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).

  • Publication number: 20200377517
    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: Application
    Filed: November 16, 2018
    Publication date: December 3, 2020
    Inventors: Lifang WU, Fei SUN, Jinhua DU, Charles Z. DING, Shuhui CHEN, Xiquan ZHANG, Hongjiang XU, Ling YANG
  • Publication number: 20200368158
    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: Application
    Filed: August 7, 2020
    Publication date: November 26, 2020
    Inventors: Hongmei GU, Shanchun WANG, Xiquan ZHANG, Lei HUANG, Hongjiang XU, Wei SONG, Ping DONG, Zhongying SUN, Ying ZHANG, Deyang CHEN
  • Patent number: 10829492
    Abstract: Provided is an amino pyrazolopyrimidine compound as represented by the following structural formula used as a neurotrophic factor tyrosine kinase receptor inhibitor. The compound can inhibit the activity of Trk kinase and can treat diseases mediated by a Trk tyrosine kinase receptor in mammals.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: November 10, 2020
    Assignees: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD., CENTAURUS BIOPHARMA CO., LTD., LIANYUNGANG RUNZHONG PHARMACEUTICAL CO., LTD.
    Inventors: Li Zhu, Yuandong Hu, Wei Wu, Liguang Dai, Xiaowei Duan, Yanqing Yang, Yinghui Sun, Yongxin Han, Yong Peng, Fansheng Kong, Hong Luo, Ling Yang, Hongjiang Xu, Meng Guo, Zhaobai Zhong, Shanchun Wang
  • Patent number: 10766912
    Abstract: The present invention provides a silicon-containing compound for resistance to hepatitis c virus infection, and in particular provides a compound represented by formula I, or a pharmaceutically acceptable salt, or a tautomer, or a stereoisomer, or a deuterated compound thereof and mixture among them, a preparation process therefor, and a pharmaceutical composition comprising the same. The present application also provides a use of the compound, or a pharmaceutically acceptable salt, or a tautomer, or a stereoisomer, or a deuterated compound thereof and mixture among them, and a pharmaceutical composition comprising the same in treatment of hepatitis c virus infection.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: September 8, 2020
    Assignee: Chia Tai Tianqing Pharmaceutical Group Co., Ltd.
    Inventors: Yinsheng Zhang, Baomin Liu, Yu Huang, Zhengbang Chen, Kuo Gai, Xushi Liu, Xiaojin Wang, Hongjiang Xu
  • Patent number: 10745383
    Abstract: Disclosed are compounds having formulae I and II or pharmaceutically acceptable salts or hydrates thereof, a preparation method thereof and pharmaceutical compositions thereof. The compounds having formulae I and II possesses an isocitrate dehydrogenase 2 (IDH2) inhibitory activity and are capable of treating IDH2 mutation-induced cancers.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: August 18, 2020
    Assignees: Chia Tai Tianqing Pharmaceutical Group Co., Ltd., Lianyungang Runzhong Pharmaceutical Co., Ltd., Centaurus Biopharma Co., Ltd.
    Inventors: Na Zhao, Shulong Wang, Xijie Liu, Yuandong Hu, Hui Zhang, Hong Luo, Yong Peng, Yongxin Han, Xiquan Zhang, Hongjiang Xu
  • Publication number: 20200239454
    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: Application
    Filed: September 30, 2018
    Publication date: July 30, 2020
    Applicants: 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: 20200231597
    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: Application
    Filed: July 27, 2018
    Publication date: July 23, 2020
    Applicants: 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
  • Patent number: 10654826
    Abstract: Disclosed are compounds having formulae I and II or pharmaceutically acceptable salts or hydrates thereof, a preparation method thereof and pharmaceutical compositions thereof. The compounds having formulae I and II possesses an isocitrate dehydrogenase 2 (IDH2) inhibitory activity and are capable of treating IDH2 mutation-induced cancers.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: May 19, 2020
    Assignees: Chia Tai Tianqing Pharmaceutical Group Co., Ltd., Lianyungang Runzhong Pharmaceutical Co., Ltd., Centaurus Biopharma Co., Ltd.
