Patents Assigned to Chia Tai Tianqing Pharmaceutical Group Co., Ltd.
  • Publication number: 20240101551
    Abstract: A crystal form and salt form of a bromine domain protein inhibitor represented by formula (I), a preparation method therefor, and a use of the crystal form and salt form in the preparation of a drug for treating diseases mediated by BET protein.
    Type: Application
    Filed: January 19, 2021
    Publication date: March 28, 2024
    Applicants: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD., SHOUYAO HOLDINGS (BEIJING) CO., LTD.
    Inventors: Wenwei XU, Zhenliang SHAN, Yingya ZHANG, Guoliang ZHANG, Yun GE, Aiming ZHANG, Xiquan ZHANG
  • Patent number: 11931506
    Abstract: A novel dry powder inhaler. By providing a plurality of capsule chambers (1a, 1b, 1c, 1d) arranged in parallel in a capsule dry powder inhalation device, a medicine dispenser containing active components of a composite product or their mixture separately is provided. The dry powder inhaler has a simple structure and is convenient to operate. In addition, the parameters of air inlet channels and an air outlet channel can be adjusted by means of each capsule chamber (1a, 1b, 1c, 1d) according to the properties of powder of a medicine or a combination, so as to provide an appropriate particle distribution for each active component.
    Type: Grant
    Filed: November 22, 2018
    Date of Patent: March 19, 2024
    Assignee: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
    Inventors: Changhui Li, Ping Dong, Xuebing Zhu
  • Publication number: 20240043401
    Abstract: A salt form of a tetra-substituted olefin compound, a crystal of the compound and the salt, and a preparation method relating to a crystal of a compound represented by formula (I), a salt thereof, a crystal of the salt thereof, and a preparation method therefor.
    Type: Application
    Filed: December 30, 2021
    Publication date: February 8, 2024
    Applicant: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
    Inventors: Shuwen DUAN, Jianyu LU, Ting YAO, Lihong HU, Charles Z. DING, Jian LI, Shuhui CHEN, Xiquan ZHANG
  • Patent number: 11891398
    Abstract: The present application relates to a 2,3-dihydro-1H-pyrrolizine-7-formamide derivative as a nucleoprotein inhibitor and a use in preparation of a drug for treating HBV related diseases. The present application specifically relates to a compound represented by formula (II), and isomers or pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: February 6, 2024
    Assignee: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
    Inventors: Haiying He, Jianhua Xia, Zhen Gong, Jian Li, Shuhui Chen
  • Patent number: 11891405
    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: Grant
    Filed: September 12, 2019
    Date of Patent: February 6, 2024
    Assignee: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
    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
  • Patent number: 11866433
    Abstract: The present application belongs to the field of medicine. In particular, the present application relates to a diarylthiohydantoin compound as an androgen receptor antagonist or a pharmaceutically acceptable salt thereof, a preparation method of the same, a pharmaceutical composition comprising the compound, and a use thereof in treating a cell proliferative disease mediated by androgen. The compound of the present application has good antagonistic effect on androgen receptor and exhibits excellent antitumor effect.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: January 9, 2024
    Assignee: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
    Inventors: Chunli Shen, Chengde Wu, Shenglin Chen, Shuhui Chen, Xiquan Zhang, Xin Tian
  • Publication number: 20230404976
    Abstract: A pharmaceutical combination containing a capsid protein inhibitor and a nucleoside analog, selected from entecavir or a pharmaceutically acceptable salt thereof or a solvate thereof, or tenofovir or a pharmaceutically acceptable salt or pharmaceutically acceptable prodrug thereof, as well as a use of said pharmaceutical combination in treating a hepatitis B virus infection. The pharmaceutical combination has a good hepatitis B virus infection-fighting effect.
    Type: Application
    Filed: November 5, 2021
    Publication date: December 21, 2023
    Applicant: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
    Inventors: Zhongnan XU, Dandan HUO, Hong ZHANG, Yanan YU, Jianhua XIA, Haiying HE
  • Patent number: 11834503
    Abstract: This invention relates to anti-LAG-3 antibodies and methods of using them in treating diseases and conditions that benefit from modulating LAG-3 activity, e.g., cancer.
    Type: Grant
    Filed: June 7, 2022
    Date of Patent: December 5, 2023
    Assignee: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
    Inventors: Michael Monrad Grandal, Vikram Kjøller Bhatia, Torben Gjetting, Camilla Fröhlich, Gunther Roland Galler, Michael Kragh, Ivan David Horak, Thomas Bouquin, Mikkel Wandahl Pedersen
  • Publication number: 20230331699
    Abstract: A preparation method for a CDK4/6 inhibitor for a compound of formula (I): 5-fluoro-4-(3-isopropyl-2-methyl-2H-indazol-5-yl)-N-(5-(piperazin-1-yl)pyrazol-2-yl)pyrimidine-2-amine. The preparation method has cheap and readily available starting materials and reagents, greatly simplified total reaction steps, shortened reaction time, improved total yield and a high purity of the key intermediate and final product, being suitable for industrial production.
    Type: Application
    Filed: June 21, 2021
    Publication date: October 19, 2023
    Applicant: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
    Inventors: Guofeng LIU, Yong WANG, Meng GUO, Xiquan ZHANG, Kaizhen SONG, Jinhu LIU, Junshan LUO
  • Patent number: 11773079
    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: April 27, 2021
    Date of Patent: October 3, 2023
    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: 20230265181
    Abstract: An immunoglobulin single variable domain and antigen binding molecule binding BCMA, specifically comprising an immunoglobulin single variable domain and antigen binding molecule, a nucleic acid for encoding the binding molecule, a vector containing the nucleic acid, a cell containing the vector, and a pharmaceutical composition containing the above.
