Patents by Inventor Jinhua Yu
Jinhua Yu 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: 11929775Abstract: A mobile terminal, includes a housing, and a middle frame and a display that are disposed in the housing. The display is coupled to the middle frame. An accommodation space is formed between the display and the middle frame. In addition, the mobile terminal further includes a first magnet and a second magnet, and a part of the first magnet and a part of the second magnet are disposed in the accommodation space. The first magnet is disposed on a back facet of the display, the second magnet is disposed on the middle frame, and the first magnet and the second magnet are disposed face to face.Type: GrantFiled: November 16, 2018Date of Patent: March 12, 2024Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Zhuojun Yu, Jinhua Liu, Yingming Li, Yuqing Zhang, Chien Feng Yeh, Renxuan Qin
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Publication number: 20230159527Abstract: Provided are certain Bcl-2 inhibitors, pharmaceutical compositions thereof, and methods of use thereof.Type: ApplicationFiled: May 7, 2021Publication date: May 25, 2023Inventors: Weipeng ZHANG, Hongbin LIU, Rui TAN, Zhifu LI, Yue RONG, Qihong LIU, Zhifang CHEN, Ling CHEN, Hua XU, Zuwen ZHOU, Jinhua YU, Haohan TAN, Bin LIU, Yunling WANG, Lijun YANG, Chengxi HE, Lihua JIANG, Shu LIN, Xingdong ZHAO, Weibo WANG
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Patent number: 11332425Abstract: The magnesium alkoxide particle contains the reaction product of the following components: 1) a magnesium powder; 2) a mixed alcohol; 3) a halogenating agent; and 4) a titanate compound. The magnesium alkoxide particle is used for preparing a catalyst for olefin polymerization.Type: GrantFiled: October 26, 2017Date of Patent: May 17, 2022Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATIONInventors: Xiudong Xu, Zhong Tan, Qilong Zhou, Rui Zhang, Weiwei Song, Jinhua Yu, Fengkui Li, Shanshan Yin
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Publication number: 20210205787Abstract: A catalyst component for olefin polymerization includes magnesium, titanium, a halogen, an internal electron donor compound, and a precipitation aid. The precipitation aid includes a precipitation aid represented by general formula (I). The precipitation aid represented by general formula (I) includes isomers represented by general formula (I-a) and/or (I-b).Type: ApplicationFiled: May 21, 2019Publication date: July 8, 2021Inventors: Rui ZHANG, Zhong TAN, Qilong ZHOU, Xiudong XU, Fengkui LI, Shanshan YIN, Jinhua YU, Weiwei SONG
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Patent number: 11035720Abstract: A warning device for preventing underground cables against accidental excavation comprises an optical fiber vibration sensor having a mode recognition function, a signal processing unit, a wireless communication unit and a power supply unit, wherein the signal processing unit is connected to the optical fiber vibration sensor, the wireless communication unit and the power supply unit, and the optical fiber vibration sensor is installed within a set range of a cable and is used to monitor vibration signals around the cable, so that once a behavior possibly endangering the cable occurs, an alarm is given out in time to reduce power transmission and transformation accidents. Compared with the prior art, the warning device has the advantages of low false alarm rate, rapid response and accurate localization region.Type: GrantFiled: June 28, 2018Date of Patent: June 15, 2021Assignee: STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER COMPANYInventors: Lijun Zhou, Yunjie Zhou, Xiaojuan Jiang, Hong Min, Tiecheng Lou, Jinhua Yu, Jia Chen, Kaibo Ma, Dekang Wen, Ting Ye, Qinqin Han, Ran An, Tianyu Yang, Chenyang Xuan, Yin Zhou, Chenbin Wu
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Publication number: 20200088566Abstract: A warning device for preventing underground cables against accidental excavation comprises an optical fiber vibration sensor having a mode recognition function, a signal processing unit, a wireless communication unit and a power supply unit, wherein the signal processing unit is connected to the optical fiber vibration sensor, the wireless communication unit and the power supply unit, and the optical fiber vibration sensor is installed within a set range of a cable and is used to monitor vibration signals around the cable, so that once a behavior possibly endangering the cable occurs, an alarm is given out in time to reduce power transmission and transformation accidents. Compared with the prior art, the warning device has the advantages of low false alarm rate, rapid response and accurate localization region.Type: ApplicationFiled: June 28, 2018Publication date: March 19, 2020Inventors: Lijun ZHOU, Yunjie ZHOU, Xiaojuan JIANG, Hong MIN, Tiecheng LOU, Jinhua YU, Jia CHEN, Kaibo MA, Dekang WEN, Ting YE, Qinqin HAN, Ran AN, Tianyu YANG, Chenyang XUAN, Yin ZHOU, Chenbin WU
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Publication number: 20190270690Abstract: The magnesium alkoxide particle contains the reaction product of the following components: 1) a magnesium powder; 2) a mixed alcohol; 3) a halogenating agent; and 4) a titanate compound. The magnesium alkoxide particle is used for preparing a catalyst for olefin polymerization.Type: ApplicationFiled: October 26, 2017Publication date: September 5, 2019Inventors: Xiudong XU, Zhong TAN, Qilong ZHOU, Rui ZHANG, Weiwei SONG, Jinhua YU, Fengkui LI, Shanshan YIN