    Inventors: Na Zhao, Shulong Wang, Xijie Liu, Yuandong Hu, Hui Zhang, Hong Luo, Yong Peng, Yongxin Han, Xiquan Zhang, Hongjiang Xu
  • Patent number: 10570141
    Abstract: The present invention belongs to the field of pharmaceutical chemistry, and relates to a substituted pyrrolopyrimidine CDK inhibitor, in particular to a compound as shown in formula I or a pharmaceutically acceptable salt or solvate thereof, as well as a preparation method thereof and a pharmaceutical composition thereof. The present invention also relates to the use of the compound and the pharmaceutical composition thereof in the preparation of a drug for treating diseases associated with CDK inhibition. The compound according to the present invention has a marked inhibitory effect on CDK, excellent drug absorption and significantly superior oral absorption effect.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: February 25, 2020
    Assignees: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD., CENTAURUS BIOPHARMA CO., LTD., LIANYUNGANG RUNZHONG PHARMACEUTICAL CO., LTD.
    Inventors: Shulong Wang, Kuncheng Chen, Xijie Liu, Yuandong Hu, Bo Liu, Yong Peng, Hong Luo, Yongxin Han, Shanchun Wang, Mei Liu, Hongjiang Xu
  • Publication number: 20200017532
    Abstract: The present invention provides a silicon-containing compound for resistance to hepatitis c virus infection, and in particular provides a compound represented by formula I, or a pharmaceutically acceptable salt, or a tautomer, or a stereoisomer, or a deuterated compound thereof and mixture among them, a preparation process therefor, and a pharmaceutical composition comprising the same. The present application also provides a use of the compound, or a pharmaceutically acceptable salt, or a tautomer, or a stereoisomer, or a deuterated compound thereof and mixture among them, and a pharmaceutical composition comprising the same in treatment of hepatitis c virus infection.
    Type: Application
    Filed: March 22, 2018
    Publication date: January 16, 2020
    Inventors: Yinsheng ZHANG, Baomin LIU, Yu HUANG, Zhengbang CHEN, Kuo GAI, Xushi LIU, Xiaojin WANG, Hongjiang XU
  • Publication number: 20190352281
    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: January 22, 2018
    Publication date: November 21, 2019
    Inventors: Ticong Huang, Huifeng Xiao, Rui Zhao, Fei Liu, Wei Wei, Hongjiang Xu, Xiaojin Wang, Jingli Wu
  • Publication number: 20190352306
    Abstract: Provided is an amino pyrazolopyrimidine compound as represented by the following structural formula used as a neurotrophic factor tyrosine kinase receptor inhibitor. The compound can inhibit the activity of Trk kinase and can treat diseases mediated by a Trk tyrosine kinase receptor in mammals.
    Type: Application
    Filed: October 27, 2017
    Publication date: November 21, 2019
    Inventors: Li ZHU, Yuandong HU, Wei WU, Liguang DAI, Xiaowei DUAN, Yanqing YANG, Yinghui SUN, Yongxin HAN, Yong PENG, Fansheng KONG, Hong LUO, Ling YANG, Hongjiang XU, Meng GUO, Zhaobai ZHONG, Shanchun WANG
  • Publication number: 20190300533
    Abstract: The present invention belongs to the field of pharmaceutical chemistry, and relates to a substituted pyrrolopyrimidine CDK inhibitor, in particular to a compound as shown in formula I or a pharmaceutically acceptable salt or solvate thereof, as well as a preparation method thereof and a pharmaceutical composition thereof. The present invention also relates to the use of the compound and the pharmaceutical composition thereof in the preparation of a drug for treating diseases associated with CDK inhibition. The compound according to the present invention has a marked inhibitory effect on CDK, excellent drug absorption and significantly superior oral absorption effect.
