Patents by Inventor Hongjiang Xu

Hongjiang Xu 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).

  • Patent number: 11590991
    Abstract: A bogie and a rail vehicle, wherein the bogie includes: a framework, a wheel pair connected to the framework, a braking hanger fixed to the framework, a hanger slider used for fixedly connecting to a vehicle wheel braking clamp, and a transmission member; the hanger slider is connected to the braking hanger, and the transmission member is connected to the hanger slider; a first end of the transmission member extends to a side surface of a vehicle wheel in the wheel pair, and the transmission member is used to drive the hanger slider to move along the lateral direction with respect to the braking hanger when the first end is subjected to a thrust applied in the lateral direction by the vehicle wheel, so that the vehicle wheel braking clamp moves to a position corresponding to the vehicle wheel.
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: February 28, 2023
    Assignee: CRRC TANGSHAN CO., LTD.
    Inventors: Lixin Zhang, Hongjiang Xu, Hongwei Jing, Yunlong Zhang, Chuan Ma, Guangsheng Zheng, Chao Li
  • Patent number: 11572372
    Abstract: Disclosed are a class of anti-HBV tetrahydroisoxazolo[4,3-c]pyridine compounds and pharmaceutically acceptable salts thereof or isomers thereof, the compounds being represented by the formula (I).
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: February 7, 2023
    Assignee: Medshine Discovery Inc.
    Inventors: Lifang Wu, Fei Sun, Jinhua Du, Charles Z. Ding, Shuhui Chen, Xiquan Zhang, Hongjiang Xu, Ling Yang
  • Publication number: 20230015906
    Abstract: A drug combination containing a TLR7 agonist. Specifically, a drug combination jointly using the compound of formula I acting as a TLR7 agonist and entecavir for the treatment of hepatitis B virus infection and a use thereof, the drug combination having a good anti-hepatitis B virus infection effect.
    Type: Application
    Filed: September 29, 2020
    Publication date: January 19, 2023
    Inventors: Hongjiang Xu, Dandan Lu, Xingfeng Ge, Wei Song, Wei Shi, Ling Yang, Xiquan Zhang, Hao Yu, Zhongnan Xu
  • Patent number: 11534398
    Abstract: The present invention belongs to the field of medicine, relates to an inhaled preparation of isoglycyrrhizic acid or a salt thereof, and in particular relates to an inhaled preparation of magnesium isoglycyrrhizinate and the use thereof in preparing drugs for treating respiratory system diseases.
    Type: Grant
    Filed: August 7, 2020
    Date of Patent: December 27, 2022
    Assignee: Chia Tai Tianqing Pharmaceutical Group Co., Ltd.
    Inventors: Hongmei Gu, Shanchun Wang, Xiquan Zhang, Lei Huang, Hongjiang Xu, Wei Song, Ping Dong, Zhongying Sun, Ying Zhang, Deyang Chen
  • Patent number: 11466024
    Abstract: A bicyclic compound acting as a ROR? inhibitor. Provided are a compound of formula (I) or a pharmaceutically acceptable salt thereof, the compound having a structure as represented by formula (I-A) or formula (I-B). The provided compound of formula (I-A) or formula (I-B) or pharmaceutically acceptable salt thereof has good ROR? inhibitory activities, being expected to be used for treating diseases mediated by ROR? receptors in a mammal.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: October 11, 2022
    Assignees: Chia Tai Tianqing Pharmaceutical Group Co., Ltd., Medshine Discovery Inc.
    Inventors: Kevin X Chen, Kai Zhou, Yanxin Yu, Boyu Hu, Linghui Wu, Xiaoyuan Chen, Jiangfeng Lin, Haomin Chen, Xiangjian Wang, Xiquan Zhang, Xin Tian, Hongjiang Xu
  • Publication number: 20220289833
    Abstract: Disclosed is an isolated monoclonal antibody that specifically binds human TSLP, or the antigen-binding portion thereof. A nucleic acid molecule encoding the antibody, an expression vector, a host cell and a method for expressing the antibody are also provided. The present disclosure further provides a bispecific molecule, an immunoconjugate, a CAR-immune cell, an oncolytic virus and a pharmaceutical composition comprising the antibody, as well as a treatment method using an anti-TSLP antibody of the disclosure.
