Patents by Inventor Meifeng Jiang

Meifeng Jiang 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: 11214561
    Abstract: The invention relates to a histone methyltransferase EZH2 inhibitor, a preparation method and pharmaceutical use thereof. In particular, the invention relates to a compound represented by the general formula (I), a preparation method thereof, a pharmaceutical composition containing the same, and a use thereof as a histone methyltransferase EZH2 inhibitor for treating diseases associated with the histone methyltransferase EZH2, especially cancer. The definition of each substituents in the general formula (I) is same as the definition in the specification.
    Type: Grant
    Filed: January 24, 2018
    Date of Patent: January 4, 2022
    Assignee: Ancureall Pharmaceutical (Shanghai) Co., Ltd.
    Inventors: Jutong Si, Guan Wang, Meifeng Jiang, Zhihe Yang, Chentao Zhou
  • Publication number: 20210101881
    Abstract: The present invention discloses a pyrimidine compound, a preparation method thereof and a medical use thereof. Specifically, the present invention discloses a pyrimidine compound represented by formula (I), pharmaceutically acceptable salts thereof, a preparation method thereof, and a use thereof as a cyclin-dependent kinase 9 (CDK9) inhibitor, particularly for the treatment of cancer. The definition of each group in formula (I) is the same as that in the specification.
    Type: Application
    Filed: January 29, 2019
    Publication date: April 8, 2021
    Inventors: Jutong Si, Meifeng Jiang, Zhihe Yang, Liyun Zhang
  • Patent number: 10800741
    Abstract: The present invention relates to a quinoline compound, as well as a preparation method and medical use therefor. Specifically, the present invention relates to a novel quinolone compound represented by the general formula (I) and a method for preparing the same, as well as a use therefor as an inhibitor for a plurality of protein kinases, and a use in the prevention and/or treatment of cancer in particular; the definition of each group in the general formula (I) is the same as the definition in the description.
    Type: Grant
    Filed: February 6, 2018
    Date of Patent: October 13, 2020
    Assignee: Ancureall Pharmaceutical (Shanghai) Co., Ltd.
    Inventors: Jutong Si, Meifeng Jiang, Jiayan Li, Han Zeng, Huabin Yang
  • Patent number: 10647680
    Abstract: Provided are a urea compound represented by general formula (I), a pharmaceutically acceptable salt thereof, a preparation method therefor, and use thereof as an FLT3 tyrosine protein kinase inhibitor, particularly in the prevention and/or treating of cancer.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: May 12, 2020
    Assignee: Ancureall Pharmaceutical (Shanghai) Co., Ltd.
    Inventors: Jutong Si, Meifeng Jiang
  • Publication number: 20190375714
    Abstract: The present invention relates to a quinoline compound, as well as a preparation method and medical use therefor. Specifically, the present invention relates to a novel quinolone compound represented by the general formula (I) and a method for preparing the same, as well as a use therefor as an inhibitor for a plurality of protein kinases, and a use in the prevention and/or treatment of cancer in particular; the definition of each group in the general formula (I) is the same as the definition in the description.
    Type: Application
    Filed: February 6, 2018
    Publication date: December 12, 2019
    Inventors: Jutong Si, Meifeng Jiang, Jiayan Li, Han Zeng, Huabin Yang
  • Publication number: 20190345139
    Abstract: The invention relates to a histone methyltransferase EZH2 inhibitor, a preparation method and pharmaceutical use thereof. In particular, the invention relates to a compound represented by the general formula (I), a preparation method thereof, a pharmaceutical composition containing the same, and a use thereof as a histone methyltransferase EZH2 inhibitor for treating diseases associated with the histone methyltransferase EZH2, especially cancer. The definition of each substituents in the general formula (I) is same as the definition in the specification.
    Type: Application
    Filed: January 24, 2018
    Publication date: November 14, 2019
    Inventors: Jutong Si, Guan Wang, Meifeng Jiang, Zhihe YANG, Chentao Zhou
  • Patent number: 10342796
    Abstract: Disclosed in the present invention are an acrylanilide compound represented by general formula (I) and a pharmaceutically acceptable salt thereof. The acrylanilide compound and the pharmaceutically acceptable salt thereof are used for treating clinical diseases by mainly acting on EGFR family casein kinases.
    Type: Grant
    Filed: December 30, 2016
    Date of Patent: July 9, 2019
    Assignee: Ancureall Pharmaceutical (Shanghai) Co., Ltd.
    Inventors: Jutong Si, Guan Wang, Zhihe Yang, Meifeng Jiang, Benpo Xu, Chentao Zhou
  • Publication number: 20190047964
    Abstract: Provided are a urea compound represented by general formula (I), a pharmaceutically acceptable salt thereof, a preparation method therefor, and use thereof as an FLT3 tyrosine protein kinase inhibitor, particularly in the prevention and/or treating of cancer.
    Type: Application
    Filed: March 10, 2017
    Publication date: February 14, 2019
    Applicant: Ancureall Pharmaceutical (Shanghai) Co., Ltd.
    Inventors: Jutong SI, Meifeng JIANG
  • Publication number: 20190015413
    Abstract: Disclosed in the present invention are an acrylanilide compound represented by general formula (I) and a pharmaceutically acceptable salt thereof. The acrylanilide compound and the pharmaceutically acceptable salt thereof are used for treating clinical diseases by mainly acting on EGFR family casein kinases.
    Type: Application
    Filed: December 30, 2016
    Publication date: January 17, 2019
    Inventors: Jutong Si, Guan Wang, Zhihe Yang, Meifeng Jiang, Benpo Xu, Chentao Zhou
  • Patent number: D1005367
    Type: Grant
    Filed: August 11, 2023
    Date of Patent: November 21, 2023
    Inventor: Meifeng Jiang
  • Patent number: D1006090
    Type: Grant
    Filed: August 13, 2023
    Date of Patent: November 28, 2023
    Inventor: Meifeng Jiang
  • Patent number: D1006091
    Type: Grant
    Filed: August 13, 2023
    Date of Patent: November 28, 2023
    Inventor: Meifeng Jiang