide using carbon dioxide-selective membrane separation. Residual gas from the hydrogen and carbon dioxide recovery is recycled back to the autothermal reformer.Type: ApplicationFiled: February 10, 2012Publication date: June 7, 2012Applicant: MEMBRANE TECHNOLOGY AND RESEARCH, INCInventors: Nicholas P. Wynn, Douglas E. Gottschlich, Haiqing Lin
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Publication number: 20120127008Abstract: An adjustable signal generating device and related method for generating the adjustable signal are described herein. The adjustable signal generating device includes: a voltage generator configured to continuously adjust an output voltage and output the voltage; a ?? modulator configured to output a digital signal of pre-determined-cycle based on the output voltage and a reference voltage; a counter configured to count the number of a target level in the digital signal of a pre-determined number of cycles; and a digital signal generator configured to generate a target signal based on the number of the target level. The described method and device improve the accuracy of the generated signal while remaining the same feel of continuous adjustment.Type: ApplicationFiled: September 30, 2011Publication date: May 24, 2012Applicant: BEIJING KT MICRO, LTD.Inventors: Pei Yang, Rongrong Bai, Jianting Wang, Yaoli Jiang, Dianyu Chen, Yan Qi, Rui Wang, Zhen Li, Shizhu Chen, Xiuli Feng, Bo Tang, Zhongzhi Liu, Haiqing Lin, Yihai Xiang
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Patent number: 8128733Abstract: A membrane-based gas separation process for treating gas streams that contain methane in low concentrations. The invention involves flowing the stream to be treated across the feed side of a membrane and flowing a sweep gas stream, usually air, across the permeate side. Carbon dioxide permeates the membrane preferentially and is picked up in the sweep air stream on the permeate side; oxygen permeates in the other direction and is picked up in the methane-containing stream. The resulting residue stream is enriched in methane as well as oxygen and has an EMC value enabling it to be either flared or combusted by mixing with ordinary air.Type: GrantFiled: May 11, 2009Date of Patent: March 6, 2012Assignee: Membrane Technology & Research, IncInventors: Johannes G. Wijmans, Timothy C. Merkel, Haiqing Lin, Scott Thompson, Ramin Daniels