Patents by Inventor Tieshan CHEN

Tieshan CHEN 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).

  • New-type oxazolidinone compounds and preparation method therefor
    Patent number: 12173020
    Abstract: Oxazolidinones having structures represented by structural formula I, preparation methods therefor, and pharmaceutical uses thereof, in particular an application of said compounds and salts or compositions thereof in the treatment of a bacterial infection. In the formula: R1 is a methyl group, an ethyl group, a propyl group, a cyclopropyl group, or a vinyl group; R2 is F; and R3 is F, CH3, C2H5, CF3, CHF2, CH2F, or a cyclopropyl group.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: December 24, 2024
    Assignee: HC SYNTHETIC PHARMACEUTICAL CO., LTD.
    Inventors: Cheng Yang, Dongxing Li, Sumin Qi, Qiyuan Zhang, Tieshan Chen, Xiaodan Zhao
  • Expectorant compound, preparation method thereof and use thereof
    Patent number: 11993561
    Abstract: The present disclosure discloses an expectorant compound, and specifically discloses compounds represented by formula I and formula II, pharmaceutically acceptable salts or tautomers thereof.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: May 28, 2024
    Assignee: HC SYNTHETIC PHARMACEUTICAL CO., LTD.
    Inventors: Cheng Yang, Sumin Qi, Qiyuan Zhang, Dongxing Li, Tieshan Chen, Xiaodan Zhao
  • NEW-TYPE OXAZOLIDINONE COMPOUNDS AND PREPARATION METHOD THEREFOR
    Publication number: 20230046407
    Abstract: Oxazolidinones having structures represented by structural formula I, preparation methods therefor, and pharmaceutical uses thereof, in particular an application of said compounds and salts or compositions thereof in the treatment of a bacterial infection. In the formula: R1 is a methyl group, an ethyl group, a propyl group, a cyclopropyl group, or a vinyl group; R2 is F; and R3 is F, CH3, C2H5, CF3, CHF2, CH2F, or a cyclopropyl group.
    Type: Application
    Filed: July 1, 2020
    Publication date: February 16, 2023
    Applicant: HC SYNTHETIC PHARMACEUTICAL CO., LTD.
    Inventors: CHENG YANG, DONGXING LI, SUMIN QI, QIYUAN ZHANG, TIESHAN CHEN, XIAODAN ZHAO
  • EXPECTORANT COMPOUND, PREPARATION METHOD THEREOF AND USE THEREOF
    Publication number: 20220388952
    Abstract: The present disclosure discloses an expectorant compound, and specifically discloses compounds represented by formula I and formula II, pharmaceutically acceptable salts or tautomers thereof.
    Type: Application
    Filed: July 1, 2020
    Publication date: December 8, 2022
    Applicant: HC SYNTHETIC PHARMACEUTICAL CO., LTD.
    Inventors: CHENG YANG, SUMIN QI, QIYUAN ZHANG, DONGXING LI, TIESHAN CHEN, XIAODAN ZHAO
  • Display apparatus, panel switching method and electronic device
    Patent number: 11139349
    Abstract: The present disclosure discloses a display apparatus, a panel switching method and an electronic device. The display apparatus includes an organic light-emitting display panel and a liquid crystal display panel disposed on a light-emitting side of the organic light-emitting display panel. The liquid crystal display panel is attached to a metal layer in the organic light-emitting display panel so as to use the metal layer as a backlight source of the liquid crystal display panel.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: October 5, 2021
    Inventors: Shihai Zhang, Yu Zhou, Tieshan Chen, Xiaoli Shi
  • Display apparatus, panel switching method and electronic device
    Patent number: 11131887
    Abstract: The present disclosure provides a display apparatus. The display apparatus includes: an organic light-emitting display panel and a liquid crystal display panel disposed on a light-emitting side of the organic light-emitting display panel. The liquid crystal display panel includes: a wave plate, a linear polarizer, a bottom substrate, a liquid crystal layer and an upper substrate which are stacked successively. The bottom substrate is a transparent substrate. The organic light-emitting display panel includes a metal layer; and the metal layer serves as a backlight source of the liquid crystal display panel.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: September 28, 2021
    Inventors: Shihai Zhang, Yu Zhou, Xiaoli Shi, Tieshan Chen
  • DISPLAY APPARATUS, PANEL SWITCHING METHOD AND ELECTRONIC DEVICE
    Publication number: 20210202618
    Abstract: The present disclosure discloses a display apparatus, a panel switching method and an electronic device. The display apparatus includes an organic light-emitting display panel and a liquid crystal display panel disposed on a light-emitting side of the organic light-emitting display panel. The liquid crystal display panel is attached to a metal layer in the organic light-emitting display panel so as to use the metal layer as a backlight source of the liquid crystal display panel.
    Type: Application
    Filed: February 13, 2018
    Publication date: July 1, 2021
    Inventors: Shihai ZHANG, Yu ZHOU, Tieshan CHEN, Xiaoli SHI
  • DISPLAY APPARATUS, PANEL SWITCHING METHOD AND ELECTRONIC DEVICE
    Publication number: 20210165285
    Abstract: The present disclosure provides a display apparatus. The display apparatus includes: an organic light-emitting display panel and a liquid crystal display panel disposed on a light-emitting side of the organic light-emitting display panel. The liquid crystal display panel includes: a wave plate, a linear polarizer, a bottom substrate, a liquid crystal layer and an upper substrate which are stacked successively. The bottom substrate is a transparent substrate. The organic light-emitting display panel includes a metal layer; and the metal layer serves as a backlight source of the liquid crystal display panel.
    Type: Application
    Filed: February 13, 2018
    Publication date: June 3, 2021
    Inventors: Shihai ZHANG, Yu ZHOU, Xiaoli SHI, Tieshan CHEN