    Type: Application
    Filed: August 16, 2021
    Publication date: August 24, 2023
    Applicant: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
    Inventors: Zipeng ZHEN, Meijuan XIE, Xiuzhen DU, Yimin MA, Bing ZHANG, Tongjie XU, Xiquan ZHANG
  • Patent number: 11731955
    Abstract: The present application relates to the field of pharmaceutical technology, specifically to the crystal habit and crystalline powder preparation of quinoline derivatives, and more specifically, to the crystal habit and crystalline powder preparation of anlotinib dihydrochloride. The compound of formula II disclosed herein is a crystalline powder with a flaky crystal habit having a specific surface area ?10 m2/g and a particle-size distribution of X50?50 ?m and/or X90?500 ?m, such that a large specific surface area is provided without reducing the particle size of the drug by a physical method under the condition of a broad particle-size distribution, and the drug can rapidly dissolving. In addition to excellent dissolution property, the crystalline powder is also beneficial to industrial manufacturing, featuring simplified process and cost-efficiency.
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: August 22, 2023
    Assignee: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
    Inventors: Ping Dong, Xiongxiong He, Lei Liu, Rui Zhao
  • Publication number: 20230235057
    Abstract: Provided in the present disclosure are a bifunctional protein which can bind to PD-1 (programmed death receptor-1) and TGF-? (transforming growth factor-?), the medical use of the bifunctional protein, and a preparation method therefor.
    Type: Application
    Filed: April 26, 2021
    Publication date: July 27, 2023
    Applicant: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
    Inventors: WEI ZHAO, YINGCHUN Ll, HAILI LV, LIANXIANG XIE, ZHEWEN ZHANG, YU QIN, XIQUAN ZHANG, YANJU CHENG, PENG LV, TIANTIAN LI
  • Patent number: 11702439
    Abstract: The present application relates to a method for preparing trifluridine, comprising reacting a compound of formula III with a compound of formula IV in a first solvent in the presence of an acid to obtain a compound of formula II, and performing further reaction to obtain trifluridine.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: July 18, 2023
    Assignee: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
    Inventors: Lin Liu, Rui Zhao, Guangming Sang, Xingjian Zhou, Xiaopeng Guo, Aiming Zhang, Gang Wu, Chunguang Xia, Xiquan Zhang
  • Publication number: 20230212117
    Abstract: Disclosed by the present application is a crystalline form of a capsid protein assembly inhibitor containing an N hetero five-membered ring; specifically disclosed is the crystalline form of the compound of formula I; also comprised is an the application of said crystalline form in the preparation of a drug for preventing or treating diseases benefiting from the inhibition of capsid protein assembly.
    Type: Application
    Filed: September 28, 2020
    Publication date: July 6, 2023
    Applicant: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
    Inventors: Yin LU, Meng GUO, Mingtong HU, Yuan LI, Wangwei AO, Yinsheng ZHANG
  • Publication number: 20230193292
    Abstract: A BCMA-binding immunoglobulin single variable structural domain and an antigen-binding molecule including an immunoglobulin single variable structural domain and an antigen-binding molecule, a nucleic acid encoding the above, a vector containing the nucleic acid, a cell containing the vector, and a pharmaceutical composition containing the above, as well as a therapeutic use thereof.
    Type: Application
    Filed: August 16, 2021
    Publication date: June 22, 2023
    Applicant: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
    Inventors: Zipeng ZHEN, Meijuan XIE, Xiuzhen DU, Yimin MA, Bing ZHANG, Tongjie XU, Xiquan ZHANG
  • Publication number: 20230183208
    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: February 6, 2023
    Publication date: June 15, 2023
    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
  • Publication number: 20230174528
    Abstract: A crystal of a trifluoromethyl/chloro disubstituted sulfonamide selective BCL-2 inhibitor, specifically related to a crystal of a compound of formula I, a preparation method therefor, and use thereof in preventing and treating diseases related to anti-apoptotic protein BCL-2, such as cancers.
    Type: Application
    Filed: April 29, 2021
    Publication date: June 8, 2023
    Applicant: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
    Inventors: Weiwei FENG, Yanlong LIU, Huihui ZHANG, Fei LIU, Bin WANG, Yiyan YAO, Zhilin CHEN, Jinlei ZHU, Chenghui LU
  • Patent number: 11667667
    Abstract: The present invention relates to a compound represented by formula (I), a tautomer thereof or a pharmaceutically acceptable salt thereof, and relates to applications thereof in the preparation of drugs for treating FXR related diseases.
    Type: Grant
    Filed: October 13, 2020
    Date of Patent: June 6, 2023
    Assignee: Chia Tai Tianqing Pharmaceutical Group Co., Ltd.
    Inventors: Haiying He, Hualing Xiao, Peng Li, Chunyan Du, Zhi Luo, Shuhui Chen
  • Publication number: 20230123104
    Abstract: Disclosed are a crystal of a tricyclic compound acting on CRBN protein and a preparation method therefor, specifically relating to a crystal of a compound of formula (I) and a preparation method therefor. An application of the crystal in the preparation of drugs for treating CRBN protein-related diseases is further comprised.
    Type: Application
    Filed: March 5, 2021
    Publication date: April 20, 2023
    Applicant: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
    Inventors: Maoyi LEI, Yu XU, Yunfu LUO, Zhenliang SHAN