Patents by Inventor Yichao ZHUANG

Yichao ZHUANG 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).

  • Crystalline form and B crystalline form of pyrazine-2(1H)-ketone compound and preparation method thereof
    Patent number: 11603366
    Abstract: Provided are crystalline forms of pyrazine-2(1H)-ketone compound and a preparation method thereof; specifically disclosed are a method for preparing the compound of formula (II) and crystalline forms thereof.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: March 14, 2023
    Assignee: ZHANGZHOU PIEN TZE HUANG PHARMACEUTICAL CO., LTD.
    Inventors: Juan Yu, Fei Hong, Tingting Yin, Zhiliang Chen, Yichao Zhuang, Zhifei Fu, Miaorong Luo, Yang Zhang, Jian Li, Shuhui Chen
  • Crystal form D of pyrazine-2(1H)-ketone compound and preparation method therefor
    Patent number: 11597722
    Abstract: The present invention disclosed a crystal form of pyrazine-2(1H)-ketone compound and a preparation method therefor. Specifically disclosed is a method for preparing a compound of formula (II) and a crystal form thereof.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: March 7, 2023
    Assignee: ZHANGZHOU PIEN TZE HUANG PHARMACEUTICAL CO., LTD.
    Inventors: Zhiliang Chen, Zhiyi Luo, Yichao Zhuang, Jinxia Lin, Longhui Gao, Zhifei Fu, Miaorong Luo, Yang Zhang, Jian Li, Shuhui Chen
  • Crystal form as inhibitor of ACC1 and ACC2, and preparation method therefor and use thereof
    Patent number: 11578081
    Abstract: Disclosed are a crystal form (I) as an inhibitor of ACC1 and ACC2, a preparation method therefor, and the use thereof in the preparation of a drug as an inhibitor of ACC1 and ACC2.
    Type: Grant
    Filed: December 4, 2020
    Date of Patent: February 14, 2023
    Assignees: ZHANGZHOU PIEN TZE HUANG PHARMACEUTICAL CO., LTD., MEDSHINE DISCOVERY INC.
    Inventors: Fei Hong, Jinming Huang, Jinxia Lin, Yichao Zhuang, Zhiyi Luo, Xiaoping Zheng, Zhigan Jiang, Haiying He
  • CRYSTAL FORM AS INHIBITOR OF ACC1 AND ACC2, AND PREPARATION METHOD THEREFOR AND USE THEREOF
    Publication number: 20230034132
    Abstract: Disclosed are a crystal form (I) as an inhibitor of ACC1 and ACC2, a preparation method therefor, and the use thereof in the preparation of a drug as an inhibitor of ACC1 and ACC2.
    Type: Application
    Filed: December 4, 2020
    Publication date: February 2, 2023
    Applicants: ZHANGZHOU PIEN TZE HUANG PHARMACEUTICAL CO., LTD., MEDSHINE DISCOVERY INC.
    Inventors: Fei HONG, Jinming HUANG, Jinxia LIN, Yichao ZHUANG, Zhiyi LUO, Xiaoping ZHENG, Zhigan JIANG, Haiying HE
  • A CRYSTALLINE FORM AND B CRYSTALLINE FORM OF PYRAZINE-2(1H)-KETONE COMPOUND AND PREPARATION METHOD THEREOF
    Publication number: 20220315559
    Abstract: Provided are crystalline forms of pyrazine-2(1H)-ketone compound and a preparation method thereof; specifically disclosed are a method for preparing the compound of formula (II) and crystalline
    Type: Application
    Filed: August 4, 2020
    Publication date: October 6, 2022
    Inventors: Juan YU, Fei HONG, Tingting YIN, Zhiliang CHEN, Yichao ZHUANG, Zhifei FU, Miaorong LUO, Yang ZHANG, Jian LI, Shuhui CHEN
  • CRYSTAL FORM D OF PYRAZINE-2(1H)-KETONE COMPOUND AND PREPARATION METHOD THEREFOR
    Publication number: 20220281853
    Abstract: Disclosed are a crystal form of pyrazine-2(1H)-ketone compound and a preparation method therefor. Specifically disclosed is a method for preparing a compound of formula (II) and a crystal form thereof.
    Type: Application
    Filed: August 4, 2020
    Publication date: September 8, 2022
    Inventors: Zhiliang CHEN, Zhiyi LUO, Yichao ZHUANG, Jinxia LIN, Longhui GAO, Zhifei FU, Miaorong LUO, Yang ZHANG, Jian LI, Shuhui CHEN