    Type: Application
    Filed: March 27, 2017
    Publication date: October 3, 2019
    Inventors: Shulong Wang, Kuncheng Chen, Xijie Liu, Yuandong Hu, Bo Liu, Yong Peng, Hong Luo, Yongxin Han, Shanchun Wang, Mei Liu, Hongjiang Xu
  • Publication number: 20190269671
    Abstract: The present invention provides 1-[[[4-(4-fluoro-2-methyl-1H-indol-5-yl)oxy-6-methoxyquinolin-7-yl]oxy]methyl]cyclopro-pylamine used for combating a tumor. Specially, the present invention refers to method for treating tumor, pharmaceutical composition and medicinal kit related to the described compound. Administrating the compound with a suitable dosage regimen can not only make the patient's plasma concentration maintain the level of 100 ng/ml or lower, but also achieve effects of treatments and obtain benefits for various tumours.
    Type: Application
    Filed: March 8, 2019
    Publication date: September 5, 2019
    Inventors: Shanchun Wang, Xunqiang Wang, Hongmei Gu, Ping Dong, Hongjiang Xu
  • Patent number: 10329277
    Abstract: The present disclosure relates to aniline pyrimidine derivatives or pharmaceutically acceptable salts thereof as EGFR inhibitors, specifically relates to compounds represented by formula (I) or pharmaceutically acceptable salts, pharmaceutical compositions, the method and uses thereof for treating EGFR mediated diseases.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: June 25, 2019
    Assignees: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD., LIANYUNGANG RUNZHONG PHARMACEUTICAL CO., LTD., CENTAURUS BIOPHARMA CO., LTD.
    Inventors: Yan Zhu, Na Zhao, Xianxing Shang, Yuandong Hu, Yong Peng, Hui Zhang, Bo Liu, Hong Luo, Yongxin Han, Ling Yang, Hongjiang Xu
  • Publication number: 20190185453
    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: Application
    Filed: August 24, 2017
    Publication date: June 20, 2019
    Inventors: Song TANG, Yizhong ZHU, Fei LIU, Jie ZHOU, Zhilin CHEN, Hongjiang XU, Xin TIAN
  • Publication number: 20190117568
    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: Application
    Filed: April 14, 2017
    Publication date: April 25, 2019
    Applicant: 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: 10251876
    Abstract: The present invention provides 1-[[[4-(4-fluoro-2-methyl-1H-indol-5-yl)oxy-6-methoxyquinolin-7-yl]oxy]methyl]cyclopro-pylamine used for combating a tumor. Specially, the present invention refers to method for treating tumor, pharmaceutical composition and medicinal kit related to the described compound. Administrating the compound with a suitable dosage regimen can not only make the patient's plasma concentration maintain the level of 100 ng/ml or lower, but also achieve effects of treatments and obtain benefits for various tumours.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: April 9, 2019
    Inventors: Shanchun Wang, Xunqiang Wang, Hongmei Gu, Ping Dong, Hongjiang Xu
  • Patent number: 10231973
    Abstract: The present application relates to maleates of a compound of Formula I, methods for preparing the same, pharmaceutical compositions thereof and uses thereof in the treatment of tumors, such as non-small cell lung cancer, breast cancer, and other malignant tumors.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: March 19, 2019
    Assignees: Chai Tai Tianqing Pharmaceutical Group Co., Ltd., CENTAURUS BIOPHARMA CO., LTD., LIANYUNGANG RUNZHONG PHARMACEUTICAL CO., LTD.
    Inventors: Xiquan Zhang, Song Tang, Weiwei Feng, Xin Tian, Zhilin Chen, Hongmei Gu, Hongjiang Xu, Fei Liu
  • Publication number: 20190062308
    Abstract: Disclosed are compounds having formulae I and II or pharmaceutically acceptable salts or hydrates thereof, a preparation method thereof and pharmaceutical compositions thereof. The compounds having formulae I and II possesses an isocitrate dehydrogenase 2 (IDH2) inhibitory activity and are capable of treating IDH2 mutation-induced cancers.
    Type: Application
    Filed: July 29, 2016
    Publication date: February 28, 2019
    Inventors: Na ZHAO, Shulong WANG, Xijie LIU, Yuandong HU, Hui ZANG, Hong LUO, Yong PENG, Yongxin HAN, Xiquan ZHANG, Hongjiang XU