Patents by Inventor Shanliang ZHU

Shanliang ZHU 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).

  • Crystals of quinolone derivatives
    Patent number: 12358891
    Abstract: The present application relates to the field of medicine, and relates to crystals of quinoline derivatives, and in particular, to crystals of a quinoline derivative anhydride and a solvate, as well as a method for preparing the crystals, pharmaceutical compositions containing the crystals, and a use thereof in the field of medicine. The present application further provides a preparation method therefor, which has a high yield, has mild crystallization conditions, is suitable for industrial production, and may better meet the needs of the pharmaceutical industry.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: July 15, 2025
    Assignee: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
    Inventors: Xiquan Zhang, Shanchun Wang, Wenjun Geng, Yanlong Liu, Huihui Zhang, Fei Liu, Shanliang Zhu, Xinlu Li, Rui Zhao, Hongmei Gu
  • CRYSTALS OF QUINOLONE DERIVATIVES
    Publication number: 20220098172
    Abstract: The present application relates to the field of medicine, and relates to crystals of quinoline derivatives, and in particular, to crystals of a quinoline derivative anhydride and a solvate, as well as a method for preparing the crystals, pharmaceutical compositions containing the crystals, and a use thereof in the field of medicine. The present application further provides a preparation method therefor, which has a high yield, has mild crystallization conditions, is suitable for industrial production, and may better meet the needs of the pharmaceutical industry.
    Type: Application
    Filed: July 31, 2020
    Publication date: March 31, 2022
    Applicant: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
    Inventors: Xiquan ZHANG, Shanchun WANG, Wenjun GENG, Yanlong LIU, Huihui ZHANG, Fei LIU, Shanliang ZHU, Xinlu LI, Rui ZHAO, Hongmei GU