Patents by Inventor Rixiang KONG

Rixiang KONG 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).

  • UTIDELONE SEMI-HYDRATED SINGLE CRYSTAL AND PREPARATION METHOD THEREFOR AND USE THEREOF
    Publication number: 20230041956
    Abstract: A polycrystal form of Utidelone, particularly relating to a semi-hydrated crystal form (A) of Utidelone, a preparation method therefor and a use of crystal Utidelone in preparation of a pharmaceutical composition, especially the use in preparation of a pharmaceutical composition for inhibiting tumor growth and treating solid tumors of mammals, especially human. The provided crystal form is stable and resistant to high temperature and high humidity, and the preparation method is diversified and simple, and is suitable for industrialized production of new medicines.
    Type: Application
    Filed: April 8, 2021
    Publication date: February 9, 2023
    Applicants: Beijing Biostar Pharmaceuticals Co., Ltd., Chengdu Biostar Pharmaceuticals, LTD.
    Inventors: Li TANG, Rixiang KONG, Rongguo QIU