Patents by Inventor Qingchao He

Qingchao He 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).

  • Cyanoquinoline derivatives
    Patent number: 10246443
    Abstract: Disclosed is a compound of formula I, a stereoisomer thereof, a cis-trans-isomer thereof, a tautomer thereof, or a mixture thereof, or a pharmaceutically acceptable salt thereof, a solvate thereof or a prodrug thereof, wherein R1, R2, R3 and R4 are each as defined in the present application.
    Type: Grant
    Filed: April 13, 2017
    Date of Patent: April 2, 2019
    Assignee: TIANJIN HEMAY ONCOLOGY PHARMACEUTICAL CO., LTD.
    Inventors: Hesheng Zhang, Yingwei Chen, Qingchao He
  • CYANOQUINOLINE DERIVATIVES
    Publication number: 20170226093
    Abstract: Disclosed is a compound of formula I, a stereoisomer thereof, a cis-trans-isomer thereof, a tautomer thereof, or a mixture thereof, or a pharmaceutically acceptable salt thereof, a solvate thereof or a prodrug thereof, wherein R1, R2, R3 and R4 are each as defined in the present application.
    Type: Application
    Filed: April 13, 2017
    Publication date: August 10, 2017
    Inventors: Hesheng Zhang, Yingwei Chen, Qingchao He
  • Cyanoquinoline derivatives
    Patent number: 9676724
    Abstract: Disclosed is a compound of formula I, a stereoisomer thereof, a cis-trans-isomer thereof, a tautomer thereof, or a mixture thereof, or a pharmaceutically acceptable salt thereof, a solvate thereof or a prodrug thereof, wherein R1, R2, R3 and R4 are each as defined in the present application.
    Type: Grant
    Filed: October 12, 2015
    Date of Patent: June 13, 2017
    Assignee: Tianjin Hemay Oncology Pharmaceutical Co., Ltd.
    Inventors: Hesheng Zhang, Yingwei Chen, Qingchao He
  • CYANOQUINOLINE DERIVATIVES
    Publication number: 20160185728
    Abstract: Disclosed is a compound of formula I, a stereoisomer thereof, a cis-trans-isomer thereof, a tautomer thereof, or a mixture thereof, or a pharmaceutically acceptable salt thereof, a solvate thereof or a prodrug thereof, wherein R1, R2, R3 and R4 are each as defined in the present application.
    Type: Application
    Filed: October 12, 2015
    Publication date: June 30, 2016
    Inventors: Hesheng Zhang, Yingwei Chen, Qingchao He
  • Cyanoquinoline derivatives
    Patent number: 9187458
    Abstract: Disclosed is a compound of formula I, a stereoisomer thereof, a cis-trans-isomer thereof, a tautomer thereof, or a mixture thereof, or a pharmaceutically acceptable salt thereof, a solvate thereof or a prodrug thereof, wherein R1, R2, R3 and R4 are each as defined in the present application.
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: November 17, 2015
    Assignee: Tianjin Hemay Bio-Tech Co., LTD.
    Inventors: Hesheng Zhang, Yingwei Chen, Qingchao He
  • CYANOQUINOLINE DERIVATIVES
    Publication number: 20130225579
    Abstract: Disclosed is a compound of formula I, a stereoisomer thereof, a cis-trans-isomer thereof, a tautomer thereof, or a mixture thereof, or a pharmaceutically acceptable salt thereof, a solvate thereof or a prodrug thereof, wherein R1, R2, R3 and R4 are each as defined in the present application.
    Type: Application
    Filed: June 8, 2011
    Publication date: August 29, 2013
    Applicant: Tianjin Hemay Bio-Tech Co., Ltd.
    Inventors: Hesheng Zhang, Yingwei Chen, Qingchao He