    Type: Application
    Filed: September 3, 2020
    Publication date: September 15, 2022
    Inventors: Mingjiu CHEN, Wei TAN, Cathy Xiaoyan ZHONG, Zhengping ZHANG, Xiaofang ZOU, Wei SONG, Hongjiang XU
  • Publication number: 20220235053
    Abstract: Disclosed are a compound of formula I as a toll-like receptor 7 (TLR7) agonist or a pharmaceutically acceptable salt thereof for treating colorectal cancer, a pharmaceutical combination for treating colorectal cancer comprising the TLR7 agonist and a tyrosine kinase inhibitor, and the use of the compound of formula I or the pharmaceutically acceptable salt thereof and the pharmaceutical combination for treating colorectal cancer.
    Type: Application
    Filed: October 12, 2019
    Publication date: July 28, 2022
    Applicant: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
    Inventors: Hongjiang XU, Mincheng ZHANG, Ying ZHANG, Wei SONG, Ling WANG, Xiquan ZHANG
  • Patent number: 11396503
    Abstract: Provided is a sulfonyl-substituted bicyclic compound (A) which acts as a ROR? inhibitor, said compound has good ROR? inhibitory activity and is expected to be used for treating diseases mediated by a ROR? receptor in mammals.
    Type: Grant
    Filed: September 30, 2018
    Date of Patent: July 26, 2022
    Assignees: Chia Tai Tianqing Pharmaceutical Group Co., Ltd., Nanjing Gear Pharma & Tech Co., Ltd.
    Inventors: Xiaolong Wang, Anle Yang, Hongjian Jiang, Jian Zhou, Lei Chen, Xiaolong Jiang, Ling Yang, Hongjiang Xu, Xiaohan Geng
  • Publication number: 20220220110
    Abstract: Disclosed is a methyl- and trifluoromethyl-containing disubstituted sulfonamide selective BCL-2 inhibitor; specifically disclosed are a compound of formula I, a stereoisomer or pharmaceutically acceptable salt of same, a preparation method therefor, and a pharmaceutical composition comprising the compound. Also disclosed are uses of the compound and of the pharmaceutical composition comprising the compound in treating anti-apoptotic protein BCL-2-related diseases such as cancer.
    Type: Application
    Filed: May 22, 2020
    Publication date: July 14, 2022
    Applicant: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
    Inventors: Fei LIU, Yanlong LIU, Hongjiang XU, Xiquan ZHANG, Shanchun WANG, Jianqing ZHANG, Weiwei FENG, Bin WANG, Jinan WANG, Yubing WANG, Xujing TANG, Quandeng NIE
  • Publication number: 20220185774
    Abstract: Provided is a compound of formula I or II, a stereoisomer, a tautomer, a geometrical isomer, a solvate, an active metabolite, a hydrate, a prodrug or a pharmaceutically acceptable salt thereof, a pharmaceutical composition thereof, and the medical uses thereof in treating diseases benefiting from the capsid protein assembly inhibitor, particularly diseases caused by hepatitis B virus infection.
    Type: Application
    Filed: September 27, 2019
    Publication date: June 16, 2022
    Inventors: Yinsheng ZHANG, Wangwei AO, Yuan LI, Hui WANG, Hangzhou SHEN, Jie NI, Huan ZHANG, Jie WU, Li ZHANG, Kai CAO, Peng LU, Xushi LIU, Jie WANG, Tianxiao ZHAO, Xingfeng GE, Dandan LU, Shuo CHEN, Xueqin MA, Wei SHI, Xiaojin WANG, Hongjiang XU
  • Publication number: 20220033419
    Abstract: The present application belongs to the field of pharmaceutical chemistry, and relates to a furo[3,4-b]pyrrole-containing BTK inhibitor, and in particular, to a compound of formula (I), a stereisomer or pharmacologically acceptable salt thereof, a preparation method therefor, a pharmaceutical composition containing the compound, and use thereof in treating BTK-related diseases.