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Patent number: 10150822Abstract: A catalyst component (A) for olefin polymerization is prepared by contacting a solid component (a) containing magnesium, titanium, halogen and an internal electron donor compound with an organosilicon compound (b), wherein the organosilicon compound (b) is one or more selected from a Si—H functional group containing chainlike polysiloxane (b1) represented by formula (Ix), a cyclic polysiloxane (b2) represented by formula (Iy) and a Si—H functional group containing organosilicon compound (b3) represented by formula (Iz). In addition, a process for preparing the catalyst component and the corresponding catalyst is described. The catalyst component and its catalyst have high catalytic activity, good hydrogen response, and good stereospecificity, the catalyst can release its activity more evenly, and the obtained polymer has significantly increased bulk density. The definitions of R1 to R10, n and z in the formulae (Ix), (ly) and (Iz) are as described in the specification.Type: GrantFiled: July 24, 2012Date of Patent: December 11, 2018Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATIONInventors: Qilong Zhou, Zhong Tan, Xiudong Xu, Li'an Yan, Weiwei Song, Fengkui Li, Shanshan Yin, Jinhua Yu
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Patent number: 9376513Abstract: Disclosed is a solid catalyst component for olefin polymerization. The catalyst component comprises a dialkoxy magnesium carrier, a titanium compound, and a product from an internal electron donor reacting in an inert solvent. The internal electron donor compound comprises a 2,3-di-non-linear-alkyl-2-cyano succinic acid diester compound as presented in formula I.Type: GrantFiled: January 19, 2012Date of Patent: June 28, 2016Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: Zhong Tan, Lunjia Xie, Xiudong Xu, Yu Tian, Qilong Zhou, Zaixing Feng, Li'an Yan, Siyuan Zhao, Jinhua Yu, Zhufang Sun, Fengkui Li, Shanshan Yin, Weiwei Song
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Publication number: 20140163185Abstract: A catalyst component (A) for olefin polymerization is prepared by contacting a solid component (a) containing magnesium, titanium, halogen and an internal electron donor compound with an organosilicon compound (b), wherein the organosilicon compound (b) is one or more selected from a Si—H functional group containing chainlike polysiloxane (b1) represented by formula (Ix), a cyclic polysiloxane (b2) represented by formula (Iy) and a Si—H functional group containing organosilicon compound (b3) represented by formula (Iz). In addition, a process for preparing the catalyst component and the corresponding catalyst is described. The catalyst component and its catalyst have high catalytic activity, good hydrogen response, and good stereospecificity, the catalyst can release its activity more evenly, and the obtained polymer has significantly increased bulk density. The definitions of R1 to R10, n and z in the formulae (Ix), (ly) and (Iz) are as described in the specification.Type: ApplicationFiled: July 24, 2012Publication date: June 12, 2014Applicants: BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY CHINA PETROLEUM & CHEMICAL CORPORATION, CHINA PETROLEUM & CHEMICAL CORPORATIONInventors: Qilong Zhou, Zhong Tan, Xiudong Xu, Li'an Yan, Weiwei Song, Fengkui Li, Shanshan Yin, Jinhua Yu
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Publication number: 20130324682Abstract: Disclosed is a solid catalyst component for olefin polymerization. The catalyst component comprises a dialkoxy magnesium carrier, a titanium compound, and a product from an internal electron donor reacting in an inert solvent. Said internal electron donor compound comprises a 2,3-di-non-linear-alkyl-2-cyano succinic acid diester compound as presented in formula I: as in formula I, R1 and R2 radicals are independently chosen from linear or branched C1-C4 alkyl groups; R is chosen from C3-C6 iso-alkyl, sec-alkyl, or cycloalkyl groups. Also disclosed is another solid catalyst component. The catalyst component comprises a dialkoxy magnesium carrier, a titanium compound, and a product from an internal electron donor reacting in an inert solvent. In addition to a 2,3-di-non-linear-alkyl-2-cyano succinic acid diester compound as presented in formula I, the internal electron donor compound can also comprise 2-isopropyl-2-(3-methylbutyl)-1,3-dimethoxy propane and/or a carboxylic ester compound.Type: ApplicationFiled: January 19, 2012Publication date: December 5, 2013Inventors: Zhong TAN, Lunjia Xie, Xiudong Xu, Yu Tian, Qilong Zhou, Zaixing Feng, Li'an Yan, Siyuan Zhao, Jinhua Yu, Zhufang Sun, Fengkui Li, Shanshan Yin, Weiwei Song
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Publication number: 20130196847Abstract: The invention relates to a dialkoxyl magnesium carrier, which is a product produced by a reflux reaction of magnesium, an alcohol and mixed halogenated agents under an inert atmosphere. The mixed halogenated agents are iodine and magnesium chloride, and the weight ratio between iodine and magnesium chloride is 0.05:1-1:0.01. The dialkoxyl magnesium carrier is spheroid with uniform particle size distribution, excellent particle morphology and high bulk density. A solid catalyst component and a catalyst based on this carrier for olefin polymerization are also provided, and olefin polymers having a wide molecular weight distribution, good stereoregularity, excellent particle morphology and a low content of fine powders can be obtained.Type: ApplicationFiled: September 9, 2011Publication date: August 1, 2013Inventors: Zhong Tan, Xiudong Xu, Li'an Yan, Qilong Zhou, Weiwei Song, Shanshan Yin, Jinhua Yu, Fengkui Li, Ying Wang, Chunhong Ren
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Publication number: 20120035338Abstract: A process for preparing a solid particle-type catalyst component used for olefin polymerization which contains magnesium, titanium, a halogen and an electron donor as essential ingredients, a catalyst component obtained by said process, and a catalyst containing the catalyst component are disclosed.Type: ApplicationFiled: April 16, 2010Publication date: February 9, 2012Inventors: Zhong Tan, Lian Yan, Xiudong Xu, Qilong Zhou, Weiwei Song, Fengkul Li, Shanshan Yin, Jinhua Yu, Ying Wang, Chunghong Ren