Patents by Inventor Chengzhi GAO

Chengzhi GAO 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).

  • Polyethylene glycol conjugate drug, and preparation method therefor and use thereof
    Patent number: 11813334
    Abstract: The present invention relates to the technical field of medicines, and relates to a polyethylene glycol conjugated drug, a preparation method therefor and the use thereof. In particular, the present invention relates to a polyethylene glycol conjugated drug as shown in formula I or a pharmaceutically acceptable salt thereof. The present invention also relates to a method for preparing the polyethylene glycol conjugated drug or the pharmaceutically acceptable salt thereof, a pharmaceutical composition comprising the polyethylene glycol conjugated drug or the pharmaceutically acceptable salt thereof, and the use thereof in the preparation of a drug.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: November 14, 2023
    Assignee: CHONGQING UPGRA BIOTECHNOLOGY CO., LTD.
    Inventors: Gaoquan Li, Dajun Li, Qian Zhang, Diedie Li, Chengzhi Gao, Yue Liu, Xiaoling Ding, Yusong Wei, Xiangwei Yang, Yongchen Peng, Jia Gao, Qiang Luo, Yanxia Heng, Mei Liu, Yuyang Yi, Xiafan Zeng, Tao Tu, Xiao Tang, Xi Liu, Jianhuan Li, Zhaojie Wang, Bin Wang, Jinping Wan, Mingyang Hou, Jiao Liu, Huiyu Chen, Jie Lou, Yue Yang, Yuanqiang Wang
  • Polyethylene glycol conjugate medicament, preparation method therefor and use thereof
    Patent number: 11793881
    Abstract: The present invention relates to a polyethylene glycol conjugate medicament, a preparation method therefor and use thereof, and in particular relates to a polyethylene glycol conjugate medicament represented by formula (I) or a pharmaceutically acceptable salt thereof. The present invention also relates to a method for preparing the polyethylene glycol conjugate medicament or a pharmaceutically acceptable salt thereof, and an intermediate of the same, a pharmaceutical composition comprising the polyethylene glycol conjugate medicament or a pharmaceutically acceptable salt thereof, and use thereof in preparing a medicament.
    Type: Grant
    Filed: November 18, 2020
    Date of Patent: October 24, 2023
    Assignee: CHONGQING UPGRA BIOTECHNOLOGY CO., LTD.
    Inventors: Gaoquan Li, Dajun Li, Qian Zhang, Yusong Wei, Yongchen Peng, Xiangwei Yang, Xiafan Zeng, Gang Mei, Diedie Li, Chengzhi Gao, Xiaoling Ding, Yue Liu, Jia Gao, Yuyang Yi, Yanxia Heng, Xi Liu, Tao Tu, Kai Wang, Liwei Liu, Mei Liu, Qiang Luo, Xiao Tang, Jie Lou, Huiyu Chen, Yue Yang, Yuanqiang Wang
  • POLYETHYLENE GLYCOL CONJUGATE DRUG, AND PREPARATION METHOD THEREFOR AND USE THEREOF
    Publication number: 20230101564
    Abstract: The present invention relates to the technical field of medicines, and relates to a polyethylene glycol conjugated drug, a preparation method therefor and the use thereof. In particular, the present invention relates to a polyethylene glycol conjugated drug as shown in formula I or a pharmaceutically acceptable salt thereof. The present invention also relates to a method for preparing the polyethylene glycol conjugated drug or the pharmaceutically acceptable salt thereof, a pharmaceutical composition comprising the polyethylene glycol conjugated drug or the pharmaceutically acceptable salt thereof, and the use thereof in the preparation of a drug.
    Type: Application
    Filed: March 11, 2020
    Publication date: March 30, 2023
    Inventors: Gaoquan LI, Dajun LI, Qian ZHANG, Diedie LI, Chengzhi GAO, Yue LIU, Xiaoling DING, Yusong WEI, Xiangwei YANG, Yongchen PENG, Jia GAO, Qiang LUO, Yanxia HENG, Mei LIU, Yuyang YI, Xiafan ZENG, Tao TU, Xiao TANG, Xi LIU, Jianhuan LI, Zhaojie WANG, Bin WANG, Jinping WAN, Mingyang HOU, Jiao LIU, Huiyu CHEN, Jie LOU, Yue YANG, Yuanqiang WANG
  • POLYETHYLENE GLYCOL CONJUGATE MEDICAMENT, PREPARATION METHOD THEREFOR AND USE THEREOF
    Publication number: 20230088403
    Abstract: The present invention relates to a polyethylene glycol conjugate medicament, a preparation method therefor and use thereof, and in particular relates to a polyethylene glycol conjugate medicament represented by formula (I) or a pharmaceutically acceptable salt thereof. The present invention also relates to a method for preparing the polyethylene glycol conjugate medicament or a pharmaceutically acceptable salt thereof, and an intermediate of the same, a pharmaceutical composition comprising the polyethylene glycol conjugate medicament or a pharmaceutically acceptable salt thereof, and use thereof in preparing a medicament.
    Type: Application
    Filed: November 18, 2020
    Publication date: March 23, 2023
    Inventors: Gaoquan LI, Dajun LI, Qian ZHANG, Yusong WEI, Yongchen PENG, Xiangwei YANG, Xiafan ZENG, Gang MEI, Diedie LI, Chengzhi GAO, Xiaoling DING, Yue LIU, Jia GAO, Yuyang Yi, Yanxia HENG, Xi LIU, Tao TU, Kai WANG, Liwei LIU, Mei LIU, Qiang LUO, Xiao TANG, Jie LOU, Huiyu CHEN, Yue YANG, Yuanqiang WANG
  • POLYETHYLENE GLYCOL CONJUGATE DRUG, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF
    Publication number: 20230073036
    Abstract: The disclosure relates to the technical field of medicine, specifically to a polyethylene glycol conjugated drug, a preparation method therefor and use thereof, and relates in particular to a polyethylene glycol conjugated drug represented by formula (I) or a pharmaceutically acceptable salt thereof. The disclosure further relates to a method for preparation of the polyethylene glycol conjugated drug or a pharmaceutically acceptable salt thereof, a pharmaceutical composition comprising the polyethylene glycol conjugated drug or a pharmaceutically acceptable salt thereof, and use of the polyethylene glycol conjugated drug or a pharmaceutically acceptable salt thereof in preparation of a medicament.
    Type: Application
    Filed: March 11, 2020
    Publication date: March 9, 2023
    Inventors: Gaoquan LI, Qian ZHANG, Dajun LI, Diedie LI, Chengzhi GAO, Xiaoling DING, Yue LIU, Yusong WEI, Xiangwei YANG, Yongchen PENG, Jia GAO, Qiang LUO, Yanxia HENG, Mei LIU, Yuyang YI, Xiafan ZENG, Tao TU, Xiao TANG, Xi LIU, Jianhuan LI, Zhaojie WANG, Jinping WAN, Mingyang HOU, Jie LOU, Huiyu CHEN, Yue YANG, Yuanqiang WANG