Patents by Inventor Dengyu Zheng

Dengyu Zheng 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).

  • NITRILE DERIVATIVE THAT ACTS AS INHIBITOR OF DIPEPTIDYL PEPTIDASE 1 AND USE THEREOF
    Publication number: 20240059681
    Abstract: Disclosed is a nitrile derivative compound represented by formula (I), a stereoisomer, a deuterated product, a co-crystal, a solvate or a pharmaceutically acceptable salt thereof, wherein each group is as defined in the description. The compound has dipeptidyl peptidase 1 inhibitory activity and can be used to prepare a drug for treating diseases including obstructive airway diseases, bronchiectasis, cystic fibrosis, asthma, emphysema, and chronic obstructive pulmonary diseases.
    Type: Application
    Filed: September 15, 2023
    Publication date: February 22, 2024
    Applicant: HAISCO PHARMACEUTICALS PTE. LTD.
    Inventors: Yao Li, Zongjun Shi, Guobiao ZHANG, Lei Chen, Wenjing Wang, Xiaobo Zhang, Dengyu Zheng, Bo Xu, Xin Liu, Yajun Wang, Fei Ye, Pingming Tang, Jia Ni, Chen Zhang, Pangke Yan
  • Nitrile derivative that acts as inhibitor of dipeptidyl peptidase 1 and use thereof
    Patent number: 11807635
    Abstract: Disclosed is a nitrile derivative compound represented by formula (I), a stereoisomer, a deuterated product, a co-crystal, a solvate or a pharmaceutically acceptable salt thereof, wherein each group is as defined in the description. The compound has dipeptidyl peptidase 1 inhibitory activity and can be used to prepare a drug for treating diseases including obstructive airway diseases, bronchiectasis, cystic fibrosis, asthma, emphysema, and chronic obstructive pulmonary diseases.
    Type: Grant
    Filed: October 28, 2022
    Date of Patent: November 7, 2023
    Assignee: Haisco Pharmaceuticals Pte. Ltd.
    Inventors: Yao Li, Zongjun Shi, Guobiao Zhang, Lei Chen, Wenjing Wang, Xiaobo Zhang, Dengyu Zheng, Bo Xu, Xin Liu, Yajun Wang, Fei Ye, Pingming Tang, Jia Ni, Chen Zhang, Pangke Yan
  • NITRILE DERIVATIVE THAT ACTS AS INHIBITOR OF DIPEPTIDYL PEPTIDASE 1 AND USE THEREOF
    Publication number: 20230121807
    Abstract: Disclosed is a nitrile derivative compound represented by formula (I), a stereoisomer, a deuterated product, a co-crystal, a solvate or a pharmaceutically acceptable salt thereof, wherein each group is as defined in the description. The compound has dipeptidyl peptidase 1 inhibitory activity and can be used to prepare a drug for treating diseases including obstructive airway diseases, bronchiectasis, cystic fibrosis, asthma, emphysema, and chronic obstructive pulmonary diseases.
    Type: Application
    Filed: October 28, 2022
    Publication date: April 20, 2023
    Applicant: HAISCO PHARMACEUTICALS PTE. LTD
    Inventors: Yao Li, Zongjun Shi, Guobiao ZHANG, Lei Chen, Wenjing Wang, Xiaobo Zhang, Dengyu Zheng, Bo Xu, Xin Liu, Yajun Wang, Fei Ye, Pingming Tang, Jia Ni, Chen Zhang, Pangke Yan
  • ANTI-INFLUENZA VIRUS COMPOUND, PREPARATION METHOD AND USE THEREOF
    Publication number: 20230079045
    Abstract: Provided are a compound of formula (I-a), an isomer thereof or a pharmaceutically acceptable salt thereof as a Hemagglutinin inhibitor, and a preparation method thereof. The compound is useful for preparing a medicament for treating a disease related to Hemagglutinin.
    Type: Application
    Filed: August 24, 2020
    Publication date: March 16, 2023
    Applicant: Sichuan Haisco Pharmaceutical Co., Ltd.
    Inventors: Yao Li, Lei Chen, Guobiao Zhang, Wenjing Wang, Zongjun Shi, Gang Hu, Haitao Huang, Haodong Wang, Bo Xu, Xiaobo Zhang, Guoliang LIU, Dengyu Zheng, Shilin Huang, Jianfei Zhao, Changwei Song, Chen Zhang, Fei Ye, Jia Ni, Pangke Yan