    Type: Application
    Filed: September 12, 2019
    Publication date: February 3, 2022
    Inventors: Yinsheng Zhang, Hongjiang Xu, Jing Ren, Qinglin Wang, Zheyang Wu, Chao Jin, Wei Shi, Xiaojin Wang, Xiangyi He, Xiayun Chang, Jie WANG, Tianxiao Zhao
  • Publication number: 20220002290
    Abstract: Disclosed is a trifluoromethyl-substituted sulfonamide BCL-2-selective inhibitor, in particular disclosed are a compound of formula I, a stereoisomer or a pharmaceutically acceptable salt thereof, a preparation method therefor, and a pharmaceutical composition thereof. Also disclosed are the uses of said compound and of a pharmaceutical composition comprising same for treating anti-apoptotic BCL-2-related diseases, such as cancer.
    Type: Application
    Filed: October 29, 2019
    Publication date: January 6, 2022
    Inventors: Fei Liu, Weiwei Feng, Bin Wang, Hongjiang Xu, Jinan Wang, Xiquan Zhang, Shanchun Wang, Yanlong Liu, Jianqing Zhang, Yiyan Yao, Xujing Tang, Wei Shi, Hongying Zhang, Yang Li, Song Tang, Yizhong Zhu, Limin Liu, Hongmei Gu, Ling Yang
  • Publication number: 20210395952
    Abstract: A ground rail transfer device includes: a support rail provided on the ground and used for unloading a vertical load of a bogie in a rail vehicle; a guide rail provided on the ground and used for driving the bogie to perform a rail transfer operation; and a transition plate provided on the ground and located between a first rail and a second rail which are different in a gauge; wherein a difference between the top surface height of the transition plate and the top surface height of the first rail is equal to a distance between a wheel rim vertex circle and a wheel tread of the rail vehicle.
    Type: Application
    Filed: September 7, 2018
    Publication date: December 23, 2021
    Applicant: CRRC TANGSHAN CO., LTD.
    Inventors: Xiaojun ZHANG, Jianke ZHENG, Lijun ZHANG, Hongjiang XU, Xiuyu SUN, Feng ZHAO, Yongjiang MA, Xueyi SONG, Guangsheng ZHENG, Taoguang HAO, Wei WANG
  • Publication number: 20210300923
    Abstract: The present invention relates to a sulfoximine compound represented by formula (I) as a bromodomain protein inhibitor and a pharmaceutically acceptable salt thereof and to a preparation method, pharmaceutical composition, and medical use thereof.
    Type: Application
    Filed: July 25, 2019
    Publication date: September 30, 2021
    Inventors: Jijun LI, Yan ZHU, Yeliu WANG, Xianxing SHANG, Huting WANG, Weinan HE, Qin YAN, Yinghui SUN, Kai ZHANG, Chang LU, Hongjiang XU, Xin TIAN, Ling YANG
  • Publication number: 20210246119
    Abstract: The invention discloses a crystal of 4-(tert-butoxyamino)-6-(6-(trifluoromethyl)pyridin-2-yl)-N-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazin-2-amine compound, a mesylate salt and crystal thereof, a preparation method thereof, a composition containing thereof, and a use thereof for inhibiting activity of mutant IDH2 and treating cancer.
    Type: Application
    Filed: April 27, 2021
    Publication date: August 12, 2021
    Inventors: Ticong Huang, Huifeng Xiao, Rui Zhao, Fei Liu, Wei Wei, Hongjiang Xu, Xiaojin Wang, Jingli Wu
  • Publication number: 20210237782
    Abstract: A bogie and a rail vehicle, wherein the bogie includes: a framework, a wheel pair connected to the framework, a braking hanger fixed to the framework, a hanger slider used for fixedly connecting to a vehicle wheel braking clamp, and a transmission member; the hanger slider is connected to the braking hanger, and the transmission member is connected to the hanger slider; a first end of the transmission member extends to a side surface of a vehicle wheel in the wheel pair, and the transmission member is used to drive the hanger slider to move along the lateral direction with respect to the braking hanger when the first end is subjected to a thrust applied in the lateral direction by the vehicle wheel, so that the vehicle wheel braking clamp moves to a position corresponding to the vehicle wheel.
    Type: Application
    Filed: August 20, 2018
    Publication date: August 5, 2021
    Applicant: CRRC TANGSHAN CO., LTD.
    Inventors: Lixin ZHANG, Hongjiang XU, Hongwei JING, Yunlong ZHANG, Chuan MA, Guangsheng ZHENG, Chao LI
  • Publication number: 20210220362
    Abstract: The present application relates to a compound of formula I as a toll-Like receptor 7 (TLR7) agonist or a pharmaceutically acceptable salt thereof for treating lung cancer, a pharmaceutical combination of the TLR7 agonist and a tyrosine kinase inhibitor for treating lung cancer, and the use of the compound of formula I or the pharmaceutically acceptable salt thereof and the pharmaceutical combination for treating lung cancer.
    Type: Application
    Filed: May 24, 2019
    Publication date: July 22, 2021
    Inventors: Xiquan Zhang, Ling Yang, Ying Zhang, Mincheng Zhang, Wei Song, Hongjiang Xu
  • Patent number: 11021464
    Abstract: The invention discloses a crystal of 4-(tert-butoxyamino)-6-(6-(trifluoromethyl)pyridin-2-yl)-N-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazin-2-amine compound, a mesylate salt and crystal thereof, a preparation method thereof, a composition containing thereof, and a use thereof for inhibiting activity of mutant IDH2 and treating cancer.
    Type: Grant
    Filed: January 22, 2018
    Date of Patent: June 1, 2021
    Assignees: Chia Tai Tianqing Pharmaceutical Group Co., Ltd., Lianyungang Runzhong Pharmaceutical Co., Ltd, Centaurus Biopharma Co., Ltd
    Inventors: Ticong Huang, Huifeng Xiao, Rui Zhao, Fei Liu, Wei Wei, Hongjiang Xu, Xiaojin Wang, Jingli Wu
  • Publication number: 20210017154
    Abstract: A N-heterocyclic five-membered ring-containing capsid protein assembly inhibitor, and a pharmaceutical composition and use thereof, specifically relating to a compound as represented by formula I, a stereoisomer, a tautomer, a geometrical isomer, a solvate, an active metabolite, a hydrate, a prodrug or a pharmaceutically acceptable salt thereof, a pharmaceutical composition thereof, and a medical use thereof. The medical use comprises the use in treating diseases benefiting from the capsid protein assembly inhibitor, and in particular, diseases caused by hepatitis B virus infection.
    Type: Application
    Filed: March 29, 2019
    Publication date: January 21, 2021
    Applicant: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
    Inventors: Yinsheng ZHANG, Wangwei AO, Yuan LI, Hui WANG, Hangzhou SHEN, Jie NI, Huan ZHANG, Jie WU, Li ZHANG, Kai CAO, Peng LU, Xushi LIU, Jie WANG, Tianxiao ZHAO, Xingfeng GE, Dandan LU, Shuo CHEN, Xueqin MA, Wei SHI, Xiaojin WANG, Hongjiang XU
  • Patent number: 10858340
    Abstract: Disclosed are a crystal of a maleate of a compound of formula (I), a preparation method for the crystal, a crystallization composition of same, a pharmaceutical composition of same, and uses thereof in preventing and treating a tumor.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: December 8, 2020
    Assignees: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO. LTD., LIANYUNGANG RUNZHONG PHARMACEUTICAL CO., LTD., CENTAURUS BIOPHARMA CO., LTD.
    Inventors: Song Tang, Yizhong Zhu, Fei Liu, Jie Zhou, Zhilin Chen, Hongjiang Xu, Xin Tian